A. electromagnetic energy B. electromagnetic energy travels through space C. came from the sun D. when a change in t

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问题 A. electromagnetic energy
B. electromagnetic energy travels through space
C. came from the sun
D. when a change in the nucleus of an atom takes place
E. when the sunrays are fierce
F. chemical energy is generated
______ when electron rearrangement takes place.

选项

答案F

解析第五段的第五句指出，化学能来自于电子重组。F项中的“Chemical energy is generated(化学能生成)”与原句意思相符，故选F。

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本试题收录于：职称英语理工类A级题库职称英语分类

职称英语理工类A级

职称英语

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A. electromagnetic energy B. electromagnetic energy travels through space C. came from the sun D. when a change in t

职称英语理工类A级

职称英语

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DNAFingerprintingDNAisthegeneticmaterialfoundwithinthecellnucleiofalllivingthings.Inmammals(哺乳动物)thestrand

DuringtheApril28earthquake,thewholeEnglandwasleftwithoutpower.ItcanbeinferredfromthepassagethatEnglandisr

MobilePhonesMobilephonesshouldcarryalabeliftheyprovedtobeadangeroussourceofradiation,accordingtoRobertBell,

SingingAlarmsCouldSavetheBlindIfyoucannotsee,youmaynotbeabletofindyourwayoutofaburningbuilding--andtha

IrradiatingFoodIrradiatingfruits,vegetables,porkandchickentokillinsectsandbacteriahasbeenapprovedbytheFood

TheFoodScandalWidensAsthescopeofthefoodscandalwidensinTaiwan—morethan200firmsand500productshavebeeninv

Duringthepasttenyearstherehavebeendramaticchangesintheinternationalsituation.

Humanwantsseemendless.Whenastarvingmangetsameal,hebeginstothinkaboutanovercoat;whenanexecutivegetsanewsp

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