文档库 最新最全的文档下载
当前位置:文档库 › 植树问题专项练习30题(有答案)

植树问题专项练习30题(有答案)

植树问题专项练习30题(有答案)
植树问题专项练习30题(有答案)

第四讲一植树问题专项练习30 题(有答案)

1.有一根木料,打算锯成5 段,每次锯下一小段用3 分钟,全锯完用几分钟?

2.一根200厘米长的木条,要锯成10 厘米长的小段,需要锯几次?

3.一条林阴道长18 米,在路的一旁从一端到另一端每隔2米放一盆花,一共安放多少盆花?

4.同学们沿小路一侧植树(两端都种),每隔8米种一棵,一共种了40 棵.这条小路有多少米?5.一根木料,锯成2 段,要3 分钟,如果锯成6 段要多少分钟?

6.在一条长3 千米的公路两旁栽树(两端都要栽),每隔8 米栽一棵.一共栽树多少棵?

7.小朋友排成两行做早操,每行隔0.8米站1 个人.已知队列长13.6米,共有多少个小朋友?

8.时钟6点钟敲6下,10 秒钟敲完,敲8下需要多少秒?

9.在公路的一边,每10 米栽一棵树,李红从第一棵跑到第10 棵,跑了多少千米?

10.一根木头锯成3段要10 分钟,如每次锯的时间相同,锯成10 段要多久?

11.六一儿童节快到了,学校摆放了一个方阵花坛.这个花坛最外层每边各放20 盆花,最外层一共摆了多少盆花?

12.植树问题:在一条3 千米公路两侧种树,每隔15 米种一棵,在这条公路上一共种了多少棵树?

13.李英和黄明比赛走楼梯,李英走 3 级楼梯时,黄明能走5 级,这幢楼每两层之间有20 级楼梯,那么当黄明走

到6 层楼时,李英走到几层楼?

14.把一根木料锯成30 厘米长的小段,一共花了10 分钟.已知锯下一段要花1 分钟,这根木料有多长?15.在一条路的一侧从头到尾种树,每隔15 米种一棵树,共种41 棵,这条路长多少米?

16.一条路长 200 米,在路的一旁从头至尾每隔 5 米植一棵树,一共要植多少棵?

17.每上一层楼要走 16 个台阶,齐齐走到家里一共有 64 个台阶,齐齐家住几楼?

18.一条道旁,从头到尾每隔 5米种一棵树,共种 101 棵,这条小道有多长?

19.小亚家住在八楼,她从一楼到八楼需要走 112 个台阶,她每上一层要走多少个台阶?

20.几名工人在三峡水库的一边植树 32 棵,每棵树相距 3.64 米,从第一棵树到最后一棵树共长多少米?

21.一个施工队要在一条长 4 千米的水渠上,每隔 8 米修一个出水口(两端都要修) ,这个施工队要修多少个出水 口? 22.在长 120米的马路两边种树,两端都要种,间距 5 米一棵,一共要种多少棵树?

25.有一幢楼房高 17层,相邻两层间都有 17 个台阶,某人从第一层走到第 11层,一共要登多少个台阶? 26.同学们排成一队,共 36人,每相邻两人之间的距离是 2 米,那么这一队伍从头到尾共长多少?

27.王大伯家的鱼塘是长方形, 长 100 米,宽 60 米.现在准备在鱼塘的四周栽树, 每隔 20 米栽 1棵,四个角都栽, 一共要栽多少棵?

28.在 400米的环形跑道四周每隔 5 米插一面彩旗,需要多少面彩旗?

29.一座宿舍的走廊长 15 米,插有 6面彩旗.照这样计算,办公大楼走廊长 27 米,要插多少面彩旗?

23.在某城市的一条路旁摆放一排花,每两盆花之间相距

问有几盆花不用搬动? 4 米,共摆放 55 盆花,现在要改成每 3 米放一盆花,请

24.要在正方形的喷水池边上摆上花盆,每一边摆放 7 盆花(四个角上都要有一盆花) ,一共要摆多少盆花?

初中英语短文改错专项训练

中考复习改错专项训练 1. Old Sarah was a strange rich woman. He did not 80. ________ hope to see any of her relative. She felt what they 81. ________ were interested in was her money. She was all right 82. ________ After she died, the relatives got together to hear Sarah's 83. ________ lawyer(律师) to read her will (遗嘱). They were sure that 84. ________ Sarah had left many money and they quarreled strongly 85. ________ with each other when they waited the lawyer to arrive. 86. ________ After the lawyer came in the living room, he asked them 87. ________ to sit down. He began to read the will in a seriously 88. ________ voice. Sarah has left all her money to her cats. 89. ________ 2. Mr Green come from England . 81. _________ He teaches English in middle school . 82. _________ He can speak some Chinese. He 83. ________ goes at Chinese classes very week . 84. __________ He likes working in Chinese very much . 85. _________ 3. Have you ever wanted to write a song? Two Sister. 59._________ Mildred and Patty Hill, once write a little song. 60._________ It was a happily song that they loved to sing. It 61._________ was calling "Good Morning to You. "However, most 62._________ other people didn't know the song very well. A day, 63._________ Mildred and Patty had a idea. It turned out (证明) to be 64._________ a very bad idea. They changed the words of the song. They 65.__________ called the new song "Happy Birthday to You." Theirs short 66._________ birthday song is now very famous. Almost every body know 67.__________ the words, Did anyone sing it at your test birthday party? 68.__________ 4. Hundred of years ago, news was carded by 6. _____________ people on foot or by a horse. It took a long 7. _____________ time people to receive news. Now it is possible 8. _____________ to send words and pictures in seconds. Billions of 9. _____________ people learn about news either by watching TV and by reading. 10. ____________ 5. Yesterday I went for shopping for shoes. The largest pair 1. I could find was an size 9 and I wear an 11! Everyone 2.

(完整版)高考复习必看短文改错专项训练15篇(附答案)

高考复习必看短文改错专项训练15篇(附答案) 1 Dear Jack, Next Saturday will my birthday.I’m going to hold a birthday party at home on the evening.It will start at 7:30.Some classmates as good as some foreign friends have been invited.The activities include singing,dancing and sharing interesting experiences.Surely,we’ll have a good time.I would feel honoring if you could come.I live at 656 Minzu Street.You can take Bus No.11 or No.15 and got off at the stop of Guang Ming High School.Justly on the opposite side is my house,what is red with a white door.I’m sure of you can’t miss it.I do hope they will come. Best wish. Yours, Li Hua 2 (2017·昆明市高三复习教学质量检测) I’m one of the students in our class who has ever been to https://www.wendangku.net/doc/5b1326977.html,st summer I was lucky enough to be sent there to study.As soon as I arrived on England by plane.I was picked up by the Smiths,which I would live with for the next two weeks.We felt like a fish out of water when I got there.The Smiths did what they could make me feel at home.I study at an international school,where I met friend from all over the world.I seized the opportunity to practise my speak English.Soon I made such a rapid progress that I received highly praise from all the people around. 答案 I’m one of the students in our class who has have ever been to https://www.wendangku.net/doc/5b1326977.html,st summer I was lucky enough to be sent there to study.As soon as I arrived on in England by plane.I was picked up by the Smiths,which whom I would live with for the next two

高三英语短文改错练习题30篇

高三英语短文改错专项训练(每日一篇) (1) Last Sunday I saw the worst storm in years. It came sudden and went on for over three hours. After lunch, I went into my room to have a rest. The air was hotter, and all is quiet. Then a strong wind started to blow into my room. Pieces of paper on my desk flew high into the air and some flew out the open window. As I ran out to catch them, big drop of rain began to fall. When I came back into house, it was raining harder and harder. I tried very hard to close the window. Then I heard a loudly crashing(碰撞的)sound from the back of the house. When I ran out to find that a big tree had fallen down and broke the top of the back room. (2) I have been planning to join in our college basketball team next year, so now I am spending as more time as I can with other people who likes to play. They are teaching me the most important rules and technologies of the game, and I am getting the better all the time. We have a neighborhood team that play against other teams in the area. One of my neighbors is helping rest of us improved our skills. Tonight we are playing against one of the best teams in the city, and I think we can beat them if we won't make any mistakes. (3) Fang Tong is 34 years old, an actor, director and teacher of Beijing Opera Theater. Most of his students are from other part of China and have come to Beijing at a very young age of sixteen or seventeen. He hopes create an environment for his students that it is much more relaxing than the one he used to study in. He thought that an actor should relax himself when performing. Yet his students deep respect him and he never needs to raise his voice in order to be hearing. For his opinion, actors should go on even when they feel they have made a mistake in their performances because the moment is already gone but people can never be back to it. . . So art is always changing and

2019届高考英语(通用版)二轮复习短文改错专题训练:训练1 短文改错(Ⅰ)(含解析)

专题五短文改错 训练1 短文改错(Ⅰ) A (2019·东北三省四市一模) One of my happiest childhood memories were having dinner with my parents and two sisters.As a result, found that we seldom had a chance to get together, then we decided we would set aside three evenings the week for a sit-down dinner.First we tried setting three fixed days for our experiment—Mondays, Wednesdays or Fridays.After a couple of week of trying this plan, almost everyone was unhappy.For a while, the kids began to resist the idea.They said they would rather to spend the time with their friends or take part in some activities.Gradual, though, they began to see these evenings together for a very different way.We laughed a lot and we discussed about each other's problems.Since a few months, we all felt that we had been able to build much strong relationships with the family than we had before. 【答案】 One of my happiest childhood memories were was/is having dinner with my parents and two sisters.As a result, ∧ having found that we seldom had a chance to get together, then we decided we would set aside three evenings the a week for a sit-down dinner.First we tried setting three fixed days for our experiment—Mondays, Wednesdays or and Fridays.After a couple of week weeks of trying this plan, almost everyone was unhappy.For a while, the kids began to resist the idea.They said they would rather ﹨to spend the time with their friends or take part in some activities. Gradual Gradually, though, they began to see these evenings together for in a very different way.We laughed a lot and we discussed about each other's problems.Since After a few months, we all felt that we had been able to build much strong stronger relationships with the family than we had before. B (2019·河北唐山一模) A new police officer was out for his first ride in a police car with a experienced partner.A call came in told them to break up a crowd of people.The officers drove to the street and observe a

短文改错-备战2020届高考英语必刷30题(解析版)

短文改错 John went shopping in a store, and he forgot to bring a bag. So he buys a shopping bag. After arriving home, it occurred him that he could make a bag by using his old trousers. Several hours earlier, he made himself a very nice bag. His mother was amazing at what he had done. Avoiding spending money unnecessarily is a way of saving. And making a good use of things is an approach to protect the environment. What's more, it is helpful for you to improve the ability to make things by hands. It not only brings us pleasure but reduce waste around us. 1.__________ 2.__________ 3.____________ 4.____________ 5.___________ 6.____________ 7.___________ 8.____________ 9.____________ 10._____________ 【答案】 第一处:and→but 句意为:约翰到一家商店购物,但是他忘了带购物袋。根据句意可知,此处前后为转折关系,并非顺承关系,故将and改为but。 第二处:buys→bought根据前一句中的went shopping可知,此处讲述发生在过去的事情,故应用一般过去时。故将buys改为bought。 第三处:在occurred后加to it occurred to sb.that为固定句式,意为“某人突然想到……”,故在occurred后加to。第四处:earlier→l ater根据上下文语境可知,此处指几小时后,他自己做了一个很好的袋子。故将earlier改为later。 第五处:amazing→amazed amazing用于形容物的性质,意为“令人惊异的",amazed用于描述人的感觉,意为“感到惊讶的”,本句的主语为His mother,指人,故此处应用表示人感觉的形容词作表语,故将amazing改为amazed。第六处:删除a .make good use of sth.为固定搭配,意为“充分利用某物”,a多余,故删除a。 第七处:protect→protect ing .approach后的to为介词,其后应用动名词,作介词to的宾语,故将protect改为protecting。 第八处:you→us根据下文中的“It not only brings us...around us"可知,此处应用第一人称,故将you改为us。第九处:hands→hand. by hand为固定搭配,意为“用手工做……”,故将hands改为hand。 第十处:reduce→reduces本句主语为It,谓语应用第三人称单数形式,设空处与brings为本句的两个并列谓语,故将reduce改为reduces。

高考短文改错专项训练(带答案)

高考短文改错专项练习 1 College students have a little ways to pay their college fees. Many students have their parents to pay the fees. Some students may apply to a bank loan and others will try to find part-time jobs in and out of the campus. Apart from this, many good student can win a scholarship. By this way they can pay at least part of the fees. As to me, I will let my parents pay half of their fees because they are rich enough. Beside my study, I will take up a part-time job by teach some high school students math, physics, chemistry and English, as I’m very good at these important subjects. Of course I will also work very hard at my lessons in order to I can easily win a scholarship. 2 I am angry about the act of dishonesty in the exams. I’m not saying that I’m a good student and that I’ve never cheated. I once write the answer on my hand for a history test but, unluckily, caught by my teacher. Because she was one of my most favorites, there were no words to describe how sorry I felt at once. I thought cheat would help me keep my straight A’s. Little I know that I was hurting not only herself but also my teachers. From this lesson I know teachers want students to succeed by learning with their own and do the best they can, not by cheating.

高考英语短文改错专项训练(附答案解析)

高考英语短文改错专项训练(含答案) 1.【2016·全国新课标I】短文改错(10 分) My uncle is the owner of a restaurant close to that 1 live .Though not very big ,but the restaurant is popular in our area .It is always crowded with customers at meal times .Some people even had to wait outside My uncle tells me that the key to his success is honest. Every day he makes sure that fresh vegetables or high quality oil are using for cooking. My uncle says that he never dreams becoming rich in the short period of time. Instead, he hopes that our business will grow steady. 2.【2016·全国新课标II】短文改错(共10小题,每小题1分,满分10分) The summer holiday is coming. My classmates and I are talking about how to do during the holiday. We can chose between staying at home and take a trip. If we stay at home, it is comfortable but there is no need to spend money. But in that case, we will learn little about world. If we go on a trip abroad, we can broaden you view and gain knowledges we cannot get from books. Some classmates suggest we can go to places of interest nearby. I thought that it is a good idea. It does not cost many, yet we can still learn a lot. 3.【2016·全国新课标III】短文改错(共10小题;每小题1分,满分10分) The teenage year from 13 to 19 were the most difficult time for me . They were also the best and worse years in my life . At the first, I thought I knew everything and could make decisions by yourself. However, my parents didn’t seem to think such. They always tell me what to do and how to do it. At one time , I even felt my parents couldn’t understand me so I hoped I could be freely from them. I showed them I was independent by wear strange clothes. Now I am leaving home to college. At last, I will be on my own, but I still want to have my parents to turn to whenever need help. 4.【2016·四川】短文改错(共10小题;每小题1分,满分10分) It is Mother’s Day today. Though it’s a western festival, it’s popular in China now. Mom has a full-time job, so she has to do most of the houseworks. She is a great mother. Both Dad or I planned to do something on Mother’s Day. We get up early in the morning. Dad cleaned the house, and then went on shopping. When he came back, I found a bunch of flowers in her hand. I asked Mom to stay in the sitting room and I cooked in kitchen. The dishes what I cooked were Mom’s favoritiest. At dinner, we said to her, “Happy Mother’s Day!”Mom was grateful and moving.

(完整版)高中英语短文改错专题练习

高中英语短文改错专题练习(10篇) 答题要求:此题要求改正所给短文中的错误。对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正: 此行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。 此行缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。 此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。 注意:原行没有错的不要改。 A While traveled to Paris on a bus, I became very sick. 1. _______________ A well-dressing man on the bus helped me greatly. He 2. _______________ took me off the bus, found out where the doctor’s office. 3. _______________ and took me to there himself. The next day, he came 4. _______________ to visit me. I didn’t speak French well, so I can’t talk with 5. _______________ him very much. However, even if we couldn’t talk, but 6. _______________ we could communicate. I communicated myself thanks 7. _______________ to his great kindness, and he communicated his concern 8. _______________ for my healthy. Through this experience I have learned 9. _______________ that communication can take place without much actual 10. ______________ language at all. B The Internet is playing a important part in81._____ our daily life. On the net, we can learn about82._____ news both home and abroad and some other83._____informations as well.We can also make phone calls,84._____ send messages by e-mails,go to net schools,and85._____ learn foreign languages by ourselves.Beside,we86._____ can enjoy music,watch sports matches,and play the87._____ chess or cards.The net even help us do shopping,88._____ make a chat with others and make friends with them.89._____ In a word,the Internet has made our life more easier.90._____ C A few months after returning the US from Germany, I took 81. part in a college course in French. Since I have learned to 82. speak German good in Germany, I thought that it might be 83. interested to begin studying another language. At the first 84. class, the teacher asked us to do a pronunciation exercise, 85. in which he would say one word or two in French, and each 86. student would do their best to copy. When he got to me, he 87. kept having me to say more words, and I finally asked him 88.

2019高考英语短文改错真题专题训练(含解析)

2019高考英语短文改错专题 (名师剖析解题思路与技巧+实战训练,建议下载练习) 一.改错题型特点: 高考短文改错是知识和能力的综合测试题型。主要考查考生在语篇中综合运用英语知识的准确性及词、句、篇和语法的综合水平。高考短文改错设置的考点灵活多变,知识层次多,覆盖面广,包括词法、句法、行文逻辑以及语篇结构等,是一种在较高层次上考查考生对英语知识的掌握和语言综合运用能力的测试题型。 二.短文改错常见考点设置: 考点1:名词 命题特点: 本来用复数,却用单数;本来用单数,却用复数。 记住常考的几个不可数名词:news, work(工作), advice, fun, progress, information, luck, weather, music, health, change(零钱),baggage(行李), luggage(行李),furniture, jewellery, equipment等 改正方法: (1)根据名词前的修饰限定成份(2)根据上下文的逻辑关系. 1. She said that she and my schoolmate all wished me success. 2. After class we become stranger at once. 3. They want me to devote all my time to my studies so that I’ll get marks in all my subject. 4. On the way up I was busy taking picture since the scenery was so beautiful. 5. There are advantage for students to work while studying at school. 6. Now we can get millions of informations from the Internet. 7. He had no ideas that the kitchen was not for guests. 8. She is one of the most intelligent girl in our class. 9. I looked at his other hands. 10. Most of them are peasant and some often go fishing in the sea. 11. We have made great progresses with Mr. Liu teaching us. 12. Head teacher Guy Holloway said the new rules should help students get higher grade. 13. He was tall, with broad shoulder and a beard that turned from black toward gray over the years. 14. He’s getting married next month and decides to buy some furnitures.

高考英语短文改错专项训练及答案

2016年高考英语短文改错 专项训练 1 (含答案)

文中共有10处语言错误,每句中最多有两处,每处错误仅涉及一个单词的增加、删除或修改. 增加:在缺词处增加个漏字符号(∧),并在其下面写出该加的词. 删除:把多余的词用斜线()划掉. 修改:在错的词下划一横线,并在该词下面写出修改后的词. 注意:1. 每处错误及其修改均仅限一词; 2. 只允许修改10处,多者(从第11处起)不计分. 2016年高考英语短文改错专项训练1

1. I can’t swim b ut I have a strong fear of water. Look back at my childhood, I think that three reasons might explain fear. Firstly, I am not allowed to go near the water when I was a child, as my mother had an unreasonable fear of it. Therefore, I was taught to see to the water as something danger. Secondly, my eyes became bad when I was five. If I took off my glass in the water, I couldn’t see something, and this increased my fear. What’s worse, for a child I once saw a neighbor drowned. Since then I have been more frighte ning. 2. Boys and girls, May I have your attention, please? I have anything important to tell you. Next Sunday afternoon , our class was going to hold an English story-telling competition in lecture hall. Everybody is required to take part in the activity. Two foreign teacher will be invited to act as judges. The activity will benefit from you in many ways. For example, it will give us a good chance to practicing your oral English and train your communication skills. However, it will inspire your interest at English. The requirements are as follows. First, the story can be original. That is, the story must be made up by yourself. Second, the story must be . presented in English. Finally, your story must be finished within three minutes. That’s all, thank you 3. Dear Jack, I am pleasing to hear from you and know that you had a greatly time working part-time in a fast-food restaurant. Now I would like to share your working experiences with you during the past summer. In the beginning of the summer vacation, I was hired as shopping guide in a big supermarket. I stood for ten hours a day and smiled to everyone I have met. Sometimes I was laughed at, and most of the time, I was praised for my wonderful works by many people. Half a month passed quickly after I knew it, and I learned how to deal with different people. Above all, I have learned that smile is the key to solve any problem. Best wishes, Yours Sincerely, Li Ming

短文改错专项练习高考真题

预习案 近年高考,英语短文改错题,学生和老师都认为难度不大,然而,每年高考中部分同学还是对此深感头疼, 主要原因:一、英语基础知识不扎实 二、对短文改错题的考点不了解 三、最欠缺是行文逻辑能力,学生上下文联系呼应及翻译能力有待增强 目标:1、学生能加强对短文改错题型的了解, 2、通过针对性练习,学生能增强自信心和做题的准确度 重点:时态语态、逻辑一致 难点:逻辑一致 (每题一处错误) 1.My father and I stayed at the South Lake Hotel for a week when we visit Beijing last month. 2.The book you borrowed from the library should returned in five days. 3.Therefore, I told them interested stories and how I was enjoying Brazil. 4.In early January this year, the rate of UFO reports was steady, around three per weeks. 5.Unfortunate, the only problem was the journey home. 6.I knew that they would be worried about me because I was so farther away. 7.I’m sorry that I am abroad and can’t send your flowers. 8.There was one on particular I’d always wanted. 9.It is such great hotel that I would recommend it to any friend of mine. 10.In the end, we drove to a service station and waited there unless the road was clear. 11.He said it was best to stay until help arrived rather than go into the forest and getting lost. 预习案 近年高考,英语短文改错题,学生和老师都认为难度不大,然而,每年高考中部分同学还是对此深感头疼, 主要原因:一、英语基础知识不扎实 二、对短文改错题的考点不了解 三、最欠缺是行文逻辑能力,学生上下文联系呼应及翻译能力有待增强 目标:1、学生能加强对短文改错题型的了解, 2、通过针对性练习,学生能增强自信心和做题的准确度 重点:时态语态、逻辑一致 难点:逻辑一致 (每题一处错误) 1.My father and I stayed at the South Lake Hotel for a week when we visit Beijing last month. 2.The book you borrowed from the library should returned in five days. 3.Therefore, I told them interested stories and how I was enjoying Brazil. 4.In early January this year, the rate of UFO reports was steady, around three per weeks. 5.Unfortunate, the only problem was the journey home. 6.I knew that they would be worried about me because I was so farther away. 7.I’m sorry that I am abroad and can’t send your flowers. 8.There was one on particular I’d always wanted. 9.It is such great hotel that I would recommend it to any friend of mine. 10.In the end, we drove to a service station and waited there unless the road was clear. 11.He said it was best to stay until help arrived rather than go into the forest and getting lost. 探究案

相关文档
相关文档 最新文档