2020版高考英语总复习unit4earthquakes课时作业必修1

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1、Unit4EarthquakesⅠ.阅读理解AMandaraseemedtoknowsomethingbigwasabouttohappen.Sosheletoutayell,caughtholdofhertwo-year-olddaughterKibibiandclimbedupintoatree.ShelivesattheNationalZooinWashingtonD.C.AndonTuesday,August23rd,witnessessaidsheseemedtosensethebigearthquakethatshookmuchoftheEast

2、Coastbeforeanyhumansknewwhatwasgoingon.Andshe?snottheonlyone.Inthemomentsbeforethequake,anorangutan(猩猩)letoutaloudcallandthenclimbedtothetopofhershelter.“It?sverydifferentfromtheirnormalcall,”saidBrandieSmith,thezookeeper.“Thelemurs(monkeylikeanimalsofMadagascar)willsoundanalarmift

3、heyseeorhearsomethinghighlyunusual.”Butyoucan?tseeorhearanearthquake15minutesbeforeithappens,canyou?Maybeyoucan—ifyou?reananimal.“Animalscanhearaboveandbelowourrangeofhearing,”saidBrandieSmith.“That?spartoftheirspecialabilities.They?remoresensitivetotheenvironment,whichishowtheysur

4、vive.”Primatesweren?ttheonlyanimalsthatseemedtosensethequakebeforeithappened.Oneoftheelephantsmadeawarningsound.Andahugelizard(蜥蜴)ranquicklyforthecover.Theflamingos(akindofbirds)gatheredbeforethequakeandstayedtogetheruntiltheshakingstopped.Sowhatkindofvibrations(震动)weretheanimalspi

5、ckingupinthemomentsbeforethequake?ScientistSusanHoughsaidearthquakesproducetwotypesofwaves—aweak“P”waveandthenamuchstronger“S”wave.The“P”standsfor“primary”.Andthe“S”standsfor“secondary”.Shethinksthe“P”wavemightbewhatsetstheanimalsoff.Notalltheanimalsbehavedunusuallybeforethequake.F

6、orexample,Smithsaidthezoo?sgiantpandasdidn?tjumpupuntiltheshakingactuallybegan.Butmanyoftheotheranimalsseemedtoknowsomethingwascomingbeforeithappened.“I?mnotsurprisedatall,”Smithsaid.1.WhydidMandaraactstrangelyoneday?A.Becauseitsensedsomethingunusualwouldhappen.B.Becauseitsdaughter

7、Kibibiwasinjured.C.Becauseitheardanorangutanletoutaloudcall.D.Becauseanearthquakehadhappened.2.AccordingtoBrandieSmith,　　　　. A.manyanimals?hearingissharpB.earthquakesproducetwotypesofwavesC.primatesusuallygathertogetherbeforeaquakeD.humanscanalsodeveloptheabilitytosenseaquake3.Whic

8、hanimalseemsunabletosensea