人教版高中英语必修一unit4earthquakes语篇演练(二十)

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1、-Unit4Earthquakes语篇演练(二十)时间安排：第七周·周三演练题型：阅读理解2篇建议用时：15分钟答案栏：1～4____________5～8____________AInsectsareusuallyquitesmall,someofwhichmaybeaninchortwolong.Butscientistsnowsurmisethatcreatureslikethesewereonceverylarge.Recently,theyhavefoundfossils(化石)ofhugecockroaches,which

2、arebugs(虫子)withsixlegsthatarestillaroundtoday.However,theysaythattheystillneedmoreevidence.Afewyearsago,scientistsfoundthefossilsofaclaw(爪子)inGermany.Itwasfoundinaplacethatwasonceanareaoflandcoveredbywater.Theythoughtthattheclawbelongedtoaseascorpion(海蝎).Thentheyputitto

3、getherintheshapeofthebody.Theywereamazedatitssize.Howbigwasit?Itwasreallybig.Theclawwasafootandahalflong.Thatwouldmakethebugeightfeetlong!Thatisthesizeofasmallcar.Itisbiggerthanthetallestofmen.Scientistswereveryexcitedtohavefoundthefossilofthelargestbugeverknown.Imagine

4、alargebugwalkingacrossyourkitchenfloor!Imaginewatchingthebugdrinkwaterfromapool!Thatwouldbeveryfrightening.Humanswereneverindangerfromthisbug.Theseascorpionlived400millionyearsago.FishlivedonEarththen,butdinosaursdidnot.Theseascorpionlivedabout150millionyearsbeforedinos

5、aurs.Hugeseascorpionslivedformanyyears.Theyhadnoenemiesuntilfishbegantogrowlargeteeth.Thenfishbeganeatingthem.Finally,hugeseascorpionsdiedout.Fortunately,atleastoneseascorpionleftaclawbehindbutitbecameashardasstone.Thenonedayitwasdiscovered,andthisistheclawthatthescient

6、istsfound.Nowscientistsbelievethatmorebugsfromlongagowerealsoverylarge,eventhoughthesecreaturesaresmalltoday.Onlymorefossildiscoverieswilltell.1．Accordingtothetext,thescientistsinGermany________.A．foundthefossilsofmanyhugebugsB．foundoutwherebugslivedlongagoC．foundthefos

7、silsofaseascorpion'sclawD．foundoutthatbugslivedbeforehumans2．HowdoestheauthordescribethesizeoftheseascorpioninParagraph3?A．Bycomparingitwithacarandaman.B．Byshowingthefooditateeveryday.---C．Byexplaininghowitgotsobigasyearspassedby.D．Bydescribingwhenthingshappenedinacerta

8、inorder.3．Whydidhugeseascorpionsexistforalongtime?A．Theywerelargerthananyotheranimals.B．Therewasenoughwaterfor