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]EcoDormThoreau saideducation often made straight-cut ditches out of twistin

[单选题]Improve Your MemoryTo many people advancingage means losing your hair,your

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

[单选题]Is Global WarmingGood for Farming?You might think alittle global warming is

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

[单选题]ScotlanD.ALandof WisdomIn the 1740s,the famous French philosopher Voltaire

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

[单选题]The change in thattown was [miraculous].A.unforgettableB.insignificantC.ama

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

[单选题]People [derive]much pleasure from reading.A.getB.feelC.dependD.enjoy

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

[单选题]These Foods HelpImprove Your MemoryThough sleeping isthe best way to enhanc

[单选题]Many diseases canbe cured by [orthodx] medical treatment.A.acceptableB.cons

[单选题]The firstnavigational lights in the New World wereprobably lighthouses hung

[单选题]The Exploding Lakesof CameroonWhat comes to mindwhen you think of a lake?Yo

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

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

[单选题]Houses in 18thCentury North AmericaSeventeenth-centuryhouses in colonial No

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

[单选题]Messages from theMedia The weatherforecast,a story about the candidates in

[单选题]The World's LongestBridgeRumor has it that alegendary six-headed monster lu

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

[单选题]These Foods HelpImprove Your MemoryThough sleeping isthe best way to enhanc

[单选题]Women,Keep Dieting!To most women whoare trying to keep slim,dieting can see

[单选题]Will We TakeVacation in Spaces?When Mike Kellyfirst set out to build his ow

[单选题]Working for Fun andProfitIt's a sunnyweekend morning. You decide to take a

[单选题]American RoadsThe United States iswell-known for its network of major highw

[单选题]We will meet inthe office at [approximately] 3:30 in the afternoon.A.aboutB

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