选修八unit23知能演练轻巧夺冠

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1、Ⅰ.完形填空Therehavebeenmanygreatinventions,thingsthatchangedthewaywelive.Thefirstgreatinventionwasonethatisstillveryimportanttoday－thewheel.Thismadeit__1__tocarryheavythingsandto__2__longdistances.Forhundredsofyearsafterthattherewerefew__3__thathadasmucheffectasthe__4__.Then

2、intheearly1800’stheworldstartedtochange.Therewaslittle__5__andleftintheworld,peopledidn’thavetoexplore__6__anymore.Theybegantoworkinsteadtomakelifebetter.Inthesecondhalfofthe19th__7__,thereweremanygreatinventions.Thehelicopterin1909.__8__withsoundin1926.Thecomputerin1928

3、,andjetplanesin1930.Thiswasalsoa__9__whenanewmaterialwasfirstmade.Nyloncamein1935.Itchangedthekindofclothespeople__10__.Bythistimemostpeoplehadaverygood__11__.Manhasadesiretoexploreagain.Theworldwasknowntomanbutthestarswerenot.Manbeganlookingfor__12__togointospace.Russia

4、madethefirst__13__.ThentheUnitedStatestookastep.Sincethenother__14__,includingChinaandJapanmayhavemadetheirstepsintospace.In1969mantookhisbiggeststepfromtheearth.Americansfirst__15__onthemoon.Thisiscertainlyjustabeginningthought.Newinventionswillsomedayallowustodothingsw

5、ehaveneveryetdreamedof.【文章大意】　发明如何影响了人类的生活.1．A.better　　　　　　B．heavierC．lighterD．easier解析:选D.较容易,较方便.2．A.travelB．goC．runD．fly解析:选A.轮子的发明使得人类可以搬运较重的物品,以及进行长距离的旅行.3．A.discoveriesB．inventionsC．inventorsD．findings解析:选B.指“发明”.4．A.carB．truckC．wheelD．jet解析:选C.数百年过去了,人类世界再也没有出现像轮子

6、一样起到如此重要作用的发明.5．A.unknownB．famousC．understoodD．unexpected解析:选A.世界上的大部分都被人类所认知和了解.6．A.moreB．manyC．fewD．much解析:选D.人类不需要再进行探索和开发；much加强语气.7．A.countryB．periodC．centuryD．age解析:选C.在19世纪后半段出现了许多伟大的发明.8．A.GamesB．MoviesC．EventsD．Sports解析:选B.1926年出现有声电影.9．A.timeB．generationC．eraD．

7、term解析:选A.在这段时间还出现了一种新的材料.10．A.putB．wearC．dressD．have解析:选B.1935年,人类发明了尼龙.它改变了人类衣服的材质.11．A.manB．animalC．personD．life解析:选D.在这段时间,人类过上了很好的生活.12．A.coursesB．waysC．distancesD．means解析:选B.人类开始寻找方法进入太空.13．A.stepB．processC．measureD．procedure解析:选A.俄国首先迈出了第一步.14．A.statesB．nationsC．c

8、ountriesD．towns解析:选C.接着,中国和日本等国也跨入了这个行列.15．A.ranB．swamC．walkedD．paced解析:选C.1969年,地球上的人类迈出了最重大的一步.美国人首先登