第三部分 九年级上册第二单元预习检测-2023年八年级下册初二英语【暑假复习培优】仁爱科普版

第 三 部 分 探 究 先 飞 九年级上册第二单元预习检测 一、单项选择。 ( )1.— When heleaveforthe city? — He nextweek. A.does;willeave B.does;leaves C.has;hasleft D.wil;leaves ( )2.—It􀆳salongstory,butyoucan hardlyfindnewwordsinit. — Good! itwilbetoo hardforchildren. A.So B.And C.But D.Or ( )3.— What Itosaytohim? — Telhimtosavewater. A.shal B.wil C.should D.ought ( )4.Heistal, hissonis short. A.when B.or C.while D.and ( )5.Inourlife,wemayfailmanytimes, butweshouldnever . A.shutoff B.giveup C.takeaway D.runout ( )6.Sheboughtaskateboardonline shesavedalotoftime. A.sothat B.assoonas C.suchthat D.nomatter ( )7.Everystudentis toobey theschoolrules. A.suppose B.supposed C.should D.ought ( )8.AfarmerinEnglandusedanimal wasteto hismachine. A.manage B.use C.run D.start ( )9.Yououghttoreturnthebooktothe schoollibrary .Other studentswilborrowit. A.attimes B.intime C.ontime D.atthesametime ( )10.IalwaysenjoyvisitingLondon. Iwouldn􀆳tliketolive there. A.Because B.So C.But D.And 二、完形填空。 Foryearsscientistshavebeenworried abouttheeffectsofairpolution onthe earth􀆳snaturalconditions.Somebelievethe airinsidemanyhousesmaybemoredanger- ousthantheairoutside.It maybeone hundredtimes 1 . Indoorairpolutioncan 2 aperson tofeeltired,haveaheadacheandotherprob- lems.Somepolutants(污 染 物)cancause breathingdisorders(紊乱),diseasesofblood and 3 cancer. Mostscientistsagreethat 4 modern househassomekindofindoorpolution. Whenmodernbuildersbuildhouses,theyuse man-madebuildingmaterials.Thesematerials 78 第 三 部 分 探 究 先 飞 produce 5 gases. Astheproblem becamemoreserious, scientistsbegansearching 6 awayto solveit.They 7 thatgreenplantscan controlairpolution.They believethata plant􀆳sleavesabsorb(吸收)polutants.And theplantletsoutoxygen 8 itsleaves. Scientistssuggestthatal buildingsshould haveonelargeplantorseveralsmalplants insideforeveryninesquaremetersofspace. Itissaidthateachkindofplantsabsorbs somekindsof 9 . Sothemosteffectivewaytocleantheair istousedifferentkindsofplants. 10 greenpla