2020年精编人教版英语资料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