《年仁爱版八年级上 Unit 4 Amazing Science Topic 2周末作业》由会员分享，可在线阅读，更多相关《年仁爱版八年级上 Unit 4 Amazing Science Topic 2周末作业（5页珍藏版）》请在金锄头文库上搜索。
1、2020年精编仁爱版英语资料 Unit 4 Amazing Science Topic 2周末作业.单项选择。(10分)( )1.Students _ their hair when they are at school.A.dont allow to dye(给染色)B.are not allowed to dyeC.arent allowed to dyingD.arent allowed dying( )2.When was _ umbrella _?A./; inventedB.a; discoveredC.an; discoveredD.the; invented( )3.The c
2、leaners make a great contribution to _ the city clean.A.keptB.keepingC.keepD.be kept( )4.Did you go to Jims birthday party?No, I _.A.am not invitedB.wasnt invitedC.havent invitedD.didnt invited( )5.The dream of flying up into space has _.A.come trueB.come into beingC.come backD.come in( )6.Do you kn
3、ow for _ that it was made in 1980?A.certainB.certainlyC.sureD.doubt( )7._ you finish your homework, you can go out to play.A.As well asB.UnlessC.As long asD.As far as( )8.Its _ that you have been to Shanghai alone.Yes, thats right.A.saidB.reportedC.knowD.certain( )9.Computers are very useful. For ex
4、ample, they can _ sending e-mails.A.be used toB.be used withC.be used forD.be used as( )10.I saw Lucy go to Miss Zhangs home just now.Yes, she is often seen _ Miss Zhang with her housework.A.help B.to helpC.helpsD.helping.情景交际。(5分)A: What a nice camera! 11 B: It was invented by Joseph Nicephore Niep
5、ee.A: Oh, I see. 12 B: In 1827.A: Whats this in English? 13 B: Its called an English Learning Machine.A: 14 B: It may be made of steel.A: 15 B: It is used for helping us to improve our English.A.What did it look like?B.Who invented it?C.It looks like a recorder.D.Where was it made?E.When was it inve
6、nted?F.What is it used for?G.What is it made of ?11._ 12._ 13._ 14._ 15._.完形填空。(10分)Do you like bubble gum(泡泡糖)? Do you know when it was 16 ?In the 1870s, an American discovered bubble gum. 17 name was Thomas Adams. He wanted to find the use for a chicle(一种树胶). Chicle is a Spanish 18 for sticky wate
7、r that comes from one kind of Mexican tree.Mr. Adams wanted to make rubber 19 chicle. He worked in his home while he tried to find a way to make the chicle become stronger. He had a son 20 name was Horatio. He also helped his father now and then.One day, young Horatio began to chew(咀嚼) the chicle wh
8、ile he watched his father work. It did not 21 very good, but Horatio enjoyed chewing it. Then the young boy began to blow bubbles with the new chicle which his father had made. Mr. Adams had discovered bubble gum 22 .Mr. Adams gave up trying to find a way to make rubber. 23 , he wanted to try to sel
9、l the new gum that he had made. He thought 24 people might like the taste, too.He was 25 . Soon, the new gum became more and more popular.( )16.A.createdB.createC.discoveredD.discover( )17.A.HerB.MyC.YourD.His( )18.A.wordB.meaningC.sentenceD.idea( )19.A.ofB.fromC.withD.to( )20.A.whomB.whichC.whoseD.
10、who( )21.A.tasteB.soundC.lookD.smell( )22.A.by mistakeB.by accidentC.in timeD.for example( )23.A.Instead ofB.Because ofC.InsteadD.Because( )24.A.anotherB.otherC.the otherD.others( )25.A.goodB.trueC.rightD.fine.阅读理解。(30分)(A)Cars will run on solar power(太阳能) or electricity and will be much cleaner. Th
11、ey will be much safer. For example, if you are too close to another car or if you are driving dangerously, your car will slow down by itself.Because there wont be any spare land, new cities will have to be built in the sea. Some cities on water will have two levels. People will live on the upper lev
12、el; the lower level will be used for traffic, shops and factories.Biotechnology(生物技术) will make food better and healthier. Plants that are not affected by insects or illnesses will be developed. The taste of fruit and vegetables will be better and food will be kept longer.New technology will be used
13、 to make TVs that are only 5cm thick. They will have pictures that are as clear as photos. Electrical appliances(电器) will be quieter and will be controlled by computer, they will also use 50% less power.Using products of genetic engineering(基因工程产品), many new ways to cure(治愈) illnesses will be succes
14、sful. Cures will be found for the flu and the common cold. However, some new illnesses will appear.根据短文内容，判断正(T)误(F)。( )26.Cars using solar power or electricity will cause fewer accidents and less pollution.( )27.People will be able to live in the new cities in the sea.( )28.Biotechnology will help
15、divide food into two groups: better food and healthier food.( )29.Electrical appliances will save 50% of power because they are controlled by computer.( )30.Genetic engineering can help doctors to cure illnesses.(B)In 1826, a Frenchman named Niepee needed pictures for his business. But he was not a good artist. So he invented a very simple camera soon. He put it in
