冀教版九年级英语上册Unit5同步练习含答案

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1、Unit5LookintoScience一、单项选择1.Theriverswillbecomedirtieranddirtier wetakeactiontoprotectthem.A.sinceB.ifC.untilD.unless2.ThoughI thephonenumbermanytimes,theforeignerstillcouldn'twriteitdown.A.repeatedB.refusedC.researchedD.recognized3.---Willyoufixupthemachin

2、eaccordingtothe ,David?---Noproblem.A.instructionsB.inventionsC.invitationsD.interviews4.It'sgettingcolderandcolder.Isuggest somewarmclothes.A.buyB.tobuyC.boughtD.buying5.Thehouse twobedrooms,onekitchenandonelivingroom.A.ismadeofB.ismadefromC.ismadeintoD.is

3、madeupof6. sheknewallherfriendswouldbethere,shedidn'twanttogo,yet.A.EvenifB.BecauseC.AssoonasD.However7.Ifyou thebook,you'llfindsomethingsurprising.A.turndownB.turnonC.turnoffD.turnover8.Therearemanyoldpeople aretakingawalkinthepark.A.thoseB.whichC.thatD.wh

4、om9.Thoughtisthekey opensthedoorsoftheworld.A.whyB.whereC.whichD.who10.Jamieisayoungcook wantstoimproveschooldinners.A.whoB.whoseC.whomD.which二、完形填空Haveyoueverheardofthesatellite(卫星)calledtheEarlyBird,whichwasbuiltbyagroupofscientistsfrom14countries?Uptilln

5、owdozensofsatelliteshavebeenputinto11 andtheyhelppeopleinmanyways.Youcanspeaktopeopleontheothersideoftheworldoverthetelephonewiththehelpofasatellite.Theycanhelptotakethephotosoftheearthandother12 .Somepicturestakenbythesatellitesshowustherightplaceswheredif

6、ferentmetalscanbe13 .Theycanalsotellthedifferencebetweenhealthyplantsandpoorones.Thisisagreat14 tothescientistswhoworkintheforestsandinagriculture(农业).Satellitesarequiteusefulinourdailylife.Forexample,satellitesfor15 areusedtosendradioandTVprogramsfromonepa

7、rtoftheworldtoanother.Itisthesatellitesthatmakeourworldseem16 .Anumberofresearchstationshavebeensetuptostudytheouterspace.Inthepast,itwasdifficultforthescientiststogeta17 pictureofspacebecauseofthedustyair,18 satellitesmakeiteasier.Theyarebeingusedmoreandmo

8、reto19 informationaboutspacejustlike20 betweenspaceandmen.11.A.roomB.earthC.spaceD.air12.A.moonB.starsC.sunD.sky13.A.foundB.madeC.lostD.put14.A.discoveryB.wonderC.interestD.help15.A.weatherB.communicat