人教新目标(Go for it)版 八年级上Unit 7 Will people have robots 仿真模拟测试题课件(共42张PPT).pptx

Unit7仿真模拟测试题

(时间:90分钟满分:120分)

一、听力理解(本大题分为A、B、C、D四部分，共30小题，每小题1

分，共30分)

(见《听力训练本》)

二、语法选择(本大题有10小题,每小题1分,共10分)

Computersareplayinganimportantpartinpeople’slivesnow.Howmuchdoyouknowaboutthecomputer?_____31____historyofthecomputermayinterestyou.

_____32____isthefatherofthecomputer?AnEnglish_____33____namedCharlesBabbagedesignedthefirstcomputerinthe1830s.Itwasnotelectronic_____34____scientistsdidn’tknowhowelectricityworkedatthattime.Thedesignneededmorethan

50,000movingparts.Themachinewasdesignedtofollow

instructionsthatpeoplegaveby_____35____specialcards.Itwassocomplex(复杂的)thatBabbagenevergotitbuilt,

butpeoplestillseeit_____36____thefirstcomputer.

Thefirstelectroniccomputersappearedinthe1940s.Insteadofmechanicalparts,peopleusedelectronicdevicescalledvacuumtubes(真空管).Thesecomputersweresobigthatjustoneof_____37____couldfillawholeroom.They_____38____millionsofdollars.

Computersimprovedafterpeopleusedthetransistors(晶体管)

insteadofvacuumtubes.Transistorsweremuch_____39____andworkedbetterthanvacuumtubes.Thenewcomputersweresmaller,cheaperandfaster.

ThefirstcomputerswithCPUs_____40____intheearly1970s.ACPUhadmanyverysmalltransistorsononesmallchip(芯片).Itmadepersonalcomputerspossible.AsmoretransistorswereincludedintheCPU,computersbecamefasterandlessexpensive.

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