2015-2016人教版高中英语选修八Unit-22.1.doc

2.1 新提升课时作业.单句语法填空1The brothers look alike, but they differ widely _ each other _ their tastes.2Dont let yourself be cast _ by a small failure in the experiment; try again.3Many teachers strongly object to _(smoke) at school.4While in Japan, we paid a visit to the school founded _ honour of a famous educator.5I wonder how much you charge for your services.The first two are free _ the third costs $30.6He worked hard before the College Entrance Examination, and it paid _. His dream of going to college came true.7The house still needed a lot of work, but _ least the kitchen was finished.8I think he is taking an active part in social work.I agree with you in _ way.9People should stop using their cars and start using public transport._(exact). The roads are crowded as it is.10Danby left word with my secretary _ he would call again in the afternoon.11The old man was in poor health, so the doctor forbade him _(drink) wine.12If you get up early and run every day, you will benefit a lot _ it.答案：1.from; in2.down3.smoking4.in5.while6off7.at8.a9.Exactly10.that11.to drink12.from.完成句子1What the teachers have done _ their students in the future.老师的所为对学生的未来有重大影响。2In the front of the classroom _.教室的前面坐着一位教授。3_ he wanted to buy the expensive clothes; _ he didnt have much money.一方面他想买这件贵衣服，另一方面他又没有很多钱。4It was _ which road to take.对我们来说，很难决定走哪条路。5Some people waste food _.一些人浪费食物，另一些人吃不饱。答案：1has a great impact on2sits a professor3On the one hand; on the other hand4difficult for us to decide5while others havent enough.单句改错1Customs different in different countries._2Three stones cast to the dog before it was driven out._3The twoday break can release the students, but on the one hand, the children may waste too much time on TV or Internet games._4It can be difficult clone a tiger in a short time._5His patience has paid back and he has won the match._答案：1第一个differentdiffer2.cast前加were3oneother4.clone前加to5.backoff.完形填空A clone is an exact copy of a plant or animal _1_ from any one cell. Since Scottish scientists reported that they had _2_ to clone a sheep named Dolly in 1997, research into cloning has grown rapidly. In May 1998, scientists in Massachusetts managed to create two identical calves (牛犊) _3_ cloning technology. A mouse has _4_ been cloned successfully, but the debate over cloning humans really started when Chicago _5_ Richard Seed made a surprising announcement. “We will have managed to clone a human being within the next two years，” he told the world.Seeds announcement _6_ a lot of medias attention. In Europe, nineteen nations have already _7_ an agreement banning human cloning and in the US the President _8_： “We will be introducing _9_ law to ban human cloning and many states in the US will have _10_ anticloning laws by the end of the year.”Many researchers are not so negative _11_ cloning. They are worried that laws _12_ human cloning will threaten important research. In March, the New England Journal of Medicine called any plan to ban research on cloning humans _13_ mistaken. Many researchers also believe that _14_ attempts to ban it, human cloning will become routine because it is _15_ to stop the progress of science.Is there a reason to fear that cloning will _16_ a nightmare world? The public has been bombarded(轰炸) with newspaper articles, television shows and films, _17_ cartoons. Such information is often misleading, and makes people _18_ what on earth the scientists will be doing next._19_ the next five to ten years scientists will probably have found a way of cloning humans. It could be that _20_ soon we will be able to choose the person that we want our child to look like.1A.produces BproduceCproducing Dproduced2A.tried BsucceededCattempted Dmanaged3A.taking BteachingCusing Dlearning4A.too BeitherCalso Das well5A.reporter BphysicistCwriter Dartist6A.aroused BroseCrose up Dwas raised7A.signed BwroteCdrew Darrived8A.spoke BtoldCreported Dannounced9A.the BaCan D/10A.allowed Bagreed Cpassed Dapproved11A.in Bfor Cbeyond Dabout12A.forbidden Bpermitting Cbanning Dreferring13A.seriously Bpersonally Cpartly Dpossibly14A.despite of Bthough Calthough Din spite of15A.possible Bimpossible Clikely Dprobably16A.lead to Bstick to Ccome to Dadd up to17A.as much as Bas many as Cas well as Das good as18A.puzzle Bworry Cwander Dwonder19A.Upon BWithin COut of DAt20A.much Bpretty Ctoo Dmore答案与解析：1解析：produced from any one cell“由任何单细胞产生的”，过去分词短语作定语。a plant or animal与produce之间存在被动关系，因此应用过去分词短语作定语。答案：D2解析：manage to do sth.“设法做成某事”；try to do sth.“努力去做某事”，但不一定成功；succeed不接to do sth.; attempt to do sth.“试图做某事”，但不一定成功。而本句表示做成的一件事情，故选D项。答案：D3解析：using cloning technology“利用克隆技术”。take“带走”；teach“教”；learn“学会”。这三个词均不符合句意。答案：C4解析：also表示“也”，一般放在句中系动词之后、实义动词之前；too用于肯定句的句末，either用于否定句的句末，都通常用逗号隔开；as well用在肯定句中，放在句末。答案：C5解析：Chicago physicist“芝加哥物理学家”。其余三项的人物不可能搞科研。reporter“记者”；writer“作家”；artist“画家，艺术家”。答案：B6解析：aroused a lot of medias attention“引起众多媒体的注意”。rose是rise的过去式，表示“上升”；raised是raise的过去式，表示“抬起，引起，导致”，但此处用被动结构是错的；rise up的含义是“起义，上升”；而arouse的含义是“引起，激发”，符合句意。答案：A7解析：sign an agreement“签署一项协议”。write的宾语不是an agreement，而是文字。arrive at an agreement可表示“达成协议”，但D项中缺少介词at。答案：A8解析：the President announced：.“总统宣布”，spoke, told和reported后都不加冒号。答案：D9解析：.introducing a law“推出一项法律”。第一次提到此法律，用不定冠词。答案：B10解析：will have passed anticloning laws“将会通过反克隆法”。与law搭配的是pass(通过)。allow“允许”； agree“同意”； approve“赞成，同意”。答案：C11解析：be negative about .“否定某事”。答案：D12解析：banning human cloning“禁止克隆人”。虽然forbid也有“禁止”的含义，但应用forbidding，而不是forbidden。答案：C13解析：.seriously mistaken，从上一句中得到参考，任何禁止克隆人的法律都是严重错误的。seriously“严重地”；personally“个人地”；partly“部分地”；possibly“可能地”。答案：A14解析：in spite of和despite为介词(短语)，后接名词、代词或动词的ing形式，though和although是连词，后接从句。答案：D15解析：本段阐述了对克隆人的支持态度，it is impossible to stop the progress of science“要阻止科学的进步是不可能的”。possible与likely均是“可能的”；probably“大概”。答案：B16解析：lead to a nightmare world“导致一个可怕的世界”。stick to“坚持”，come to“想起，复苏”，add up to“总共达”，都不与a nightmare world搭配。答案：A17解析：只有as well as表示“还有”的意义，后接cartoons。as much as“像一样多”，as many as“像一样多”，as good as“像一样好”。答案：C18解析：wonder“想知道”，后接表示疑问意义的从句；puzzle“使迷惑”，worry“担忧”，wander“游逛”，都不接表示疑问意义的从句。答案：D19解析：the next five to ten years是时间段，只能用within，表示“在某个范围之内”。答案：B20解析：pretty“相当地”，含有“very”之义，much一般不修饰副词，too表示“太”，暗示否定意义，more是比较级。答案：B.阅读理解Market research has been done to see if people would accept meat from either cloned animals or the offspring(后代)of clones. A study done by the International Food Information Council in 2007 asked US respondents (调查对象) if they would buy meat, milk, and eggs from cloned animals.Of the respondents, 10% would be “very likely”， 36% would be “somewhat likely”， while 28% would be “not too likely” and a quarter “not at all likely”. The respondents were slightly more favourable (乐于接受的) when asked the same question about the offspring of cloned animals.In the US，the hormone (激素) rBST is given to cows to increase milk production. In the EU and a number of other places such hormone treatment is banned. But even in the US, milk and meat is often labelled (贴标签) as rBST hormone free.The US Food and Drug Administration (FDA)is not requiring labelling for meat from cloned animals or offspring of clones because its position is that there is no scientific difference between that and noncloned meat. It has said it will permit voluntary labelling.And despite the scientific evidence it gave, there are still plenty of critics against its position on cloned meat. After the 2008 guidance was published, Senator Barbara Mikulski said: “The FDA has acted recklessly and I am very disappointed in their rush to allow cloned foods. Just because something created in a lab doesnt mean we should have to eat it. If we discover a problem with cloned food after it is in our food supply and its not labelled，the FDA wont be able to recall it. ”1Whats the aim of the International Food Information Councils study?ATo prove cloned foods are safe.BTo persuade people to eat cloned foods.CTo find the possible bad effects of cloned foods.DTo know peoples attitudes towards cloned foods.2The under