阅读理解。 |
Scientists(科学家)aretryingtomakethedeserts(沙漠)intogoodlandagain.Theywanttobring watertothedeserts,sopeoplecanliveandgrowfood.Theyarelearningalotaboutthedeserts.But moreandmoreoftheearthisbecomingdesertallthetime.Scientistsmaynotbeabletochangethe deserts.Scientiststhinkthatpeoplemakedeserts.Peoplearedoingbadthingstotheearth. Someplacesontheearthdon’tgetverymuchrain.Buttheystilldon’tbecomedesert.Thisisbecausesomegreenplantsaregrowingthere.Smallgreenplantsandgrassareveryhelpfultodryplaces.Plants don’tletthehotsunmaketheearthevendrier.Plantsdon’tletthewindblowtheearthaway.Whena littlebitofrainfalls,theplantsholdthewater.Withoutplants,thelandcanbecomeadesertmuchmore easily. |
1.Whycanthelandbecomeadesert? A.Someplacesdon’tgetverymuchrain B.Plantsdon’tletthehotsunmaketheearthevendrier. C.Peopledon’tkeeptheearthwell D.Scientistshaven’tlearntenoughaboutthedeserts. 2.Scientists______tomakethedesertsintogoodlandagain. A.carrywater B.growfood C.donothing D.studyalot 3.Whichisnottrue? A.Thelandneverstopsbecomingdeserts. B.Scientistsaskthepeopletoliveinthedesertsandgrowfoodthere. C.Peopledobadthingstotheearth. D.scientistsmaynotbeabletochangethedeserts. 4.Whyaregreenplantsandgrasshelpful? A.Theycanholdthewater. B.Theycanstopthewindfromblowingtheearthaway. C.Theycankeeptheearthwet. D.Alltheabove. 5.Whichisthebesttitle(题目)forthepassage? A.TheDesertProblem B.PeopleMakeDeserts C.GreenPlantsandGrass D.TheDesert,theTreeandtheWater |
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