Unit 4 Topic 1 Section B 习题

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1、Unit4AmazingScienceTopic1SectionB习题一、词汇检测1.Areyou_______（认真）?Youcan'tjustgiveupyourjobandgoabroadalone.2.NanPansanshugets_______(富有的)fromwriting.3.Ice_______(形成)atthetemperatureof0℃.4.Thedriverwas_______(惩罚)fordrivingafterdrinking.5.Theysaytheywilldoa_______(调查)beforetheymakethedecision.6.

2、Iusedtobeafraidofstayinginan_______(空的)roomalone.7.Howdotheydecidewhatto_______（生产）intheirfactory?8.---Youdidyourhomeworktoo_______.There’resomanyspellingmistakes.---Sorry.Iwillbecarefulnexttime.9.---Thebooksaystreescanhelpkeepsoilin_______duringstorms.---That'swhyweneedtoplantmoretrees.10

3、.---Whydoyouworkfor15hoursaday?---Ihaveto.Mywifeandmydaughter_______onmefortheirliving.二、单项填空()l.---Put_______wastebagintothedustbin,please.---It'snot_______wastebag.It'smyshoppingbag.A.the;aB.a;theC.a;aD./;the()2.Thefactory______itswasteintotheriver,butnowitrecyclesthewasteinanewway.A.use

4、dtoputB.isusedtoputC.usedtoputtingD.isusedtoputting()3.---Wemustactnowbecausetimeis_______.---Yes.Let'sstart.A.comingoutB.givingoutC.cuttingoutD.runningout()4.---You_______behappywiththestrongpublicsupportyou'vereceived.---Yes,you'reright.I'mreallyexcited.A.mustB.mayC.canD.need()5.---What'

5、sthenameofthesongyousangjustnow?It_______beautiful.---ItisWhenChristmasComestoTown.A.wassoundedB.soundedC.washeardD.heard()6.Itisabadhabittoleavetheofficewithout_______thelights.A.puttingoutB.closingC.ffD.turningoff()7.---Manytrees_______lastyear.---Yes,wemustdosomethingtostoppeoplefromdoi

6、ngthat.A.arecutdownB.havecutdownC.werecuttingdownD.werecutdown()8.---Mayweleavetheclassroomnow?---No,you_______.You_______toleaveuntilthebellrings.A.can't;aren'tallowedB.mustn't;areallowedC.needn't;areallowedD.needn't;aren'tallowed()9.---Whichsportareyouinatthe,schoolsportsmeeting?---Nodec

7、isionyet.Ithinkit_______afterdiscussingitwithMrZhao.A.wasdecidedB.willbedecidedC.willdecideD.isdecided()10.---Wouldyoulike_______theenvironment?---Yes,I'dloveto.A.helpprotectB.helpingprotectingC.tohelpprotectingD.tohelpprotect()11.Theheavyrain_______somanytraf