1、Unit 4 随堂练习1、It is a fact that our products (threaten) by imported goods at present.2、A computer center _(build) in our school and it will be finished in two months.3、Now the troops (inspect) by the president on the square.4、Look! The foreign guests (show around) the factory by Mr. Zhang.5、Coming in
2、to the school, you may find rows of classrooms _ trees standing in front of them.6、Last summer, my uncle went travelling abroad with his clothes (pack) in his suitcase.7、Since the United States of America is a multicultural country, youll find it easy to fit inthe life there within a couple of month
3、s.8、He felt nervous with the whole class(look)at him.9、Id appreciate if you could let me know ahead of time whether or not you will come.10、Its standard practice for a company like this one(employ) a security officer.11、The poor boy, (rub) his hands to keep warm, stood in the wind and waited for his
4、 father.12、The other day I came across an old friend (employ) to take charge of your firm.13、The audience burst into (laugh) because of his funny performance.14、Many countries are now setting up national parks_animals and plants can be protected.15Mr. Smith! How can I achieve high grades in English
5、writing?一First of all, great attention should be paid to(improve) your handwriting. First impression, you know, really counts. 16、 With their furry round heads and big black eyes, Zhongzhong and Huahua look just the same as any other monkey. But they happen to be the worlds first cloned monkeys. Yea
6、rs ago, scientists used cloning techniques to produce Dolly, the worlds first cloned mammal(哺乳动物).They now used the same technique to produce the monkeys in China. In animal cloning, animals are produced in a lab by using DNA that is taken from the cells of a naturally-born animal. To clone Zhongzho
7、ng and Huahua, scientists from the Chinese Academy of Sciences first removed the nucleus(细胞核) from a rnonkeys egg cell. They then put another nucleus taken from the monkeys body cells into the egg cell. The newly-formed egg was put into the womb(子宫) of a female monkey. Finally, Zhongzhong and Huahua
8、 were born. The cloning process is hard, especially removing nucleus. It needs to be done in a fast and precise(精确的) way. The faster you do it, the less damage is done to the egg, according to CAS. Scientist Liu Zhen spent three years practicing removing the nucleus. Unlike common monkeys, cloned mo
9、nkeys have the same DNA as each other. When doing experiments on them, scientists can easily know that certain results are caused by different treatments, rather than different genes. According to Sun Qiang from CAS, most drug trials(药物试验) are done on lab mice. However, drugs that work on mice might
10、 not work on humans. The two species are very different. “Monkeys and humans are closely related and testing on monkeys is supposed to be as effective as testing on humans, Sun added.1. What can we learn about Zhongzhong and Huahua?A. They are naturally-born monkeys.B. They are the worlds first clon
11、ed mammals.C. They are the worlds first cloned monkeys.D. They are twin sheep that were born by Dolly.2. What do we know about the two monkeys?A. They look different from other monkeys.B. They have the same DNA.C. Their body cells dont have any nucleus.D. They can live for only three years.3. What c
12、an we learn from Paragraph 4?A. Removing the nucleus is difficult.B. The cloning process is very safe.C. It took three years to remove the nucleus.D. It is impossible to clone other animals.4. Why do scientists want to do drug tests on monkeys?A. Because its easier to use them for tests.B. Because t
13、here are not enough mice.C. Because drugs work well on monkeys.D. Because monkeys are similar to humans.17、Hello. Im Jan from Mrs. Lakes class. My class wants to work together to help the public. We think we have found a great way to do this. Last month we did a class project on the highways near ou
14、r town. We learned about the Adopt-a-Highway Programme. This programme brings people together to pick: up litter along the roads. We think it is a great idea for all students in our school to join the programme and adopt a highway. Adopting a highway is not like adopting a pet. When a highway is ado
15、pted, only part of the highway is cared for by a group of people. The group agrees to work every week to keep its part of the highway clean. Each group gets its own sign that has the name of the group printed on it. The sign is put up at the side of the road. This sign lets drivers know who is keepi
16、ng that area of the road CIS? The Adopt-a-Highway Programme is a great way for people to help their environment look nicer. Also, the government does not have to send out many read workers. This saves money. Finally, people may harder to keep roads clean if they see people, especially teenagers like
17、 us，cleaning them up. We need helpers to care for our adopted highway. If you want to feel great and keep our roads clean, please come with your parents to the meeting next week. We will meet in Mrs. Lake-S room on Wednesday at 6:00 p. M. At the meeting, we will talk about which roads are the dirtie
18、st as a result of peoples unkind acts. Then we11 try to pick an area to adopt and clean up.I am looking forward to seeing you at the meeting. Remember to keep our reads clean!1. What is the Adopt-a-Highway Programme about?A. Giving names to the highways. B. Drawing pictures of highways. C. Picking u
19、p litter along the roads. D. Putting up signs near the roads.2. What should the students do first if they want to join the programme?A. Pick a spot to care for. B. Call Mrs. Lake next week.C. Write a letter to their parents. D. Go to the meeting on Wednesday.3. What is the purpose of this speech?A.
20、To encourage students to join the programme.B. To introduce the traffic system. C. To show drivers how to drive safely.D. To tell a story about adopting a pet.4. Which of the following can be the best title for the passage?A. Adopt-a-Pet. B. Adopt-a-Highway.C. Ways to Protect the Environment.D. Volu
21、nteers on Roads.18、假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处。每处错误仅涉及二个单词的增加、删除或修改。增加:在缺词处加一个漏字符号(),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。 Once there were two mouses, a city mouse and a country mouse. They were distant relativ
22、es. One day the city mouse who lived in a big house wrote a letter to the country mouse inviting him to coming for a visit. Delighted with, the country mouse accepted the invitation and came to the city mouses house. He was greeted by the city mouse cheerfully. The country mouse was surprised what b
23、ig the house was. The city mouse was pleased and led the country mouse to the kitchen. When it climbed up the table, there was a large piece of bread, fruit and cheese in it. But just as they began to eat, they heard great noise. The city mouse cried, “Run! Run! The cat is coming!?” They ran away qu
24、ickly and hid. Breathe heavily after hiding in the mouse-hole, the county mouse said to the city mouse, “I should went back to my house in the country. Even if I eat nothing but beans, I can live peacefully. Why dont you come with me to the country? It is nice to be poor and happy than to be rich an
25、d afraid. 答案以及解析1答案及解析：答案：1.客观填空 are being threatened解析：考査现在进行时的被动语态。 句意:现在我们的产品正受到进口商品的威胁,这是亊实。从句主语our products与threaten是被动关系,又根据时间状语at present可知用现在进行时,故填are being threatened。 2答案及解析：答案：is being built解析：表示一个正在进行的被动的动作应用现在进行时的被动语态。 3答案及解析：答案：1.客观填空 are being transported解析：句意:此刻在广场上,部队正在接受总统的检阅。由时间状语
26、Now可知,要用现在进行时;troops和 inspect之间是被动关系,故用现在进行时的被动语态。 4答案及解析：答案：1.客观填空 are being shown around解析：句意:看!一些外国客人正在由张先生带着参观这个工厂。根据句中的Look可知,要用现在进行时,同时The foreign guests与show around之间为被动关系,故用现在进行时的被动语态。 5答案及解析：答案：with解析：此处考査with的复合结构。句意为:走进校园,你会看到一排排教室,教室前种着树。with trees standing in front of them是with的复合结构中的一种
27、,即with + sb/sth +现在分词。 6答案及解析：答案：1.客观填空 packed解析：考查with复合结构。句意:去年夏天,我叔叔带着装着衣服的行李箱去国外旅行了。clothes与pack是逻辑上的动宾关系,因此用动词-ed形式作宾补。 7答案及解析：答案： with 解析： 句意:由于美国是一个多元文化的国家,你会发现在几个月内很容易适应这里的生活。本题考査动词短语。fit in with 适应。 8答案及解析：答案： looking解析： 考査with的复合结构。句意:当全班同学都看着他的时候,他感觉紧张。分析句子结构可知,此处使用了 with 的复合结构,空处作宾补,且the
28、 whole class与look之间是逻辑上的主谓关系,故填looking。【知识拓展】with +宾语+宾语补足语构成with的复合结构,宾语可以是名词或代词,宾语补足语可以是介词短语、过去分词、现在分词、形容词、动词不定式、副词。 9答案及解析：答案：1.客观填空 it解析：考查代词。句意:如果你能够让我提前知道你是否要来,我将不胜感激。Id appreciate it if.是惯用法。 10答案及解析：答案： to employ解析： 句意:对于像这样的一家公司来说,雇用一位保安是常规做法。本题考查非谓语动词。分析句子结构可知句首的It是形式主语,“to employ a securi
29、ty officer”为真正的主语,do sth.”为不定式的复合结构。 11答案及解析：答案：解析：答案:1.客观填空 rubbing解析:考查非谓语动词。句意:这个可怜的男孩站在风里等着他的父亲,搓着双手保暖分析句子结构可知,空处为非谓语;rub与主语boy是逻辑1:的主谓关系,因此用动词-ing形式作状语。 12答案及解析：答案：1.客观填空 employed解析：考查非谓语动词。句意:前些天,我偶然遇到一位老朋友,他受雇管理你们的公司。employ与an old friend 之间是逻辑上的动宾关系,故用动词-ed形式作后置定语。 13答案及解析：答案：1.客观填空 laughter解
30、析：考查固定搭配。句意:他滑稽的表演引起了观众的放声大笑。burst into laughter为固定搭配,意为放声大笑。 14答案及解析：答案：where/in which解析：where/in which句意:很多国家现在都在建立国家公因,在那里动物和植物能够受到保护。本题考查定语从句。先行词为national parks,代入到从句中为: In the national parks animals and plants can be protected.故填where/in which。 15答案及解析：答案： improving 解析： 句意:史密斯先生!我怎样才能在英语写作中取得高分
31、?首先,要重视提高你的书写。你知道,第一印象很重要。本题考査非谓语动词。pay attention to中to是介词,因此后接动名词作宾语。 16答案及解析：答案：1.C; 2.B; 3.D; 4.D解析：1.细节理解题。由第一段的 Zhongzhong and Huahua look just the same as any other monkey. But they happen to be the worlds first cloned monkeys.可知,中中和华华是世界上首对克隆猴。故选C项。2.细节理解题。由倒数第三段第一句Unlike common monkeys, clon
32、ed monkeys have the same DNA as each other.可知,这对克隆猴的DNA彼此相向。故选B项。3.细节理解题。由第四段的 The cloning process is hard, especially removing nucleus, 和Scientist Liu Zhen spent three years practicing removing the nucleus.可知,克隆过程很难,尤其是移除细胞核,它需要.以快速而精确的方式完成。科学家刘真花了三年吋间练习移除细胞核,故选A项。4.细节理解题。根据最后一段的Monkeys and humans
33、are much closely related and testing on monkeys is supposed to be as effective as testing on humans 可知,猴子和人类比较接近,科学家希望对猴子的实验和对人类的实验一样有效,所以科学家想用猴子做药物实验。故选D项。 17答案及解析：答案：CDAB解析：1. C 细节理解题。根据第一段中的“This programme brings people together to pick up litter along the roads. ”可知答案为C项。 2. D细节理解题。根据文章第四段第二、三句可
34、知如果想加入这个行列可在周三参加会议，故答案为D 项。 3. A 推理判断题。第一段作者提出了 “ Adopt-a- Highway Programme ” 这项活动，第二段介绍了参加这项活动的要求，第三段介绍了这项活动的意义，第四段通知有意加入者参加周三的会 议。综合整篇文章可知此项倡议的目的是鼓励学生们参加这项活动，故答案为A项。 4. B 主旨大意题。文章是围绕“ Adopt-a-Highway Programme”展开的，故答案为B项。 18答案及解析：答案： Once there were two, a city mouse and a country mouse. They wer
35、e distant relatives. One day the city mouse who lived in a big house wrote a letter to the country mouse inviting him to for a visit. Delighted with, the country mouse accepted the invitation and came to the city mouses house. He was greeted by the city mouse cheerfully. The country mouse was surpri
36、sed big the house was. The city mouse was pleased and led the country mouse to the kitchen. When climbed up the table, there was a large piece of bread, fruit and cheese it. But just as they began to eat, they heard great noise. The city mouse cried, “Run! Run! The cat is coming!?” They ran away qui
37、ckly and hid. heavily after hiding in the mouse-hole, the county mouse said to the city mouse, “I should back to my house in the country. Even if I eat nothing but beans, I can live peacefully. Why dont you come with me to the country? It is to be poor and happy than to be rich and afraid.解析： 第一处: m
38、ouses mice mouse意为“老鼠”，其复数形式是mice。 第二处：comingcome invite sb to do sth为固定搭配，意为“邀请某人做某事”。第三处：删除with此处为形容词单独作状语，表示状态，with后应接宾语，故删除with。第四处：what how 此处考查感叹句，其句式有：what + ( a/an + ) adj. + n. + 主语+谓语；How + adj./adv. +主语+谓语。此句如果用 what 引导，应为 what a big house it was。第五处：itthey根据下文可知，此处说明两只老鼠都爬上了桌子，故将 it改为 th
39、ey。第六处:inon此句中的it指“桌子”，表示“在桌子上”用介词on。 第七处：在heard后加a noise在此为可数名词，泛指“一个声音”，前面应加不定冠词a。第八处：BreatheBreathing the country mouse 与 breathe 之间是逻辑上的主动关系。故用现在分词作状语。第九处:went go 句意为：我应该回到我在乡下的家。情态动词 should后面应该接动词原形，故将went改为go。第十处:nice nicer句意为:贫穷但快乐要比富有但害怕好。因为此句中有than,所以形容词nice要改为比较级nicer。 考点：现在进行时被动语态 4with 复合结构 3动词短语 1代词 1非谓语动词 4固定搭配 1定语从句 1阅读理解 2短文改错 1