理工类B级题库

[单选题]The Impact ofAntarctic Ozone HoleThe Antarctic ozone（臭氧）hole is changing we

[单选题]DepressionAlthough the stigma（耻辱）once associated with mental illnesshas gra

[单选题]You [startled] mewhen you shouted.A.threatenedB. frightenedC. interruptedD.

[单选题]American Families1 Despite social andeconomic differences among Americans,m

[单选题]Hurricane（飓风）KatrinaA hurricane is afiercely powerful , rotating（旋转的）form o

[单选题]The subway systemis no longer [operative].A.runningB.movingC.rotatingD.work

[单选题]The News Industry inUSWhy do so manyAmericans distrust what they read in th

[单选题]Tightened Visa RegulationsAccording to South Korea'snew visa regulations,na

[单选题]Renewable EnergySourcesToday petroleumprovides around 40%of the world's ene

[单选题]The FridgeThe fridge isconsidered a necessity.It has been so since the l960

[单选题]The Impact ofAntarctic Ozone HoleThe Antarctic ozone（臭氧）hole is changing we

[单选题]School LunchResearch has shownthat over half the children in Britainwho tak

[单选题]Levi Strauss wasborn in Germany in the mid1800's and(51)______to the United

[单选题]Explorer of theExtreme DeepOceans cover morethan two-thirds of our planet.Y

[单选题]The Northern LightsThe Sun is stormy（狂暴的）and has its own kind of weather.It

[单选题]Rockets in the SkyIf someone askedyou,"What color is the sky?"I expect that

[单选题]School LunchResearch has shownthat over half the children in Britainwho tak

[单选题]Science and Truth“FINAGLE”（欺骗）is not a word that most people associate with

[单选题]Microchip Research Center CreatedA research centerhas been______(51)in this

[单选题]The AmericanIndustryA history of longand effortless success can be a dreadf

[单选题]The Impact ofAntarctic Ozone HoleThe Antarctic ozone（臭氧）hole is changing we

[单选题]Reading the jobad,James was wondering whether he was [eligible] to apply fo

[单选题]Microchip Research Center CreatedA research centerhas been______(51)in this

[单选题]Mother Nature ShowsHer StrengthTornadoes（龙卷风）and heavy thunderstorms moveda

[单选题]She can speak French and German, [let alone] English.A.to say nothing ofB.t

[单选题]By the year 1927,Dr.Andrew Manson had a reputation.His practice of medicine

[单选题]The chemical is [deadly]to rats but safe to cattle.A.usefulB.fatalC.goodD.h

[单选题]Every Dog Has HisSayKimiko Fukuda alwayswondered what her dog was trying to

[单选题]During hislifetime he has [accumulated] quite a fortune.A.exchangedB.collec

[单选题]The excitement ofhunting big game in Africa has been a [lure]to Europeans f