关于高中中学英语精选作文写作技巧和语法的重难点

关于高中中学英语精选作文写作技巧和语法的重难

点

高中中学英语语法-三妙招帮你英语精选作文拿高分

三妙招帮你英语精选作文拿高分

书面表达评分规范“最高档”要求：“应用了较多的语法构造或词汇；语法构造或词汇方面有少许错误，但为尽力使用较复杂构造或较高级词汇所致；有效地使用了语句间的连接成分，使全文构造紧凑。”从历年书面表达高分文章来看，每篇文章都有“亮”点，即在用词、造句或段落安排上都有独到之处。

要想获得高分就应在“正确”表达的基础上写出自己的特色，写出自己的“亮”点。

一、词汇选择——独树一帜

在写作中“较高级词汇”的使用主要是指使用《大纲》上没有的词语、使用通过构词法变化来的新词、使用同（近）义词或反义词等来替代常见词语。

1）这栋房子在芳草街的一栋楼上。

Ａ：Ｔhe flat is in a building on Ｆangcao Ｓtreet.

Ｂ：Ｔhe flat situates in a building on Ｆangcao Ｓtreet.

分析：is in是常见词语，而situates in则是《大纲》上没有的，属于高级词汇。

2）在周末我们做很多作业。

Ａ：Ａt weekends，we have a lot of homework to do.

Ｂ：Ａt weekends，we have endless homework to do.

分析：Ｂ句在表达时没有使用过于直接的 a lot of，而是使用了endless.endless就是由《大纲》词汇end加后缀-less变化来的。

3）洗澡间和厨房都很好。

Ａ：Ｔhe bathroom and the kitchen are good.

Ｂ：Ｔhe bathroom and the kitchen are well-furnished.

在表达要点时，Ｂ句使用了well furnished，这比good语气强，也显得生动。

在造句时，“较高级词汇”如能运用贴切自然，哪怕整篇文章只用上一个，也会使你的精选作文显示出与众不同。

二、构造造句——与众不同

在造句时，既要使句子生动，又要使其简明扼要。

⑴使用与人不同的表达方式，特别是倡导打破汉语句子构造的束缚而重组的句子更受欢迎。

1）唐山曾在二十世纪八十年代发生过一次大地震。

Ａ：Ｔhere was a strong earthquake in Ｔangshan in the 1980s.

Ｂ：Ａ terrible earthquake hit/struck Ｔangshan in the 1980s.

大多数同学使用了there be构造，这是对的，但是Ｂ句却摒弃了常见句式。另辟蹊径而使用了“主语+谓语+宾语”构造，且使用了terrible，hit/strike这样的词汇，更是难能可贵的。

2）你八月十五日的来信我今天早晨收到了。

Ａ：Ｉ received your letter which was written on Ａugust 15th this morning.（多数人使用的方式）

Ｂ：Ｙour letter of Ａugust 15th reached/ got to me this morning.（与多数人使用的方式不同，简洁）

2.使用一些强势句式，如强调句、感慨句、倒装句等，增强语句的表现力。如：

3）阿福救了我妹妹。

Ａ：Ａh Ｆu saved my sister.（一般句式）

Ｂ：Ｉt was Ａh Ｆu that saved my sister.（强调句式）

4）我们看到庄稼和蔬菜长势喜人很是快乐。

Ａ：Ｗe were glad to see crops and vegetables growing well.（一般陈述句）

Ｂ：Ｈow glad we were to see crops and vegetables growing well.（感慨句）

⑶句式多样，复杂得体。在写作中应避免使用相同长度的相同句型，而应注意句式的变化，如长短句结合，简单句、并列句与复合句共用，还可使用简化句等；一些较复杂的构造如独立主格，分词构造等也可使用。下面的表达中Ａ句简单句多，而且多处使用there be 构造，显得单调、乏味，而Ｂ句就有自己的特色（请同学们自己分析）。

5）这是一套25平方米的住房，住房里面有卧室、有洗澡间、有厨房；卧室里有床、沙发、桌子和椅子等。

Ａ：Ｉt's a flat of 25 square metres. Ｔhere is a bedroom in the flat. Ｔhere is a bathroom and a kitchen in it，too. Ｉn the bedroom，there is a bed； there is a sofa，a desk and a chair as well.

Ｂ：Ｉt's a flat of 25 square metres，with a bedroom，a bathroom and a kitchen. Ｉn the bedroom there is a bed，a sofa，

a desk and a chair.

三、布局谋篇——独具匠心

在写作中，我们可按时间、空间或其它逻辑顺序来安排各要点，同时为使主习题突出，构造严谨，我们应注意学习和使用交代句以及段落的主习题句等。在布局谋篇上，高考范文格式堪称典范。请看：Ｏpinions are divided on the question.

60% of the students are against the idea of entrance fees. Ｔhey believe a public park should be free of charge. Ｐeople need a place where they can rest and enjoy themselves. Ｃharging entrance fees will no doubt keep some people away. Ｗhat is more，it will become necessary to build gates and walls，which will do harm to the appearance of a city.

Ｏn the other hand，40% think that fees should be charged because you need money to pay gardens and other workers，and to buy plants and young trees. Ｔhey suggested，however，fees should be charged low.

1）该文使用Ｏpinions are divided…作交代句，开门见山，随后两个段落均使用了主习题句，使全文构造紧凑，表达严谨。

2）在表述要点时范文格式还对要点出场顺序作了调整，如“40%的同学认为应收门票，但不宜过高。”前部分作为主习题句放在句首，而后部分另起一句放在句末：Ｔhey suggested，however，fees should be charged low.这样就分清了轻重缓急，主习题突出，层次清楚。

3）范文格式使用了and，what is more，however等连词，在段落之间使用了on the other hand（说明前后两个观点是相悖的），这些连接手段的运用加强了句子之间、段落之间的联络，使文章表达连接，天衣无缝。

4）范文格式在第二段为说明不收门票的“原因”时增加了Ｃharging entrance fees will no doubt keep some people away.等细节，这也是解决句与句之间缺少连接性的常见方法。

总之，要想使自己的文章有亮点，吸引读者，在考试中获得高分，就应在用词、造句、谋篇上下功夫，哪怕是有一处特长都是“亮”点，都是值得肯定的。

高中中学英语语法-高中中学英语语法重点难点回忆之一

高中中学英语语法重点难点回忆之一

little,no,some, 等修饰。

Ｉ have read all the book (that) you gave me.

4)先行词被 the only, the very, the same, the last 修饰时。

Ｈe is the only person that Ｉ want to talk to.

5)先行词既有人又有物时。Ｔhey talked of things and persons that they remembered in the school.

先行词是表示地点时,要根据从句的谓语动词是及物的还是不及物的。假如是及物的就用that(which),否则用where。

Ｔhis is the house where he lived last year.

Ｔhis is the house that (which) he visited last year.

用no sooner…than和hardly…when引导的从句表示“刚……就……”。主句中的动词一般用过去完成时,从句用过去时;而且主句一般倒装,把助动词had提到前面。例如：Ｈardly had Ｉ entered the room when Ｉ heard a loud noise.

代词作主语时,主谓语序不变。Ｈere it is. Ｈere he comes.

当句首状语为表示地点的介词词组时也常常引起全部倒装。

Ｓouth of the city lies a big steel factory.

Ｆrom the valley came a frightening sound.

表语置于句首时,倒装构造为“表语+连系动词+主语”。

Ｐresent at the meeting were Ｐrofessor Ｗhite,Ｐrofessor Ｓmith and many other guests.

Ｇone are the days when they could do what they liked to the Ｃhinese people.

Ａmong the goods are Ｃhristmas trees, flowers, candles and toys.

Ｈe has been to Ｂeijing. Ｓo have Ｉ.

Ｌi Ｗei can’t answer the question. Ｎeither can Ｉ.

部分倒装

用于省略if的虚拟条件状语从句。Ｈad you reviewed your lessons,you might have passed the examination.

3.用于“形容词(或名词、动词)+as(though)引导的让步状语从句中。例如：Ｐretty as she is ,she is not clever.

Ｔry as he would, he might fail again.

假如从句的表语是名词,其名词前不加任何冠词。

Ｃhild as he was, he had to make a living.

用于no sooner…than…,hardly…when和not until的句型中。Ｎot until the teacher came did he finish his homework.

用于never,hardly,seldom,scarcely, barely, little,often,at no time,not only,not once等词开头的句子。

Ｎever shall Ｉ do this again.

Ｌittle did he know who the woman was.

6.用于以only开头的句子(only修饰副词,介词短语或状语从句时)。Ｏnly this afternoon did Ｉ finish the novel.

Ｏnly in this way can you master Ｅnglish.

Ｏnly when he told me did Ｉ realize what trouble he was in.

假如only后面的词组不是状语,则不用倒装。

Ｏnly Ｗang Ｌing knows this.

用于某些表示祝愿的句子。Ｍay you succeed!祝你成功!

stomach－stomachs，a Ｇerman－three Ｇermans,

an Ａmerican－two Ａmericans，man cook - men cooks;

papers 报纸, 文件 manners礼貌 drinks饮料

in a word 简言之?in other words 换句话说

have words with 与某人吵嘴

have a few words (a word) with sb.与某人说几句话

Ｔhe crowd were running for their lives．

某些集体名词, 如people, police, cattle等, 只当复数对待, 谓语动词必须用复数。Ｔhe police are searching for him.

高中中学英语语法-高中中学英语语法重点难点回忆之二

高中中学英语语法重点难点回忆之二

d that sh

e (should) stay in bed for a few days.

Ｈe demanded that we (should) start right away.

作advice,idea,order,demand,plan,proposal,suggestion,request等名词的表语从句和同位语从句,其谓语动词要用虚拟语气的构造“(should)＋动词原形”。例如：Ｗe all agreed to his suggestion that we(should) go to Ｂeijing for sightseeing.

Ｍy idea is that we (should) do exercises first.

在feel, hear, notice, observe, see, watch, have, let, make 等词后的补足语中,不定式不带to。但是这些句子假如变成被动构造

时,就必须带to。例如：Ｉ often hear him sing the song.

Ｈe is often heard to sing the song.

注意：不定式动词在介词but, except, besides后面时,假如这些介词之前有行为动词do的各种形式,那么,这些介词后的不定式不带to,否则要带to.如：

Ｓhe could do nothing but cry.

Ｗhat do you like to do besides swim?

Ｉ have no choice but to go.

作定语的不定式假如是不及物动词,或者不定式所修饰的名词或代词是不定式动作的地点、工具等,不定式后面须有相应的介词。例如：Ｈe is looking for a room to live in.

Ｔhere is nothing to worry about.

Ｐlease give me a knife to cut with.

Ｔhere / Ｉt is no use/ good/ not any use/ good/ useless doing sth.

动词后可以用动名词作宾语,但不能用不定式:

admit,appreciate, avoid, consider, delay, enjoy, escape, excuse, feel like, finish, forgive, give up, imagine, include, keep, mention,mind,miss,practise, put off, resist, risk, suggest, can’t help, can’t stand(无法忍受)等。

Ｉ tried not to go there.(我设法不去那里。)

Ｉ tried doing it again.(我试着又干了一次。)]

mean to do 有意... mean doing意味着...

Ｉ mean to come early today.(我打算今天早些来。)

Ｍissing the train means waiting for another hour.

(误了这趟火车意味着再等一个小时。)

allow, advise, forbid, permit

Ｗe don’t allow smoking here. Ｗe don’t allow students to smoke.

动词need,require,want作“需要”解,其后跟动词作它的宾语时,若表示的含义是被动的,必须用动名词,或不定式的被动式。例如：Ｔhe window needs(requires, wants)cleaning(to be cleaned).

在短语devote to, look forward to, pay attention to, stick to, be used to, object to,thank you for, excuse me for 等后的动词也必须用动名词形式：Ｉ look forward to hearing from you soon.

Ｂadly polluted, the water cannot be drunk.(原因)

Ｂeing written in haste, the composition is full of mistakes.

(原因,强调写的过程,故应用现在分词一般被动式)

Ｈaving been deserted by his guide, he couldn’t find his way through the jungle.(为了强调已完成的动作)

Ａsked to stay, Ｉ couldn’t very well refuse.

这里 asked 可能意味着 having been asked, 也可能意味着

when/since Ｉ was asked, 但用了 having been asked 就不会有歧义。

下面句中过去分词表示的时间与谓语动词所表示的时间相同，所以不能代之以强调先于谓语动词的现在分词完成被动式。例如：Ｃovered with confusion, Ｉ left the room.我很窘地离开了房间。

Ｕnited, we stand; divided, we fall. 团结则存，分裂则亡。

Ｈe used to live in Ｌondon, use(d)n’t he /didn’t he?

Ｔhere used to be a cinema here before the war, use(d)n’t there /didn’t there?

Ｓuch things ought not to be allowed, ought they?

Ｈe ought to be punished, oughtn’t he?

但在正式文体中,用ought we not形式。例如:

Ｗe ought to go, ought we not?或Ｗe ought to go ,should we not?

含有情态动词must的句子表示推则,作“想必”解时,疑问部分不可用mustn’t。若前句强调对现在情况的推测,疑问部分用aren’t(isn’t)十主语,例如：Ｙou must be tired,aren’t you?若陈述部分的must表示“有须要”时,附加疑问句部分则用needn’t。例如：Ｙou must go home right now, needn’t you?

当mustn’t 表示禁止时,附加疑问部分一般用must。如：

Ｙou mustn’t walk on grass, must you?

前句谓语动词是must have＋过去分词时,若前句强调对过去情况的推测(一般有过去时间状语),疑问部分的谓语动词用didn’t＋主语;若前句强调动作的完成,疑问部分的谓语动词用haven’t(hasn’t)＋主语, 例如：

Ｈe must have met her yesterday, didn’t he?

Ｙou must have seen the film, haven’t you?

陈述句谓语部分出现否定词缀时(前缀或后缀),疑问部分仍用否定构造。例如:Ｈe is unfit for his office, isn’t he?

假如陈述部分包含有no, never, hardly, seldom, few, little,nowhere, nothing等否定或半否定词时,疑问部分用肯定形式。例如：Ｈe is hardly 14 years old,is he?

假如陈述部分的主语为everyone,someone,no one等不定代词,其疑问部分的主语可用he,也可用they。

Ｅveryone knows his job, doesn’t he?

Ｅveryone knows their job,don’t they?

Ｎo one was hurt,were they?

Ｉ’m late, aren’t Ｉ?

Ｏne can’t be too careful,can one(you)?

Ｈave a cup of tea, will you?

Ｌet’s go there,shall we? Ｌet us go there,will you?

同位语从句跟在名词后面,进一步说明该名词的详细内容。引导同位语从句的名词主要有fact, news, promise, idea, truth等。

连接词用that (不用which)及连接副词how, when, where, why等。例如：

Ｈis delay is due to the fact that the car went wrong halfway.

Ｔhe news that our team has won the match is true.

Ｓhe asked the reason why there was a delay.

关联词只能用whether不能用if表示“是否”的情况如下:

Ａ)在表语从句和同位语从句中。例如：

Ｔhe question is whether the film is worth seeing.

Ｔhe news whether our team has won the match is unknown.

Ｂ)在主语从句中,只有用it作形式主语时,whether和if都能引导主语从句,否则,也只能用whether。例如：

Ｗhether we shall attend the meeting hasn’t been decided yet.

Ｉt hasn’t been decided whether(if)we shall attend the meeting.

Ｃ)在介词之后。(介词往往可以省略)例如：

Ｉt all depends (on) whether they will support us.

Ｄ)后面直接跟动词不定式时。

Ｈe doesn’t know whether to stay or not.

Ｅ)后面紧接or not 时。

Ｗe didn’t know whether or not she was ready.

Ｆ)引导让步状语从句,只能用whether。

Ｗhether you like it or not, you must do it well.

Ｇ)用if会引起歧义时。例如：Ｐlease let me know if you like it.

该句有两个意思：“请告诉我你是否喜欢”。

或“假如你喜欢,请告诉我。”用了whether就可以避免。

在下面几种情况下必须用“that”引导定语从句：

1)先行词是不定代词：all,few,little, much,something,nothing,anything等。Ａll that we have to do is to practise every day.

2)先行词被序数词或形容词最高级所修饰。

Ｔhe first lesson that Ｉ learned will never be forgotten.

3)先行词被all,any,every, each, few,

高中中学英语语法-高中中学英语语法重点难点回忆之三

高中中学英语语法重点难点回忆之三

主谓一致常考难习题：

Ｆive minutes is enough to do this exercise．

Ｅach boy and each girl wants to serve the people in future．Ｍore than one student has seen the film.

Ｍany a ship has been damaged in the storm.

Ｍore members than one are against your plan.

一些有两个部分构成的名词表示衣物或工具作主语时, 谓语通常用复数形式：glasses, clothes, trousers, shoes, compasses,

chopsticks, scissors等。

但假如主语用a kind of , a pair of , a series of等加名词构成时, 谓语动词一般用单数形式。Ａ pair of shoes was on the desk．

并列主语假如指的是同一个人、同一事物或同一概念时, 谓语动词用单数形式, 这时and后面的名词没有冠词。例如:

Ｔruth and honesty is the best policy．

Ｔhe girl’s teacher and friend is a young doctor．

Ｔo love and to be loved is the great happiness.

Ｇoing to bed early and getting up early is a good habit.

Ａ knife and fork is on the table.

当主语后面跟有as well as, as much as , no less than, along with, with, like, rather than, together with, but, except, besides, including, in addition to等引导的词组时, 其谓语动词的单、复数按主语的单、复数而定。例如:

Ｔhe teacher as well as the students was excited．

Ｔhe room with its furniture was rented．

Ａ (great) number of修饰可数复数名词, 谓语动词用复数; a great deal of,a large amount of 修饰不可数名词, 其短语作主语时, 谓语动词用单数。

关系代词who, that, which等在定语从句中作主语时, 其谓语动词的数应与句中先行词的数一致。例如:

Ｔhose who want to go please sign your names here．

Ｓome of the energy that is used by man comes from the sun．季节、月份、星期、节日、假日、一日三餐、学科名称，球类、棋类名词名称前一般不加冠词。

1/2 one(a) half 1/4 one(a) quarter

形容词的顺序：

系动词be，grow，get，become，feel，appear，prove，seem，look，keep，smell，taste，sound，turn，remain限定词+数量形容词(序数词在前，基数词在后)+性状形容词+大小、长短、高低等形体+新旧+颜色+国藉+材料

Ｔhose three beautiful large square old brown wood table 某些以a-开首的形容词例如：afraid，alike，alone，asleep，awake, alive 等只能作表语,不能作定语。

某些以-ly结尾的词是形容词而不是副词：friendly，lively，lovely，lonely，likely，deadly，silly，orderly, timely等。

1)close接近地 closely认真地，亲密地

2)free 免费地 freely自由地,无拘谨地

3)hard努力地 hardly几乎不

4)late 晚，迟 lately 近来

5)most 极,非常 mostly主要地

6)wide广阔地，充分地 widely广泛地

7)high高 highly高度地，非常地

8)deep深，迟 deeply抽象意义的“深”

9)loud大声地 loudly大声地(含有喧闹的意思)

10)near邻近 nearly几乎

bad/ill,badly worse worst little less least

表示一方不及另一方时，用“less＋原级＋than”的构造表示：Ｔhis room is less beautiful than that one．

表示一方超过另一方的程度或数量时，可在比较级前加表示程度的状语，如：even，a lot，a bit，a little，still，much，far, yet, by far等修饰：Ｈe works even harder than before．注意:by far 通常用于强调最高级。用于比较级时,一般放在比较级的后面, 如放在前面,应在二者中间加“the”。

Ｈe is taller by far than his brother.

Ｈe is by far the taller of the two brothers.

某些以-or结尾的形容词进行比较时，用to替代than。superior，junior，senior等。

Ｈe is superior to Ｍr Ｗang in mathematics．

在比较从句中为了避免反复通常用that(those)，one(ones)替代前面出现的名词。that指物，one既可指人，也可指物。that可替代可数名词单数和不可数名词，而one只能替代可数名词。例如：Ｔhe book on the table is more interesting than that on the desk．

Ａ box made of iron is stronger than one made of wood．

表示倍数的比较级有如下几种句型:

Ａ is three (four,etc.) times the size (height, length, width,etc) of Ｂ.

Ｔhe new building is four times the size (the height) of the old one.

这座新楼是那座旧楼的四倍大(四倍高)。［高三倍］

Ａ is three (four, etc.) times as big (high, long, wide, etc.) as Ｂ.

Ａsia is four times as large as Ｅurope.亚洲是欧洲的四倍大。

Ａ is three (four,etc.) times bigger (higher, longer, wider) than Ｂ.

例如:Ｙour school is three times bigger than ours.

你们的学校比我们的学校大三倍。

表示两倍可以用 twice 或 double。

表示“最高程度”的形容词，如excellent，extreme，perfect 等，没有最高级，也不能用比较级。

假如复数名词前有many、few，不可数名词前有much、little 等表示量的形容词时，该用so而不用such。如：

Ｉ’ve had so many falls that Ｉ’m black and blue all over.

Ｍr Ｗhite got so little money a month that he could hardly keep body and soul together.

但little不表示数量而表示“小”的意思时,仍用such。如: Ｔhey are such little children that the they cannot clean the house by themselves.

6)almost与nearly

在very, pretty, not后用nearly, 不用almost。例如：

Ｉ’m not nearly ready.

在any, no, none, never前用almost, 不用nearly。例如：

Ｉ almost never see her.

need 表示“需要”或“必须”,作情态动词时,仅用于否定句或疑问句中。在肯定句中一般用must, have to, ought to或should 替代。例如：

Ｙou needn’t come so early.

Ｎeed Ｉ finish the work today? －－Ｙes, you must.

注意：needn’t have done“表示本来没必要做某事而实际上做了某事”。例如：Ｙou needn’t have waited for me.

“should have done”表示应该做到而实际上没有做到。

Ｙou should have started earlier.

“ought to have done”表示过去应做某事而实际未做。

Ｙou ought to have helped him (but you didn’t)

书报的题目,小说等情节介绍常用一般现在时。

表示感觉,愿望和状态的某些动词如have, be, hear, see, like 等词一般不用进行时。

有些动词形式上是主动构造,但表示被动的意思。常见的有可和well, easily 等副词连用的不及物动词sell,wash,write,read,clean,cook等。例如：

Ｔhe cloth washes well.这布很经洗。

Ｔhe new product sells well.这新产品很畅销。

Ｔhe pen writes well.这支笔很好写。

在动词arrange,command, demand, desire,insist, order,propose, request, require, suggest等后面的宾语从句中用“(should)＋动词原形”(虚拟语气)例如：

Ｗe suggested that we (should) have a meeting.

Ｗe insisted that they (should) go with us.

Ｔhe doctor ordere

高中中学英语语法-高中中学英语语法讲义5

高中中学英语语法讲义5

高考高频难词

1.alter v. 改变,改动,变更

2.burst vi.n. 突然发生,爆裂

3.dispose vi. 除掉;处置;解决;处理(of)

4.blast n. 爆炸;气流 vi. 炸,炸掉

5.consume v. 消耗,耗尽

6.split v. 劈开;割裂;分裂 a.裂开的

7.spit v. 吐(唾液等);鄙弃

初中数学难点去绝对值符号

带绝对值符号的运算 在初中数学教学中，如何去掉绝对值符号？因为这一问题看似简单，所以往往容易被人们忽视。其实它既是初中数学教学的一个重点，也是初中数学教学的一个难点，还是学生容易搞错的问题。那么，如何去掉绝对值符号呢？我认为应从以下几个方面着手： 一、要理解数a的绝对值的定义。在中学数学教科书中，数a的绝对值是这样定义的，“在数轴上，表示数a的点到原点的距离叫做数a的绝对值。”学习这个定义应让学生理解，数a的绝对值所表示的是一段距离，那么，不论数a本身是正数还是负数，它的绝对值都应该是一个非负数。 二、要弄清楚怎样去求数a的绝对值。从数a的绝对值的定义可知，一个正数的绝对值肯定是它的本身，一个负数的绝对值必定是它的相反数，零的绝对值就是零。在这里要让学生重点理解的是，当a是一个负数时，怎样去表示a的相反数（可表示为“-a”），以及绝对值符号的双重作用（一是非负的作用，二是括号的作用）。 三、掌握初中数学常见去掉绝对值符号的几种题型。 1、对于形如︱a︱的一类问题 只要根据绝对值的3个性质，判断出a的3种情况，便能快速去掉绝对值符号。 当a>0时，︱a︱=a(性质1：正数的绝对值是它本身)； 当a=0 时︱a︱=0(性质2：0的绝对值是0) ； 当a<0 时；︱a︱=–a (性质3：负数的绝对值是它的相反数) 。 2、对于形如︱a+b︱的一类问题 首先要把a+b看作是一个整体，再判断a+b的3种情况，根据绝对值的3个性质，便能快速去掉绝对值符号进行化简。 当a+b>0时，︱a+b︱=(a+b) =a +b(性质1：正数的绝对值是它本身)； 当a+b=0 时，︱a+b︱=(a+b) =0(性质2：0的绝对值是0)； 当a+b<0 时，︱a+b︱=–(a+b)=–a-b (性质3：负数的绝对值是它的相反数)。 3、对于形如︱a-b︱的一类问题 同样，仍然要把a-b看作一个整体，判断出a-b 的3种情况，根据绝对值的3个性质，去掉绝对值符号进行化简。 但在去括号时最容易出现错误。如何快速去掉绝对值符号，条件非常简单，只要你能判断出a与b的大小即可（不论正负）。因为︱大-小︱=︱小-大︱=大-小，所以当a>b时，︱a-b︱=（a-b）= a-b，︱b-a︱=（a-b）= a-b 。 口诀：无论是大减小，还是小减大，去掉绝对值，都是大减小。 4、对于数轴型的一类问题， 根据3的口诀来化简，更快捷有效。如︱a-b︱的一类问题，只要判断出a在b的右边（不论正负），便可得到︱a-b︱=（a-b）=a-b，︱b-a︱=（a-b）=a-b 。（都是大的数a减去小的数b ） 5、对于绝对值符号前有正、负号的运算 非常简单，去掉绝对值符号的同时，不要忘记打括号。前面是正号的无所谓，如果是负号，忘记打括号就惨了，差之毫厘失之千里也！

高中英语语法易错题专题复习练习

高中英语语法易错题专题复习练习 1. My uncle bought me ___ MP4 as my birthday present yesterday. A. an B. a C. the D. / 【答案】A 【解析】此题题意为“叔叔昨天给我买了一个MP4 作为生日礼物”，故答案在A 和B 中选择，MP4 的首字母M 发音为元音，和首字母M 是辅音没有关系，故答案为A。 2. We decided to buy the flat because there was ____ underground station within walking distance and we could both take ___ underground to work. A. a, an B. an, an C. the, \ D. an, the 【答案】D 【解析】此题第一个空根据句意判断有一个地铁站，又根据underground 的发音 判断首字母发元音，故答案为an；第二个空考查乘地铁的两种说法by underground & take an underground，但是此处考查的是特指乘公寓附近的这个地铁去上班， 故要填the，综合两空答案为D 3. Gold is similar __ color ___ brass（黄铜）.

A. in, with B. in, to C. of, with D. of, to 【答案】B 【解析】此题考查similar 的搭配， A be similar to B ，相似于 A be the same with B，有一定混淆性，另外表达在某方面相似，搭配介词in，故答案为B。 4. What a dangerous scene! A car has missed the boy playing on the roadside __ only an inch. A. within B. for C. by D. at 【答案】C 【解析】本题题意为“一辆车差一点撞到那个在路边玩耍的男孩”，容易误导学生错选 A ，表示在一英寸以内，而真实意思是差一英尺，在英语中表示增长、降低、或者差距的正确表达是by+数字，故答案为C。 5. The girl has some balloons in her hand. One is red, ___ are yellow. A. others B. another C. the other D. the rest 【答案】D 【解析】此题题意为“那个女孩手上有一些气球，一个是红色的，其余的是黄色

高中英语作文万能简洁句式

一、关于求助信的写作 1、开头——表达写信目的 ⑴I am writing to you for some help. ⑵I am writing a letter to you to get some help about ⑶I wonder if you could do sth for me 2、中间——遇到困难 ⑴I have met difficulty in dong sth/with sth 3、最后——交待联系方式 You may email or phone me. Here are my email address and phone number: 二、关于申请信、求职信的写作 1、开头——表达对这个工作、项目感兴趣 I have learned from the newspaper/Internet that your company wanted a (teacher), and I am interested in it. 2、中间——介绍自己的优势 ⑴For the last 7 years, I have been learning English. I have been in the company, where I work as a teacher. ⑵I am sure that I have all the right qualifications for the job . 3、结尾——若被聘用的喜悦之情 ⑴I do hope I will be accepted as a member of your company. ⑵I would be glad to have a personal interview , and can provide references if needed. 三、关于邀请信的写作 1、开头——邀请别人 I am writing to you to invite you to be a major/my party. If you did , I would be glad. 2、结尾——再次表达希望之情 I hope that you will accept my invitation if it is convenient for you. 四、关于看图说话的写作 1、开头——表述图示 ⑴As is apparently shown in the picture /cartoon /chart above, ⑵The picture tells us about a abj story/principle that 从句. 2、最后——发表观点 As far as I am concerned, sth is/should be 五、关于议论文的写作 1、开头——提出问题 ⑴As for the (health life), different people have different opinions. ⑵People ’s view on it vary from person to person. 2、中间——不同观点 ⑴70% of the people who were surveyed are satisfied with the first opinion. ⑵There are some people thinking that从句.

高中英语语法重点难点回顾

高中英语语法重点难点回顾 ?主谓一致常考难题： Five minuｔes iｓ enougｈｔo do this exerｃise．?Ｅａch boy anｄ each girl ｗants to servｅｔｈe people ｉn fuｔuｒe.?More thａn one stｕｄｅnt haｓ se ｅn ｔhe film. ?Mａny a ship has been daｍageｄ in tｈｅ stoｒm.?More members than ｏnｅａre against yoｕr ｐlaｎ.?一些有两个部分构成的名词表示衣物或工具作主语时，谓语通常用复数形式：gｌasseｓ, cｌoｔheｓ, troｕｓers，ｓhoes, comｐasse ｓ， chｏpsticks, ｓciｓsors等。 但如果主语用a kｉnd oｆ, ａｐaiｒ oｆ， a series of等加名词构成时, 谓语动词一般用单数形式。A ｐair ｏｆ sｈoes was on tｈe desk． 并列主语如果指的是同一个人、同一事物或同一概念时, 谓语动词用单数形式, 这时ａnd 后面的名词没有冠词。例如： Trutｈａnd hｏnｅsty is tｈｅ best poliｃy.?The girl’ｓteacｈer ａnd fri ｅｎｄ iｓ a ｙoｕnｇ doctor. To lovｅ and tｏｂｅｌｏveｄ is thｅ gｒeat hａｐpiness.?Goinｇｔo ｂeｄe ａrlｙａnd getｔｉng ｕp earlｙｉｓ a gooｄｈａｂit．?A knifｅanｄf ｏrk ｉs oｎｔｈｅtablｅ. 当主语后面跟有ａs wｅlｌａs, aｓｍuch ａｓ , no ｌess than, alonｇwith， w ｉｔｈ，ｌike, rａthｅr than, ｔogetheｒ witｈ, but, eｘceｐt, ｂesｉdes，ｉｎcｌuding, ｉn ａddiｔion ｔo等引导的词组时, 其谓语动词的单、复数按主语的单、复数而定。例如: The ｔeaｃheｒａs wｅll as ｔｈe studeｎts ｗas exciｔed.?Tｈe room with its furnitｕｒe was reｎtｅd.?Ａ (grｅａt）ｎumber ｏf修饰可数复数名词, 谓语动词用复数; a gｒeat deal of,a largｅａmount of 修饰不可数名词, 其短语作主语时，谓语动词用单数。 关系代词wｈｏ, that, ｗhicｈ等在定语从句中作主语时, 其谓语动词的数应与句中先行词的数一致。例如： Ｔhｏse whｏ want ｔo go pｌease sign youｒ namｅs here. Somｅ oｆ the eｎｅｒgｙ thａt ｉs used by man cｏmｅs fｒom thｅｓun． 季节、月份、星期、节日、假日、一日三餐、学科名称,球类、棋类名词名称前一般不加冠1/2 one(a）hａlf 1/4 one(ａ）ｑuarter 词。? 形容词的顺序: 系动词be，grow，get，becoｍｅ，fｅel，appear,provｅ,ｓeｅm,look,ｋeep，smell，t ａste,soｕnd,ｔurn,remaｉn限定词+数量形容词(序数词在前,基数词在后)+性状形容词＋大小、长短、高低等形体+新旧+颜色+国藉+材料?Tｈoｓe tｈree beautiｆul laｒｇe squ ａｒe oｌd bｒｏwn wooｄtaｂｌe?某些以a－开首的形容词例如:ａｆraｉｄ,ａliｋe，alone，asｌｅeｐ，awake, alive 等只能作表语,不能作定语。 某些以－ly结尾的词是形容词而不是副词：fｒiｅｎdｌy，liｖｅlｙ, loveｌy，lｏnely，likely,dｅadｌy,siｌｌｙ，orderlｙ, ｔimely等。?1）close接近地 clｏseｌy仔细地,密切地?2）ｆｒeｅ免费地ｆreｅly自由地,无拘束地 3)harｄ努力地 hardlｙ几乎不 4)lａte 晚，迟lately 近来?5)most 极，非常ｍostｌy主要地?6）widｅ广阔地，充分地 wideｌy广泛地?７)ｈiｇｈ高 hｉghｌy高度地,非常地 ８)deｅp深,迟 deeｐｌy抽象意义的“深”

数轴、绝对值、相反数重难点研习

数轴绝对值、相反数重难点研习 一、教材知识研习 研习点1 数轴的概念 （1）规定了原点、正方向和单位长度的直线叫做数轴． 这里包含两个内容：一是数轴的三要素：原点、正方向、单位长度缺一不可．二是这三个要素都是规定的． （2）数轴能形象地表示数，所有的有理数都可用数轴上的点表示，但数轴上的点所表示的数并不都是有理数． 【梳理总结】首先，要理解数轴的概念．规定了原点、正方向和单位长度的直线叫数轴．它包含三层涵义：一是数轴是一条直线，可以向两端无限伸展．二是数轴有三要素：原点、正方向、单位长度，三者缺一不可．三是原点：原点是数轴上有特殊意义的点，它相当于温度计的零刻线；正方向及单位长度是根据实际需要“规定”的，正方向一般地规定为向右的方向；单位长度可视具体情况而定，但要注意单位长度和长度单位是两个不同的概念，前者是指所取度量单位的长度，而后者是指度量的单位的名称（米、分米、厘米等），这就是说单位长度是一条人为规定的代表“１”的线段，这条线段可长可短，按实际情况而定．典例1下列各图中，表示数轴的是( ) [研析]画数轴时，数轴的三要素——原点、正方向、单位长度是缺一不可的，所以应当用这三要素检查每个图形，判断是否画的正确． 解A图没有指明正方向； B图中，1和-1表示的一个单位长度不相等，在同一数轴上，单位长度必须一致； C图中没有原点； D图中三要素齐全． ∴A、B、C三个图画的都不是数轴，只有D图画的是数轴． 研习点2 数轴的画法 画法：①画一条直线（一般水平放置），在这条直线上任取一点作原点，用这点表示0。 ②规定直线上从原点向右为正方向（箭头所指方向），那么相反的方向，即从原点向左为负方向。 ③选取适当的长度作为单位长度，在直线上从原点向右，每隔一个单位长度取一点，依次表示1、2、3…，从原点向左，每隔一个单位长度取一点，依次表示-1、-2、-3… -4 -3 -2 -1 0 1 2 3 4

高中英语语法易错题训练含答案

易错题训练（一） 1.You can't expect your brain to do its best _______ you take care of it. A.when B.if C.until D.unless 2._________it is personal conversation or a huge speech,the point of communication is to make ourselves understood. A.Wether B.Weather C.If D.Either 3.You can develop good habits,and you can _____any bad ones you may already have. A.break B.form C.correct D.change 4.---What time does the first train to Beijing leaves? ----Just a minute.I'm just _________. A.staring up B.looking up C.calling up D.picking up 5.Even if you are on the right track,you'll get _________ if you just sit there. A.running over B.run over C.to run over D.to be running over 6.You should______ like a man of action and _____like a man of thought. A.act;act B.think;think C.think;act D.act;think 7.People don't have bad memories.They have perfect memories.They just have a poor system for ____ what is already there. A.explaining B.accessing C.possessing D.storing 8.There is now global competition for growth,which means the US has to constantly ask itself what other countries are doing well and ______. A.what it might adapt B.how it might adapt C.what it might adopt D.how it might adopt 9.You wouldn't expect a car____ well if you left it in the garage for twenty years and then tried____it. A.to function;driving B.functioning;to drive C.functioning;driving D.to function;to drive 10.I_____ you to put your best effort into everything you do. A.praise B.suggest C.hope D.expect 11.We all perform ________ if we are comfortable with our surroundings. A.good B.better C.best D.poorly 12.----Tom,will you be at the party tonight? ---Yes,but I have so much homework to do that I really____. A.can't B.mustn't C.won't D.shouldn't 13.---I hear ______ boys in your school like playing basketball after school. ---Yes, they are sporty. A.quite a lot B.quite a bit C.quite a little D.quite a few 14.---Helen,will you be at the party tonight? ---Yes,they ate sporty. A.can't B.mustn't C.won't D.shouldn't 15.When you learn English ,you need to choose which accent to _____,American or British. A.adopt B.adapt C.attach D.approve 答案：DAABB CBBDD BDDDA

高考英语作文高分必备的30个常用句子

高考英语作文高分必备的30个常用句子 怎样才能提高英语写作能力呢?方法是多种多样的，但最重要的是夯 实学生的语言基本功，打好坚实的基础。语言的基本功在写作教学中体现为 准确应用词汇和正确使用句型结构的能力，语句的组织衔接和谋篇布局的能 力，高考在即，小编为大家总结了高考英语作文高分必备的30个常用句子， 希望各位能够有所收获，一鼓作气，拿下高考! 高考英语作文高分必备的30个常用句子 https://www.wendangku.net/doc/6e6464740.html,lionsofpeoplehavetospendmoretimeandenergyonstudyingnewskillsandtechnol ogysothattheycankeepafavorablepositioninjobmarket.成千上万的人们不得不花费 更多的精力和时间学习新的技术和知识，使得他们在就业市场能保持优势。 2.Accordingtoarecentsurvey,agrowingnumberofpeopleexpressastrongdesiretotakea notherjoborspendmoretimeontheirjobinordertogetmoremoneytosupporttheirfamily. 根据最近的一项调查，越来越多的人表达了想从事另外的工作或加班以赚取 更多的钱来补贴家用的强烈愿望。 3.Fromwhathasbeendiscussedabove,Iamfullyconvincedthattheleisurelife- styleisundergoingadeclinewiththeprogressofmodernsociety,itisnotnecessaryabadthi ng.通过以上讨论，我完全相信，随着现代社会的进步，幽闲的生活方式正在 消失并不是件坏事。 4.Theproblemofinternationaltourismhascausedwidepublicconcernovertherecentyear s.近些年，国际旅游的问题引起了广泛关注。 5.Manypeoplebelievethatinternationaltourismproducepositiveeffectsoneconomicgro wthandlocalgovernmentshouldbeencouragedtopromoteinternationaltourism.许多人认为国际旅游对经济发展有积极作用，应鼓励地方政府发展国际旅游。

绝对值优秀教案

《绝对值》教案 贵州省织金县三塘中学：程佳 一、教学目标 1、知识与技能 （1）、借助数轴，初步理解绝对值的概念，能求一个数的绝对值，会利用绝对值比较两个负数的大小。 （2）、通过应用绝对值解决实际问题，体会绝对值的意义和作用。 2、过程与方法目标： （1）、通过运用“| |”来表示一个数的绝对值，培养学生的数感和符号感，达到发展学生抽象思维的目的 （2）、通过探索求一个数绝对值的方法和两个负数比较大小方法的过程，让学生学会通过观察，发现规律、总结方法，发展学生的实践能力，培养创新意识； （3）、通过对“做一做”“议一议”“试一试”的交流和讨论，培养学生有条理地用语言表达解决问题的方法；通过用绝对值或数轴对两个负数大小的比较，让学生学会尝 试评价两种不同方法之间的差异。 3、情感态度与价值观： 借助数轴解决数学问题，有意识地形成“脑中有图，心中有数”的数形结合思想。通过“做一做“议一议”“试一试”问题的思考及回答，培养学生积极参与数学活动，并在数学活动中体验成功，锻炼学生克服困难的意志，建立自信心，发展学生清晰地阐述自己观点的能力以及培养学生合作探索、合作交流、合作学习的新型学习方式。 二、教学重点和难点 理解绝对值的概念；求一个数的绝对值；比较两个负数的大小。 三、教学过程： 1、教师检查组长学案学习情况，组长检查组员学案学习情况。（约5分钟） 2.在组长的组织下进行讨论、交流。（约5分钟） 3、小组分任务展示。（约25分钟） 4、达标检测。（约5分钟） 5、总结（约5分钟） 四、小组对学案进行分任务展示 （一）、温故知新: 前面我们已经学习了数轴和数轴的三要素，请同学们回想一下什么叫数轴？数轴的三要素什么？ （二）小组合作交流，探究新知 1、观察下图,回答问题: （五组完成）

高中英语语法易错题非谓语动词陷阱题

高中英语语法易错题:非谓语动词陷阱题 1. Hｅlｏoked arｏund and cauｇｈｔa maｎ______his hａnd into tｈe pｏcket oｆa passenger. Ａ. put Ｂ. to ｂｅpuｔtiｎg C.to put D．puttｉng 2. Whｅn you’ｒｅlearning to drive, _____＿_ａｇooｄｔｅacher makes ａbig diffeｒence. A.have Ｂ．ｈaｖｉｎｇ C．aｎdｈave Ｄ．ａｎd ｈavｉng 3．I feｌt iｔa great honｏur＿___＿_ to sｐeak tｏyou. A．to ask B．ａskｉng C.to be asked D. havｉng aｓkｅd 4.I would lovｅ＿__＿＿__ to thｅparｔy lasｔｎiｇht bｕt Iｈaｄtｏworｋeｘtra hourｓtｏfiniｓh a report. A. ｔoｇo B. toｈave gone Ｃ. goinｇ D. having ｇoｎｅ 5．Before ｙｏu decide to leave ｙour jｏb, _＿＿_＿__ the effect it ｗiｌl havｅｏｎｙoｕr faｍiｌy. A．conｓidｅrＢ. ｃoｎsｉdｅｒｉng C. tｏｃｏnsider D. considered 6．Rｏberｔis said____＿_＿ａbｒｏad, ｂut I dｏn’t ｋnｏw what cｏu ｎtry he sｔudｉed in. Ａ. to have stｕdied B. to studｙ C．to be stｕdying D．to haｖｅbeen studying 7. It is saiｄｔhat ｉn Aｕstralia ｔhere ｉｓｍore land than the governｍenｔｋnows ______＿. A.it wｈaｔto do with B.whａt to do ｉｔwitｈ C. what to doｗｉth iｔD．to do what witｈit 8. Ａnyone ______＿ｂａｇｓ，bｏxes, ｏr ｗhａtｅver,was stoｐpｅd by the ｐoliｃe. A. seen ｃaｒry B．seｅn caｒrying Ｃ. ｓaｗto cａｒｒy D. saw carryｉｎｇ 9．MｒReeｄmade up his ｍind to dｅｖote aｌl he had ｔo_＿_＿＿__ some

高中英语作文万能句型

高中英语英语作文万能句型 1. 经典句型： A proberb says, “ You are only young once.” （适用于未记住的名言） It goes without saying that we cannot be young forever. （适用于自编名言） 更多经典句型： As everyone knows, No one can deny that… 2. 开头万能母式二：数字统计 原理：要想更无道服力，就应该用实际的数字来道明。 原则上在议论文不应该出现虚真数字的，可是在考试的时候哪，但编无妨，只要我无东西写就万事大吉了。所以不妨试用下面的句型： According to a recent survey, about 78.9% of the college students wante d to further their study after their graduation. 看起来这个数字文邹邹的，其实都是编造出来的，下面随便几个题目我们都可以这样编造： Honesty 根据最近的一项统计调查显示，大学生向老师请假的理由当外78%都是真的。 Travel by Bike 根据最近的一项统计调查显示，85%的人在近距离旅行的时候首选的交通农具是自行车。 Youth 根据最近的一项统计调查显示，在某个大学，学生的缺课工夫的70%都是在休闲娱乐。 Five-day Work Week Better than Six-day Work? 根据最近的一项统计调查显示，98%的人同意每周五天工作。 更多句型：

A recent statistics shows that … 一）段尾句 1. 关于……人们有不同的观点。一些人认为…… There are different opinions among people as to ____ .Some people sug gest that ____. 2. 俗话道（常言道）……，它是我们前辈的经历，但是，即使在今天，它在许多场所仍然适用。 "s the experience of our forefathers，however，it is correct in many case s even today. 3. 现在，……，它们给我们的日常生活带来了许多危害。首先，……；其次，……。更为糟糕的是……。 Today, ____, which have brought a lot of harms in our daily life. First, _ ___ Second,____. What makes things worse is that______. 4. 现在，……很普遍，许多人喜爱……，由于……，另外（而且）……。Nowadays，it is common to ______. Many people like ______ because _ _____. Besides，______. 5. 任何事物都是有两面性，……也不例外。它既有不利的一面，也有不利的一面。 Everything has two sides and ______ is not an exception，it has both a dvantages and disadvantages. 6. 关于……人们的观点各不相同，一些人认为（道）……，在他们看来，…… People?s opinions about ______ vary from person to person. Some peopl e say that ______.To them,_____. 7. 人类正面临一个严肃问题……，这个问题变得越来越严肃。 Man is now facing a big problem ______ which is becoming more and more serious. 8. ……成为人的关注的热门话题，特别是在年青人之中，将引起激烈的辩论。______ has become a hot topic among people，especially among the yo ung and heated debates are right on their way.

绝对值、相反数重难点研习

绝对值、相反数重难点研习 一、教材知识研习 研习点1绝对值 一个数a的绝对值就是数轴上表示数a的点与原点的距离，数的绝对值记作│a│ 如：│5│指在数轴上表示5的点与原点的距离，这个距离是5，所以5的绝对值是5，记作│5│。 一个正数的绝对值是它本身；一个负数的绝对值是它的相反数，0的绝对值是0。 【梳理总结】无论是绝对值的代数意义还是几何意义，都揭示了绝对值的以下有关性质： （1）任何有理数的绝对值都是大于或等于0的数，这是绝对值的非负性，即│a│≥0； （2）绝对值等于0的数只有一个，就是0，若│0│＝0； （3）绝对值等于一个正数的数有两个，这两个数互为相反数； （4）互为相反数的两个数的绝对值相等。 典例求下列各数的绝对值。 （1）-18；（2）3 5；（3）0 [研析]一个数的绝对值与这个数之间的关系有三种： ①正数的绝对值是它本身； ②负数的绝对值是它的相反数； ③0的绝对值是0。 解：（1）因为-18是负数，所以-18的绝对值等于18，即-= 1818。 （2）因为3 5是正数，所以 3 5的绝对值等于 3 5，即 3 5 3 5 = 。 （3）0的绝对值等于0，即00 =。 说明： ①一个数绝对值与这个数的本身或它的相反数有关系。

②求一个数的绝对值，首先要对这个数作出判断：是正数还是负数或者0；然后再选择一个数的绝对值与这个数之间的某种关系；最后写出结果。必须注意，求一个数的绝对值不能误认为就是去掉这个数前面的符号。当一个数是用字母表示的数，如+a ，并没有+=a a ，同样，对于-b ，也没有-=b b 。 研习点2 相反数 只有性质符号不同的两个数，才互为相反数。如31和-31；-3和3；7和-7都是互为相反数。0的相反数是0，由定义知相反数是成对出现的（但-3和5不叫相反数），数轴上表示它们的点分别在原点的两侧且与原点的距离相等。如图，521与-52 1互为相反数， 图1－2－2 【梳理总结】一般地，数a 的相反数是-a,记作-(a)=-a ；-a 的相反数是a,即-(-a)=a ，这里a 可表示正数，负数和0。 正数的相反数是负数；0的相反数还是0；负数的相反数是正数。 典例 填空题： （1）2的相反数的绝对值是______； （2）绝对值等于5的数是_______； （3）绝对值不大于2的整数是________。 [研析] 求一个数的绝对值，用代数定义比较方便，求绝对值等于5的数用几何定义比较直观，不大于即小于或等于，绝对值不大于2的整数即在数轴上到原点距离小于或等于2的整数点表示的数。 解：（1）2； （2）±5；（3）-2，-1，0，1，2。 二、思维误区辨析 易错点1 绝对值理解错误 典例 写出绝对值不大于5的整数．

最新高中英语语法易错题：短语动词陷阱题

高中英语语法易错题：短语动词陷阱题 1. To our surprise the stranger _____ to be an old friend of my mother’s. A. turned out B. turned up C. set out D. set up 2. All the girls swam in the lake except two, who _____ halfway. A. gave off B. gave up C. gave away D. gave out 3. If the new arrangement doesn’t _____, we’ll go back to the old one. A. work over B. work out C. work up D. work i n 4. “Have great changes taken place in your village?” “Yes, A new scho ol was ______ in the village last year.” A. held up B. s et up C. sent up D. brought up 5. I had to ______ because someone else wanted to use the phone. A. give up B. put up C. hang up D. ring up 6. Elephants would ______ if men were allowed to shoot as many as they wished. A. die down B. die out C. die away D. die off 7. My study of biology has ___C___ much of my spare time, but it has given me a great deal of enjoyment. A. taken off B. taken down C. taken up D. taken away 8. The p lan ___ just because people were unwilling to co-operate(合作). A. broke down B. pulled down C. turned down D. put down 9. The government has _______ the parents to work with teachers in the education of their children. A. asked for B. called for C. looked for D. paid for 10. John has put on so much weight recently that his mother has to ______ all his trousers to his measure. A. let out B. give away C. bring in D. make up 11. I can ______ some noise while I’m studying, but I can’t stand very loud noise. A. put up with B. get rid of

高考英语作文万能句型经典句型100句

高考作文经典句型100句 这100句用在你的作文中会像炸弹一样，使你的作文爆发出想象不到的力量！ 1. It is important for everyone to learn English well in our rapidly developing world. 在这个迅速发展的世界里，对每个人来说，学好英语是非常重要的。 [额外成就感] 同样句型包括：It is important/（necessary, difficult, convenient, possible）for sb. to do sth. 例句：It is necessary to shake hands when you first meet someone. 与第一次见面的人握手是非常必要的。 2. The harder you work at it, the more progress you will make.你工作越努力，你取得的进步就越大。 [额外成就感] ①The+比较级…，the+比较级… ②比较级+and+比较级（The world is getting smaller and smaller.） 3. If everyone makes a contribution to protecting the environment, the world will become much more beautiful. 如果每个人都为保护环境做出贡献，世界会变得更加美好。 [额外成就感] 类似的句型还有：If necessary…，they can… 4. The best way to remember new words is to practice them everyday. 记忆新单词最好的方法是每天操练这些单词。 5. The atmosphere in my family is fantastic 我的家庭气氛温馨和睦。

绝对值说课稿

绝对值 各位评委，领导: 下午好！ 我叫,来自四川师范大学。今天我说课的课题是《绝对值》。下面我将围绕本节课“教什么？”、“怎样教？”以及“为什么这样教？”三个问题，下面从教材分析、教学目标分析、教学重难点分析、教法与学法、课堂设计五方面逐一加以分析和说明。 一、教材分析 （一）教材的地位和作用 《绝对值》是七年级上第二章的内容。《绝对值》是在引入有理数和数轴等基本概念后又一重要内容，在教材编排中起承上启下的作用，是学习有理数加减法、乘除法的基础，在今后学习二次根式化简时,也是一个必不可少的工具,它也是我们所认识的第一个非负数。 本节课要求从代数与几何两个角度初步理解绝对值的概念，能求一个数的绝对值。通过应用绝对值解决实际问题，使学生体会绝对值的意义，感受数学在生活中的价值。对于从没有学习过类似知识的七年级学生来说，接受起来有点难和慢，尤其在绝对值的意义方面有一定的难度。但七年级学生有思维活跃，富有激情的特点，我在教学时充分把握和利用了这一特点。 （二）、学情分析 通过前一阶段的教学，学生对数轴和有理数的认识已有了一定的认知结构，主要体现在三个层面： 知识层面：学生在已初步掌握了数轴和相反数，能够用数轴上的点来表示有理数，也已经知道数轴上的一个点与原点的距离，会比较这些距离的大小。 能力层面：学生在初中已经初步具备了数形结合的思想。 情感层面：学生对数学新内容的学习有相当的兴趣和积极性，但探究问题的能力以及合作交流等方面发展不够均衡. （三）教学内容 本节内容分1课时学习。（本课时，品味数学中的和谐美，体验成功的喜悦。） 二、教学目标分析 根据教学大纲的要求、本节教材的特点和七年级学生的认知规律，本节课的教学目标确定为： 知识与技能目标： ⑴借助数轴，初步理解绝对值的概念，会求一个数的绝对值 ⑵通过应用绝对值解决实际问题，体会绝对值的意义和作用，感受数学在生

高中英语语法易错题非谓语动词陷阱题

高中英语语法易错题：非谓语动词陷阱题 1. He looked around and caught a man ______ his hand into the pocket of a passenger. A. put B. to be putting C. to put D. putting 2. When you’re learning to drive, _______ a good teacher makes a big difference. A. have B. having C. and have D. and having 3. I felt it a great honour ______ to speak to you. A. to ask B. asking C. to be asked D. having asked 4. I would love _______ to the party last night but I had to work extra hours to finish a report. A. to go B. to have gone C. going D. having gone 5. Before you decide to leave your job, _______ the effect it will have on your family. A. consider B. considering C. to consider D. considered 6. Robert is said _______ abroad, but I don’t know what country he studied in. A. to have studied B. to study C. to be studying D. to have been studying 7. It is said that in Australia there is more land than the government knows _______. A. it what to do with B. what to do it with C. what to do with it D. to do what with it 8. Anyone _______ bags, boxes, or whatever, was stopped by the police. A. seen carry B. seen carrying C. saw to carry D. saw carrying 9. Mr Reed made up his mind to devote all he had to _______ some schools for poor children. A. set up B. setting up C. have set up D. having set up 10. The discovery of new evidence led to _______. A. the thief having caught B. catch the thief C. the thief being caught D. the thief to be caught 11. She looks forward every spring to _______ the flower-lined garden. A. visit B. paying a visit C. walk in D. walking in 12. To test eggs, _______ them in a bowl of water: if they float they’re bad, if they sink they’re good.