Gunpowder was used extensively in firearms prior to 1990.

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问题 Gunpowder was used extensively in firearms prior to 1990.

选项 A、in
B、around
C、from
D、before

答案D

解析本题考查的是对形容词短语的认知能力。本句的意思是：Gunpowder was used extensively in firearms prior to 1990.1990年的前期火药被大量的运用于战争。prior to在…之前，如：It happened prior to my arrival．这发生在我到达之前。A．in在某年；B．around大约，接近于；C．from从……开始；D．before在……之前

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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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Gunpowder was used extensively in firearms prior to 1990.

职称英语理工类A级

职称英语

AnObservationandanExplanationItisworthlookingatoneortwoaspectsofthewayamotherbehavestowardsherbaby.The

Thepolarregionsaregenerallycoveredwithiceandsnow.

Anoysterproducesapearlbycoatingagrainofsandinsideitsshellwithnacre,asecretionofitsbody.

ScientistsDevelopWaysofDetectingHeartAttackGermanresearchershavecomeupwithanewgenerationofdefibrillators(除颤

ScientistsDevelopWaysofDetectingHeartAttackGermanresearchershavecomeupwithanewgenerationofdefibrillators(除颤

MotherNatureShowsHerStrengthTornadoes(龙卷风)andheavythunderstormsmovedacrosstheGreatLakesandintoTrumbullCounty

Around45%oftheUK’scarbondioxideemissionscomefromtheenergypeopleuseeveryday—athomeandwhentheytravel.Inord

Theauthoriskindtothechildrenbecauseshewantedtoplayanimportantroleinthechildren’slives.Aserious-lookingman

LightNight,DarkStarsThousandsofpeoplearoundtheglobestepoutsidetogazeattheirnightsky.Onaclearnight,withno

Gunpowderwasusedextensivelyinfirearmspriorto1990.

对麻疹的下述观点哪一项是错误的

女性，54岁，乏力、厌食、恶心1个月余，心悸伴少尿1周。体检：贫血面容，消瘦，血糖14mtool／L，尿蛋白(++)。确诊后的首选治疗是()。

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