理工类B级题库

[单选题]Time in the AnimalWorldRhythm controlseverything in Nature._______(46)The s

[单选题]What a juicy （morsel） it is!A.tidbitB.savoryC.gossipD.steak

[单选题]SleepSleep is part of aperson's daily activity cycle .There are several dif

[单选题]He picked a book from the bookshelf and then （commenced） to read.A.directed

[单选题]Price PlanningA price representsthe value of goods or service for both the

[单选题]The Age of beingBullied and Its EffectThe age at whichkids first fall victi

[单选题]InflationBusiness andgovernment leaders also consider the inflation rate to

[单选题]Rising CollegeSelectivityRising collegeselectivity doesn't mean that studen

[单选题]Clone FarmFactory farmingcould soon enter a new era of mass production .Com

[单选题]Our holiday plansare still rather [vague].A.distinctB.definiteC.vividD.obsc

[单选题]Look After YourVoiceOften speakers at ameeting experience dry mouths and as

[单选题]HackThe first big-namehackers include Steve Wozniak,Bill Gates and Linus To

[单选题]Shyness is the causeof much unhappiness for a great many people.Shy people

[单选题]It is a very [cold]night that nobody wanted to go out.A.freezingB.devastati

[单选题]Face Masks May NotProtect from Super-flu1 If a super-flustrikes,face masks

[单选题]Avalanche and ItsSafetyAn avalanche is asudden and rapid flow of snow,often

[单选题]Growing levels ofpollution represent a serious health [hazard] to the local

[单选题]Medical JournalsMedical journals arepublications that report medical inform

[单选题]Transport and TradeTransport is oneof the aids to trade.By moving goods fro

[单选题]I [answered] theletter yesterday.A.gave reason toB.responded toC.returned t

[单选题]I am [regretful]about what has happened.A.sorryB.disappointedC.shamefulD.di

[单选题]Science andTechnologyThere is adifference between science and technology.__

[单选题]First Self-containedHeart ImplantedA patient on thebrink of death has recei

[单选题]In Americaand many other countries' [appraisal] is now a tool of management

[单选题]The WeightExperimentNicola Walters hasbeen taking part in experiments in Sc

[单选题]The DifferencesAmong Various Types of AdoptionIn the US,there is adifferenc

[单选题]The Arctic Ice isThawingFather Christmas mayhave to move his"workshop"from

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

[单选题]They [scattered]after dinner.A.separatedB.fledC.departedD.spread

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