Unit 1 随堂练必修四

必修4第一单元随堂练

Section 1

V ocabulary Building

★★一、根据句子意思和所给首字母或中文提示,写出单词的正确形式。

1. The Great Wall was one of the greatest construction p_______ of the ancient world.

2. That picture made me think of my happy c_______ in the countryside.

3. You should show r_________ for their culture when you do business with foreigners.

4. I____________ by his example, many young people are determined to start their own

businesses.

5. The visit, i__________ to deepen the friendship between the two countries, was a great success.

6. Kids F.A.C.E., founded in 1989, has become the world’s largest youth environmental

__________ (组织), with 300,000 members.

7. To learn to play the game, _________ (观察) the boy who is playing it.

8. The central government spent 276.16 billion yuan on social __________ (福利) and

employment last year.

9. In the present economic situation, we want to strengthen our _________ (联系) with other

countries.

10. The new ____________ (一代) loves modern technology, especially computers, iPods and cell

phones.

★★二、根据句子意思,从方框中所给出的词汇中选出合适的单词或短语,并用其正确形式填空(其中有两个为多余项)。

institute, behaviour, campaign, emergency, outspoken, audience, entertainment, considerate, shade, start out, crowd into, carry on

1. They launched a(n) _____________ to raise money for the children in the disaster area.

2. As soon as the concert was over, the ___________ stood up and applauded warmly.

3. We’ve decided to __________ at 6:00 in the morning, so arrive at the school gate by 5:40.

4. Didn’t Jack apologize to you for his rude ________ at the meeting?

5. Though tired and hungry, the students _________ until they arrived at the camp.

6. It’s too hot. Let’s sit in the ________ of that tree and rest for a while.

7. My brother is a(n) ___________ man, and always says exactly what he thinks.

8. This new computer game is intended for both ___________ and education.

9. Whenever I close my eyes in theevening, fear ___________ my mind.

10. It was ________ of you to turn down the TV while the kids were doing their homework.

★★三、根据释义写出单词,并选词填空。

a. a measurement of the number of times sth. happens during a period ______

b. to do things in a particular way ______

c. to help a woman give birth ______

d. talking little about one’s own abilities or possessions ______

e. a thing sb. has done successfully through effort and skill ______

f. to speak angrily to sb. ______

g. to help or encourage sb. by saying or showing that you agree with him or her ______

1. Professor Hawking, a famous physicist, is admired all over the world for his ________ .

2. To our surprise, the naughty boys ________ well at the party last night.

3. Since you _________ me, I have more confidence in myself.

4. It’s no use ___________ with him; he won’t change his mind.

5. The unemployment _______ has been rising in this country in the last few months.

6. Although she was one of the top leaders of the company, she remained _______.

7. She went to the hospital, where the doctors _____ a lovely baby.

Section 2

Grammar Learning

★★一、用括号中所给动词的适当形式填空。

1. Both Susan and her young brother _________ (visit) the British Museum every year.

2. Many a desk __________ (take) out of the classroom yesterday afternoon.

3. Now Class Eight ____________ (play) basketball on the basketball court.

4. The house burnt down in a big fire, and nothing ________ (leave).

5. What if we come upon a situation which none of us ________ (be) able to deal with?

6. Not only David but also his parents ________ (be) crazy about football in the past.

7. It was the driver rather than the two students who_______ (be) responsible for the accident.

8. Each of the students _________ (have) a walkman to help them improve their listening ability.

★★二、从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。

1. A professor and poet _____ lecture us on English poetry this weekend.

A. was going to

B. were going to

C. is going to

D. are going to

2. The family _____ sitting at the supper table when my grandfather said, "Our family _____

united. No one is al-lowed to break away from it."

A. were; is

B. was; are

C. was; is

D. were; are

3. Every teacher and every student _____ a film ticket free of charge, making all of them happy.

A. were given

B. could be given

C. had been given

D. was given

4. For most of us, one hundred dollars______ a small sum; but it can make a big difference to a

child in Africa.

A. are

B. is

C. being

D. to be

5. Mr. and Mrs. Green, as well as their son Jack, _____ to visit China in the coming summer

holiday.

A. has decided

B. decided

C. decides

D. have decided

6. Dr. Smith, together with his wife and daughters, ________ visit Beijing this summer. (陕西

2009)

A. is going to

B. are going to

C. was going to

D. were going to

7. The number of foreign students attending Chinese universities ____ rising steadily since 1997.

(山东2009)

A. is

B. are

C. has been

D. have been

8. Either you or one of your students ____ to attend the meeting that is due tomorrow. (湖南2009)

A. are

B. is

C. have

D. be

★★三、下列句子中各有一处错误,请指出并改正。

1. The doctor and writer were invited to many high schools to lecture about cloning.

2. They each has won the Nobel Prize in Chemistry for their research.

3. The traffic police is always very busy, especially during rush hour.

4. His family were very poor, and he had to work to support himself.

5. The number of people who travel by plane in China are larger than ever.

6. Many a scientist agree that the earth is becoming warmer and warmer.

7. There go that boy. Many people really like him.

8. Everyone, men and women, young and old, enjoy sports and games.

Section 3

Ability Enhancing

★★一、读课本Page 2的短文"A STUDENT OF AFRICAN WILDLIFE",将合适的单词填入下列空白处。

Jane Goodall, a well-known zoologist, has been studying chimps for many years, helping us understand how much they 1 like humans. By 2 and recording their daily activities, she has learned that chimps eat meat along with fruit and nuts, and that they communicate using gestures.

Our group spent a whole day with her as she was studying the chimps, and she told us that we were going to be tired and dirty. But what we saw in the forest made it all 3 . We realized that the 4 between members of a chimp family is as strong as that in a human family.

Jane has achieved everything she wanted to do, and her example has 5 many women, but she still lives a busy life. She is very outspoken, and often 6 that humans should 7 and protect chimps rather than use them for 8 or advertisements. She once said, "Once I stop, the chimps all come crowding in ... so I will try my best to help them."

★★二、根据括号内所给的提示,完成下列句子。

1. 只有你到了西部之后,你才会意识到水是多么重要。(倒装句型)

Only when you arrive in the West ______ ______ ______ how important water is.

2. 如果你写作方面有困难,可以参考这本书。(refer to)

If you have difficulty in writing, ______ ______ ______ ______.

3. 我只是偶然在学校图书馆里找到了这本书。(by chance)

I found this book in the school library ______ ______ ______.

4. 今天逛街时,我碰到了多年没见的老朋友。(come across)

As I was shopping today, I ______ ______ an old friend ______ ______ ______ for many years.

5. 依我看,继续做这个项目不值得。(worthwhile)

In my opinion, it’s not ______ ______ ______ with this project.

6. 不要看不起那些没有受过大学教育的人。(look down upon / on)

Don’t ______ ______ ______ those who haven’t ______ ______ ______ ______ .

Section 1

一、1. projects 2. childhood 3. respect 4. Inspired 5. intended

6. organization

7. observe

8. welfare

9. bonds 10. generation

二、1. campaign 2. audience 3. start out 4. behaviour 5. carried on

6. shade

7. outspoken

8. entertainment

9. crowds into10. considerate

三、a. rate b. behave c. deliver d. modest e. achievement f. argue g. support

1. achievements

2. behaved

3. support

4. arguing

5. rate

6. modest

7. delivered Section 2

一、1. visit 2. was taken 3. are playing 4. was left 5. is / are

6. were

7. was

8. has

二、1-5 CADBD 6-8 ACB

三、1. were →was 2. has →have 3. is →are 4. were →was 5. are →is

6. agree →agrees

7. go →goes

8. enjoy →enjoys

Section 3

一、1. behave 2. observing 3. worthwhile 4. bond 5. inspired

6. argues

7. respect

8. entertainment

二、1. will you realize 2. refer to this book 3. just by chance

4. came across; I hadn’t seen

5. worthwhile carrying on / worthwhile to continue

6. look down upon / on; received a college education

《实验活动8 粗盐中难溶性杂质的去除》 课后练习及参考答案 1.(2014·广西中考)关于粗盐提纯实验,下列说法正确的是 ( ) A.蒸发时,要将滤液蒸干立即停止加热 B.溶解时,玻璃棒有引流作用 C.过滤时,滤纸边缘高于漏斗边缘 D.过滤时,漏斗下端要紧靠烧杯内壁 2.下图是粗盐提纯实验的部分操作,请回答相关问题. (1)上图所示操作中,有错误的是 (填字母). (2)粗盐提纯的正确操作顺序为 (填字母). (3)操作B中,玻璃棒的作用是 . (4)步骤D中称取10.0g粗盐,将该粗盐逐渐加入盛有10mL水的烧杯中,边加边用玻璃棒搅拌,直到粗盐不再溶解为止,称得剩余粗盐为2.0g,最终得到NaCl晶体6.4g,该实验精盐的产率是 ; (5)若制得的精盐的产率偏高,则可能的原因是 (填字母). A.过滤时滤纸有破损 B.蒸发时有固体溅出 C.溶解含有泥沙的粗盐时,加入的水量不足 D.最终所得精盐比较潮湿 【能力提升】 3.(2014·河南中考)食盐水中含有杂质CaCl2和Na2SO4,依次加入过量BaCl2和Na2CO3溶液后过滤,滤液中溶质为 ;过滤所用玻璃仪器有烧杯、玻璃棒和 .向食盐水中通NH3和CO2可制得小苏打和一种氮肥,该氮肥的化学式为 .(提示:BaSO4、BaCO3难溶于水) 【拓展探究】 4.(2014·柳州中考)粗盐中含有泥沙等难溶性杂质和氯化镁、氯化钙等可溶性杂质,某学习小组做粗盐的提纯实验. 【提出问题】如何才能将粗盐中的杂质除去,获得精盐? 【实验方案】该小组按以下流程进行实验. 【问题讨论】 (1)实验步骤②③④都需要进行操作,该操作中玻璃棒的作用是 . (2)沉淀X是 ,沉淀Y是 . (3)有同学认为该实验方案不完善,请你说明原因并补充完善: . (4)将实验所得的精盐在烧杯中配制成100g8%的氯化钠溶液.经检测,所配溶液溶质质量分

必修三Unit 2《Healthy eating》单元测试2 笔试部分： I. 单项选择 1. It looks like rain, so you'd better ______ without an umbrella. A. go B. not to go C. going D. not go 2. The children are full of ______. They have been playing all day long without resting. A. force B. power C. energy D. strength 3. She became fatter and fatter, so the doctor advised her ______. A. losing weight B. to lose weight C. to keep weight D. to gain weight 4. Since your brother is in trouble, you ______ give him a hand. A. need B. could C. might D. should 5. Let's go to a movie after work, OK? — _____________ A. Not at all. B. Why not? C. Never mind. D. What of it? 6. I was really anxious about you. You _______ home without a word next time. A. mustn't leave B. shouldn't have left C. couldn't have left D. needn't leave 7. Black holes _____ not be seen directly, so determining the number of them is a tough task. A. can B. should C. must D. Need 8. I think he could have joined us, but he ____ A. doesn't B. did C. didn't D. couldn't 9. —Did you visit the famous museum? —No, we _____, but we spent too much time shopping. A. could have visited B. must have visited C. can' t have visited D. shouldn't have visited 10. —You know that you were driving 100 km an hour, don't you? —No officer, I ____. This car doesn't do more than 80. A. may not have been B. couldn't have been C. mustn't have been D. shouldn't have been 11. —Where is Jack? I can't find him anywhere. —He ______ his homework upstairs. A. might have done B. must have done C. might be doing D. must do 12. Mr. White _____ at 8:30 for the meeting, but he didn't show up. A. should have arrived B. should arrive C. should have had arrived D. should be arriving 13. We _____ last night, but we went to the concert instead. A. must have studied B. might study C. should have studied D. would study 14. No potatoes for me—I'm _______ a diet. A. at B. in C. on D. with 15. The speed of cars and trucks is _____ to 30 kilometers per hour in large cities in China.

Unit 2Healthy eating Ⅰ.单词—在语境中默写，在联想中积累

Ⅲ.句式—在解读中学懂，在仿写中学通 第一板块| 核心单词归纳集释

[单词集成训练] Ⅰ.基础点全练 1．单句语法填空/补全句子 ①If your knowledge can (combine) with my experience, we’re sure to succeed. ③—Would you like some more chicken —No, thanks. I am a diet and I’m trying to lose weight. ④The boy showed (curious) about what was going on. ⑤The government decided to take some measures (strength) the economy. | ①Mr. S tevenson is great to work for — I really couldn’t ask for a better (good) boss. 为史蒂文森先生工作真好——我实在找不到比他更好的老板了。 ②It was not until then that I suddenly realized nobody was happier (happy) than I was. 直到那时我突然意识到没有人比我更幸福了。 ③—Must I turn off the gas after cooking —Of can_never_be_too_careful with that.

00225一、单项选择题本大题共30小题每小题1分共30分在每小题列出的四个选项中只有一个选项是符合题目要求的请将正确选项前的字母填在题后的括号内。 1.有关国际贸易动机的生产要素比例学说的创始人是 A.亚当·斯密 B.大卫·李嘉图 C.俄林 D.保罗·萨谬尔森 2.根据平等互利原则在国家关系中国家之间在国际贸易中应相互给予 A.国民待遇 B.无条件的最惠国待遇 C.普遍优惠待遇 D.特别优惠待遇 3.完成《国际货物买卖统一法公约》和《国际货物买卖合同成立统一法公约》起草工作的是 A.罗马国际统一私法协会 B.巴黎国际商会 C.联合国国际贸易法委员会 D.国际法协会 4.1980年《联合国国际货物买卖合同公约》可以适用于 A.确定合同的效力 B.确定买卖双方的风险承担 C.确定货物所有权的转移 D.确定产品责任的承担 5.负责起草《联合国国际货物买卖合同公约》的指导委员会的组成人员主要有大卫和巴布斯库及 A.施米托夫 B.穆尔 C.哥尔德斯坦 D.杰克逊 6.甲国A公司于某年8月14日将其出售给乙国B公司的货物交付给承运人该承运人8月16日将该货装船运出8月20日B公司与丁国的C公司订立合同出售运输途中的上述货物并于8月25日将上述货物的全套正本提单等交易单证作为交货依据交付给C公司上述货物的风险转移时间是 A.8月14日 B.8月16日 C.8月20日 D.8月25日 7.对于电子商务问题迄今为止真正全面适用于电子商务活动的统一法是 A.《数据电传交换的统一行为守则》 B.《跟单信用证统一贯例》 C.《国际海事委员会电子提单规则》 D.《电子商业示范法》 8.在2000年《国际贸易术语解释通则》中买方所承担的风险与责任最大的国际贸易术语是 A.DDP B.FCA C.FOB D.EXW9.将海运承运人的赔偿责任基础由不完全过失责任制改为推定完全过失责任制的是 A.《海牙规则》 B.《维斯比规则》 C.《汉堡规则》 D.《华沙-牛律规则》 10.A公司搭载于某航行途中货轮上的1000吨袋装水泥在货轮穿越一狂涛区时为保证货轮和其他几个货主的仪器设备的安全被船长下令全部抛入大海。最后该货轮安全抵达目的港A 公司的水泥却已全部被抛弃。A公司的损失属于 A.全部实际损失 B.推定全损 C.单独海损 D.部分损失 11.被保险人将残存的被保险货物的所有权转让给保险公司并请求赔付全部保险金额的条件是货物发生了 A.实际全损 B.推定全损 C.部分海损 D.共同海损 12.根据《联合国国际货物多式联运公约》联运经营人对货物的责任期间是 A.接货到交货 B.装货到卸货 C.仓至仓 D.门到门 13.根据中国人民保险公司的保险条款保险人对于海上运输货物的保险责任起迄为 A.仓至仓 B.钩至钩 C.舷至舷 D.装至卸 14.以银行信用为基础的国际贸易支付方式是 A.T/T B.L/C C.D/D D.D/P 15.进出口商品配额通常是指一国对指定货物在一定期间 A.允许进口的限额 B.应履行的进出口义务限额 C.应履行的政府采购份额 D.对其进出口份额进行分配 16.目前没有在GATS体制下达成多边市场准入承诺协议的服务部门是 A.电信服务 B.金融服务 C.自然人流动 D.海运服务

初中化学实验基本操作随堂小测 河北省邯郸市丛台区永和学校孙会鹏 1、取用液体药品时，正确的操作是（） A、手拿试剂瓶，标签向外 B、试剂瓶口不要紧贴试管口，以防污染 C、手持试管，应垂直拿稳 D、取完药品盖好瓶盖，放回原处，标签向外 2、 2.下列仪器不宜用来加热的是（） A、烧杯 B、试管 C、蒸发皿 D、量筒 3、下列操作正确的是（） A、可以手持试管给固体过这液体加热 B、实验要求中未说明药品的用量，就应该取最少量，液体1-2毫升，固体盖满试管底部 C、取用块状药品可以用手拿 D、实验后剩余的药品可放回原试剂瓶中 4、在实验室取用药品时，试剂瓶盖应__________。 5、在实验室，取用固体药品一般用，有些块状药品用夹取。若没有说明用量只需。取用固体药品时，把块状的药品或密度较大的金属颗粒放入玻璃容器时，应该先把容器，把药品或金属颗粒放入，再把容器，使药品或金属颗粒，实验结束时，对剩余药品的处理方法是。 6、液体药品通常盛在里，取用时，瓶盖应放在实验台上，试剂瓶口与试管口要。使瓶上的标签向着＿＿＿，倒完液体后，立即塞紧瓶塞，把瓶子放回原处，若实验没有说明用量，应取毫升液体，取用一定量的液体药品时，通常使用。 7、实验室里所用的药品，有的有毒，有的有腐蚀性，因此在闻气体的气味时应________，特别是不能_________味道。 8、量取一定体积的液体，应当用__________，视线应与________保持水平，再读出所量液体的体积数。若观察时视线是仰视，则此时读出液体的体积数(填“大于”“小于”或“等于”)实际量取液体的体积数。 9、有①镊子、②烧杯、③试管、④胶头滴管、⑤药匙、⑥燃烧匙、⑦坩埚钳、 ⑧10mL量筒、⑨100mL量筒、⑩托盘天平等仪器。 请为下列实验操作各选一种仪器（填写相应的序号）：吸取或滴加少量液体时用；

Unit 2 Healthy eating 一、单项选择题(1%×15=15%) 1，It looks like rain, so you’d better ______ without an umbrella. A. go B. not to go C. going D. not go 2，The children are full of ______. They have been playing all day long without resting. A. force B. power C. energy D. strength 3，She became fatter and fatter, so the doctor advised her ______. A. losing weight B. to lose weight C. to keep weight D. to gain weight 4，Since your brother is in trouble, you ______ give him a hand. . A. need B. could C. might D. should 5，Let’s go to a movie after work, OK — _____________ A. Not at all. B. Why not C. Never mind. D. What of it 6，I was really anxious about you. You _______ home without a word next time. A. mustn’t leave B. shou ldn’t have lef t C. couldn’t have left D. needn’t leave 7，Black holes _____ not be seen directly, so determining the number of them is a tough task. A. can B. should C. must D. Need 8，I think he could have joined us, but he ____ A. doesn't B. did C. didn't D. couldn't ； 9，---Did you visit the famous museum ---No, we _____, but we spent too much time shopping. A. could have visited B. must have visited C. can' t have visited D. shouldn't have visited 10，---You know that you were driving 100 km an hour, don't you ---No officer, I ____. This car doesn't do more than 80. A. may not have been B. couldn't have been C. mustn't have been D. shouldn't have been 11，--- Where is Jack I can’t find him anywhere. --- He ______ his homework upstairs. & A. might have done B. must have done C. might be doing D. must do 12，Mr. White _____ at 8:30 for the meeting, but he didn’t show up. A. should have arrived B. should arrive C. should have had arrived D. should be arriving 13，We _____ last night, but we went to the concert instead. A. must have studied B. might study C. should have studied D. would study 14，No potatoes for me—I’m _______ a diet. A. at B. in C. on D. with 15，The speed of cars and trucks is _____ to 30 kilometers per hour in large cities in China. A. limited B. limiting C. limiting to D. limited to 二、} 三、单词拼写（%×10=15%） 1.He’s always full of e___________ and seems never to be tired. 2.Kitty has been wondering what is in the box and finally she opened it with c______________. 3.What will happen if you do not eat a b______________ diet. 4.The agreement will b________ both sides.

Unit2 Healthy eating Ⅰ. 单句语法填空 1．Many people have come to realize that they should go on __a__ balanced diet and make room in their day for exercise. 解析：句意：许多人已经意识到他们应该保持平衡的饮食，而且每天留时间进行锻炼。 a balanced diet平衡的饮食。 2．—How was your recent trip to Sichuan? —I've never had a __more__ pleasant one before. 解析：考查形容词的比较级。句意：——你最近去四川的旅行怎么样？——这是让我最为愉快的旅行了。否定词never与比较级a more pleasant构成最高级的含义。 3．—In this day and age, women can have children and jobs as well. —I can't agree more.It's great to have the two__combined__(combine)． 解析：句意：——在现在这个年代，妇女可以兼顾养育子女与工作。——我非常同意。把这两者结合起来是非常棒的。 4．Since nobody gave him any help, he __must__ have done the research on his own. 解析：本题考查情态动词的用法。句意：因为没有人帮助他，他一定是自己独立完成的研究。must have done表示对过去事实的肯定推测。 5．While prices are rising so fast，many people are working out ways to cut __down__their expenses. 解析：句意：当价格飞涨时，许多人做出了削减费用的举措。cut down削减，缩短，砍倒。 6．You'd better take into account your own __strengths__(strong) and weaknesses before choosing a major. 解析：句意：在选专业之前你最好考虑你的优缺点。strength“强项，优势”，符合句意。 7．The child should be punished.You shouldn't let him get __away__ with telling lies. 解析：句意：这孩子应受到惩罚。他撒谎你不应该不处罚他。get away with侥幸成功；逃脱处罚。 8．—Are you pleased with what he has done? —Not a bit.It couldn't be any __worse__(bad)． 解析：考查形容词的比较级。答语中的Not a bit表示“一点儿也不”，由此可知，第二个说话人认为他做的事情糟糕透顶，此处是否定词与比较级连用表示最高级含义。 9．Mr.Stevenson is great to work for—I really couldn't ask for a __better__(good) boss. 解析：考查比较级用法。“can't/couldn't...＋比较级”表示最高级含义。根据前半句“Mr.Stevenson is great to work for”可知，Stevenson是一个不错的老板，因此说“我真的找不到个比他更好的老板了”，表示在我看来他是最好的。 10．Whom do you expect to have __solve__(solve) the problem of overloaded school buses?

周周练(第十一单元) 一、我会选(每题5分，共50分) 1．(西藏中考)下列选项中物质的俗名和化学名称表示同一物质的是( ) A．纯碱氢氧化钠 B．干冰水 C．生石灰碳酸钙 D．小苏打碳酸氢钠 2．(邵阳中考)欲使冬小麦根系发达，耐寒耐旱，往往需要施加磷肥，根据所学的化学知识，你认为宜施加的肥料是( ) A．Ca(H2PO4 )2 B．NH4HCO3 C．K NO3 D．CO(NH2)2 3．只用一种试剂来鉴别氯化钠、氯化钡、稀盐酸三种溶液，这种试剂是( ) A．碳酸钠溶液 B．稀硫酸 C．无色酚酞溶液 D．紫色石蕊溶液 4．(南京中考)下列各组离子在水中能大量共存的是( ) A．Cu2＋、Na＋、Cl－、OH－ B．H＋、K＋、NO－3、SO2－4 C．Na＋、NH＋4、NO－3、OH－ D．Ag＋、Ba2＋、NO－3、Cl－ 5．(咸宁中考)下列各组物质变化中，每一次转化在一定的条件下均能一步实现的是( ) 选项 X Y Z A Fe FeCl2 Fe2O3 B CO2 Na2CO3 CaCO3 C H2 H2O H2O2 D Ca(OH)2 NaOH NaCl 6．(烟台中考)酸、碱、盐在工农业生产和日常生活中应用广泛。下列做法错误的是( ) A．用石灰乳与硫酸铜溶液配制农药波尔多液 B．用稀盐酸除去铁制品表面的铁锈 C．用食盐水除去水壶中的水垢 D．施用复合肥硝酸钾能使农作物枝叶茂盛，并增加抗倒伏能力 7．(凉山中考)下列四组溶液，仅用组内物质就能鉴别出来且均为无色溶液的是( ) A．K2CO3FeCl3KOH ZnSO4 B．NaCl MgCl2K2SO4CuSO4 C．NH4HCO3Ba(OH)2H2SO4NaNO3 D．K2CO3Na2SO4BaCl2NaOH 8．(济宁中考)下面对有关实验的设计与解释，不合理的是( ) 选 实验内容试剂与方法结论与解释 项 A 分离CaCO3和CaO 加水溶解、过滤CaO溶于水

2019-2020学年高中英语人教版必修三 Unit 2 知识运用 I．单词拼写 1. You should ______(节食)and take more exercise. 2. Old as he is, he has such______(精力)that he can work 14 hours a day. 3. The teacher told him not to______(为…叹息) over the failure of yesterday’s test. 4. Mum, I don’t want any cake; I’m______( 减肥). 5. You shouldn’t have had your son telling people______(谎言) here and there. 6. The men who were fighting g _____at each other. 7. Only having r ______ vegetables, fruit and water for a dinner could not offer enough energy. 8. There was a sign in the window of his restaurant: “C______ are God!”. 9. To see if the food would be popular, he decided to do some r ______in the market. 10. His English was so l ______ that he couldn’t even tell the foreign friend where he was from. II. 短语翻译 1. 平衡的膳食__________ 2. 厌倦__________ 3. 扔掉，丢弃__________ 4. 说谎__________ 5. 摆脱，除去__________ 6. 被放过，（做坏事）不受惩罚__________ 7. 匆匆走过__________ 8. 充满，满是… __________ 9. 由…制成__________ 10. 对…感到吃惊__________ 11. in debt __________ 12. earn one’s living__________ 13. do some research__________ 14. slimming restaurant__________ 15. no longer __________ 16. look forward to__________ 17. fat and heavy food___________ 18. cut down__________ 19. spy on sb/sth__________ 20. glare at sb__________ III. 词语辨析：用所给词或词组的正确形式填空。 A. 用lie和lay 填空 lie 表示“位于，躺着，（东西）平放时”，其过去式和过去分词为lay和lain, 表示“说谎”时，其过去式和过去分词为lied和lied; lay意为“放置，下蛋”时，其过去式和过去分词为laid和laid. 1. They _____an old temple in the north of the village. 2. Mother _____ the baby gently on the bed and left. 3. He ______to his parents, which made them quite angry. 4. He felt tired, so he went and ______down for a rest. 5. Mom was busy preparing the dinner, so she asked John to ______the table. B. 用research和search填空 1. The police ______every room in the hotel for the criminal. 2. They have made great progress in the scientific ______into cancer.

1．complain vi. & vt.抱怨；发牢骚；投诉 [P20教材原文]Nothing good can come to a nation whose people only complain and expect others to solve their problems. 如果一个国家的人民只会抱怨，指望别人解决他们的问题，那么这个国家就不会有什么好风气。 [归纳拓展] (1)complain (to sb.) of/about (doing) sth. (向某人)投诉/抱怨(做)某事；(向某人)发牢骚 complain (to sb.) that... (向某人)抱怨…… (2)complaint n．抱怨；投诉；控告 make a complaint about/of sth. 抱怨/投诉某事 make a complaint to sb. 向某人抱怨/投诉 She complained to us that no one had been at the airport to pick her up. 她向我们抱怨说没人去机场接她。 If you wish to make a complaint about that, you should see the manager. 如果你要对此投诉，你应该去找经理。 一句多译 我写信向你投诉你们宾馆服务差。 ①I'm writing to ________________________the bad service of your hotel. (complain) ②I'm writing to ________________________________the bad service of your hotel. (complaint) 2．pick up捡起；收拾；整理；(偶然)学会；用车接某人；收听到；(身体)好转[P20教材原文]He picked himself up and angrily went away. 他站起来，愤怒地走开了。 [归纳拓展] pick oneself up(摔倒后)站起来 pick out 挑出；挑选；辨别出 pick sb. to do sth. 选中某人做某事 pick one's pocket 扒窃；掏包 He picked up his suitcase and climbed the stairs. 他拎起手提箱，爬上了楼梯。 I picked up some highly useful old books. 我偶然得到了几本极为有用的旧书。 Remember that time she picked up my daughter when I was ill? 还记得那次我生病，她替我接女儿吗？ (1)一词多义(写出下列句中黑体部分的含义) ①It's surprising that your brother picked up Russian so quickly—he hasn't lived there very long ②Is there any possibility that you pick me up at the airport？ ③After careful treatment, his health gradually picked up. (2)完成句子 ④国庆节期间，许多志愿者和我捡拾游客丢弃的垃圾。 During the National Day, many volunteers and I

初三化学随堂练答案 能用到的相对原子质量 H 1 C 12 N 14 O 16 P31 S 32 Cu 64 Zn 63．5 一、选择题（每小题只有1个选项符合题意。共20个小题，共40分） 题号1 2 3 4 5 6 7 8 9 10 答案 题号11 12 13 14 15 16 17 18 19 20 答案 1．空气成分中，体积分数最大的是 A．氮气B．氧气C．二氧化碳D．稀有气体 2．地壳中含量最多的金属元素是 A．硅B．氧C．铝D．铁[来源:学*科*网] 3．下列变化中，属于化学变化的是 A．蜡烛燃烧B．冰雪融化C．香水挥发D．干冰升华 4．下列物质的主要成分属于氧化物的是 A．钻石（C）B．水晶（SiO2）C．食盐（NaCl）D．钟乳石（CaCO3） 5．下列物质在氧气中燃烧，火星四射，有黑色固体生成的是 A．红磷B．木炭C．甲烷D．铁丝 6．豆类、动物肝脏中含有丰富的铁和锌，这里的“铁”、“锌”是指 A．原子B．分子C．元素D．单质 7．下列物质中，属于溶液的是 A．牛奶B．豆浆C．冰水D．糖水 8．下列生活中的做法，不利于节约用水的是 A．用淘米水浇花B．用洗过衣服的水冲马桶 C．隔夜的白开水直接倒掉D．洗手打肥皂时暂时关闭水龙头 9. 下列关于四种粒子的结构示意图的说法中正确的是 ①②③④ A. ①③是不同种元素 B. ②表示的元素在化合物中通常显+1价 C. ②③的化学性质相似 D. ①④表示的是离子 10．下列物质中，含有氧分子的是 A．空气B．MnO2 C．CO2 D．H2O2 11．牙膏中的含氟化合物对牙齿有保护作用。一种氟原子的原子核内有9个质子和10个中子，该原子的核电荷数为 A．7 B．9 C．10 D．19 12．决定元素种类的是 A．核外电子数B．中子数C．最外层电子数D．质子数 13．下列物质的用途中，利用其物理性质的是 A．氧气用于切割金属B．干冰用于人工降雨 C．铁粉用作食品保鲜吸氧剂D．小苏打用于治疗胃酸过多 14．下列实验操作中，正确的是 A．加热液体B．过滤C．稀释浓硫酸D．称量固体 15．下列是人体中几种体液的正常pH，酸性最强的是

高中英语必修三第二单元知识点总结第二单元 ）diet 作名词，表示“日常饮食”。 be/goondiet节食 作动词，表示“节食“。 2）区别energy，strength，power和force： energy主要指人的精力，工作或活动的能力，自然界的能等。 power主要指做一件事情所依靠的的能力，功能，人或机器等事物所潜在的或所发挥出来的力量，职权，权力或政权。 force主要指自然界中的力量，暴力，势力，说服力，压力，法律，道德或情感的力量，军事的力量。 strength指一人或一物所含的内在的力量，能用以从事，忍受，或抵抗很多事物。 3）balance 作名词，表示“天平，秤；平衡，平稳“。 be/hanginthebalance不确定的，尚未决定的 keepone’sbalance保持平衡

onbalance考虑周全，总的来说 strikeabalance找出折中办法，妥协 作动词，表示“权衡，平衡”；balanceAagainstB权衡利弊。 4）sign 作名词，表示“记号，符号，标志，标记，手势，迹象，指示牌”等。 作动词表示“签名，签署，示意，做手势”。 insignof作为……的记号；表示……的。 makenosignof没有……的样子（迹象），没有表示…… signfor签约应聘或受雇 signforsth签收某物 signsbon/up使某人签约受雇 signup注册参加（俱乐部，课程） 5）sigh sighover…为……叹息 sighfor想念，思念 sighout/forthsth边叹息边说出…… 6）slim 作形容词，表示“苗条的，纤细的，小的”。 作动词，表示“变细，减肥”。 slimdown减肥，缩减。

第一单元走进化学世界 课题1 物质的变化和性质 5分钟训练 1.化学研究的内容是_________________。_________________是科学探究的一种重要方法。提示:本题考查学生对教材基础知识的理解和把握，熟悉和掌握教材上讲过的内容和知识。答案：研究物质的组成、结构、性质及变化规律 2.提出物质是由分子和原子构成理论的是（） A.门捷列夫 B.道尔顿 C.拉瓦锡 D.道尔顿和阿伏加德罗 思路解析:门捷列夫提出的是元素周期律和元素周期表；道尔顿是原子学说的奠基人；拉瓦锡通过实验得出了空气的组成；阿伏加德罗提出了分子概念和原子、分子的区别。该题的题干是物质是由“分子和原子构成”，故选D。 答案：D 3.物理性质是_________________的性质；化学性质是_________________的性质。 提示：本题考查学生对阅读教材、对基础知识的理解、把握能力和记忆能力。 答案：物质不需要发生化学变化就能表现出来物质在化学变化中能表现出来 4.物理性质包括_________________、_________________、_________________、_________________、_________________、_________________、_________________等。答案：颜色状态气味硬度熔点沸点密度 10分钟训练 1.解释下列物理性质： （1）熔点： （2）沸点： （3）压强： （4）密度： 思路解析:理解和掌握教材中有关物理性质的意义。 答案：（1）物质的熔化温度（2）液体沸腾时的温度（3）物质在单位体积上所受到的压力（4）物质的单位体积的质量 2.化学变化的基本特征是_________________，通常表现为_________________、_________________、_________________等。 提示:了解化学变化的基本特征。 答案：有其他物质生成颜色改变放出气体生成沉淀等 3.化学变化还伴随着_________________的变化，这种变化通常表现为_________________、_______________、_______________等。这些现象可以帮助我们判断有没有化学变化发生。思路解析:理解化学变化要伴随着能量的变化，以及能量变化所表现出来的一些现象。 答案：能量吸热放热发光 4.氧气和二氧化碳气体都是____________（颜色）______________（气味）_________________的体（状态）。将一根木条在空气中点燃，伸入氧气瓶中，你看到的现象是_________________，将一根木条在空气中点燃，伸入氧气瓶中，你看到的现象是_________________。 思路解析：氧气和二氧化碳是重要的、常见的物质，和人们的生活息息相关。了解它们的性

B3Unit2 补充： pork 猪肉peach 桃子lemon 柠檬cucumber 黄瓜eggplant茄子pea 豌豆mushroom蘑菇bean 豆子pepper 辣椒kebab烤羊肉串protective 给予保护的 vitamin 维生素protein 蛋白质mutton 羊肉kebabs 烧烤mutton 羊肉spaghetti 意大利面nut 坚果vinegar 醋 garlic 蒜 重点单词 1.diet n.日常饮食vi.节食daily diet a healthy diet low-salt diet 2.protect vt.保护 protection n.保护 protective adj.保护的protect...from... protective clothing 3.balance vt. 平衡，权衡 c. 天平，称u.平衡，均衡 weigh v.→ weight n. lose weight put on weight/gain weight keep/lose one’s balance out of balance sense of balance v.（使）保持平衡，（使）均衡，权衡 keep a balanced diet balance the budget

balance between...and... 4.slim vi.变细，减肥 adj.苗条的，纤细的 a slim body/figure体型 slim salary 薪水 a slim chance of success 渺茫的成功的机会 5.sign v.签名，示意 n. 指示牌，标记，手势，迹象signal n.信号v.发信号a road/traffic sign sign language手语 sign to示意 sign up for报名参加，登记注册6.curiosity n. 好奇心curious adj.好奇的curiously adv.好奇地7.hostess n.女主人，女主持人host n.主人v.主持 raw adj.生的，未加工的 raw vegetables 8.lie v.说谎，躺下n.谎言 tell sb a lie lie to sb a white lie 一个善意的谎言 vi. 说谎lie,lied,lied,lying vi 躺lie,lay,lain,laying vt. 放置，下蛋lay,laid,laid,laying 9.customer n.顾客，消费者regular customer常客 custom n.习俗，习惯 customs n.海关 10.discount n.折扣v.打折扣 a discount shop/store discount prices/fares

未回答 满分4.00 标记题目 题干 在2000年《国际贸易术语解释通则》中，买方所承担的风险与责任最大的国际贸易术语是（） A. EXW B. FCA C. FOB D. DDP 反馈 正确答案是：EXW 题目2 未回答 满分4.00 标记题目 题干 根据《2000年国际贸易术语解释通则》的解释，在DAF（边境交货）术语中，下列哪些地点可以是卖方交货地点？（） A. 出口国边境 B. 双方约定的任何边境地点 C. 第三国边境 D. 进口国边境 反馈 The correct answers are: 出口国边境, 进口国边境, 双方约定的任何边境地点, 第三国边境题目3 未回答 满分4.00 标记题目 题干 据《华沙公约》和《海牙议定书》规定航空货运单的主要内容包括：( )。 A. 运输期限 B. 注明该货运单受《华沙公约》或《海牙议定书》约束 C. 货运单份数及随附单证 D. 运输航线 反馈 The correct answers are: 货运单份数及随附单证, 运输期限, 注明该货运单受《华沙公约》或《海牙议定书》约束, 运输航线 题目4 未回答

标记题目 题干 在合同订立之后，在履行期到来之前，一方表示拒绝履行合同的意图被称为（） A. 实质性违约 B. 一般违约 C. 先期违约 D. 严重违反合同 反馈 正确答案是：先期违约 题目5 未回答 满分4.00 标记题目 题干 对于共同海损所做出的牺牲和支出的费用，应由( )。 A. 所有与之有利害关系的受益人按获救船舶、货物、运费获救后的价值比例分摊 B. 货方承担 C. 船方承担 D. 保险公司承担 反馈 正确答案是：保险公司承担 题目6 未回答 满分4.00 标记题目 题干 按照《2000年通则》的解释，才采用FOB条件成交，买卖双方风险划分的界限是（）。 A. 装运港船边 B. 装运港船舷 C. 运输工具上 D. 装运刚船上 反馈 正确答案是：装运港船舷 题目7 未回答 满分4.00 标记题目 题干 按照《2000年通则》的解释,FOB﹑CFR与CIF的共同之处表现在( ).