话题题组集训 话题十一 生态环保·巩固提升三轮冲刺-【一战成名】 2023河南中考英语题型题组集训

2023-06-08
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河南英语·提升训练册  话 题 题 组 集 训 人与自然  话题十一 生态环保 一、选择型阅读理解 IfyougotosouthwestofAmerica,you mightgettoseesailingstones.Sometimes, stonesinthesouthwesterndesertmoveby themselves.Sometimestheytravelmorethana hundredmeters.Theyalwaysleaveatrail(痕 迹)inthesandbehindthem.Itisuseful, becausewecanlookatthetrailandfigureout theexactdistancethatastonehasmoved. Howisthispossible?Scientistshavebeen studyingthisforyears.Oneoftheearliest theories(理论)wasthatwindpushedthe stones.Thattheoryisntcorect,becausesome ofthestonesweighmorethan300kilograms. Somepeoplesaidthataliens(外星人)were movingthestones,andotherssaidthatclever peoplewereplayingajoke. Finaly,in2013,ascientistcameupwith anexplanationforthesailingstones.Hefound outthaticeformsonthebotomofthestones. Whenthathappens,evenaverylightwindcan pushthestoneforlongdistances. Toprovehistheory,thescientistdidan experiment.Heputarockinhisfridgeandlet someiceformonit.Then,heputsandanda litlewaterinatray(托盘).Finaly,heput hisfrozenrockontopofthesand.Whenhe blewontherock,itmoved.Evenwhenheblew verygently,hehadnoproblem movingthe rock. Heressomethinginterestingaboutthe sailingstones.Curiouspeoplevisitthedesertin thesouthwesttoseethem.Manypeopleprefer tofeelthatthestonesarestilamystery. (A )1.Theunderlinedword“It”refersto     . A.thetrailofthestones B.theshapesofthestones C.theweightofthestones D.thedistanceofthestones (A )2.Whatdidntthescientistneedforhis experiment?      A   B C   D (C )3.Whattheorieshavebeenproposed (提出)byscientistsaboutsailing stones? a.Thewindpushedthestones. b.Thestonesweremovedbyaliens. c.Thesandunderthestonesis diferent. d.Cleverpeoplewereplayingajoke aboutstones. A.a,c,d B.a,b,c C.a,b,d D.b,c,d (C )4.Whichofthefolowingstatementsis NOTtrue? A.Thesailingstonesarein the Americansouthwest. B.Scientistsstartedstudyingthe sailingstonesbefore2013. C.Before,scientistsdidnthaveany theoriesaboutthesailingstones. D.Somepeoplesuggestedthataliens weremovingthesailingstones. (D )5.Whatsthebesttitleforthetext? A.Whatarethesailingstones

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话题题组集训 话题十一 生态环保·巩固提升三轮冲刺-【一战成名】 2023河南中考英语题型题组集训
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