理工类A级题库

[单选题]Singing Alarms Could Save the Blind.If you cannot see,you may not be able t

[单选题]What's NASDAQ?NASDAQ is a familiarbut strange name for people.We often lear

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

[单选题]What's NASDAQ?NASDAQ is a familiarbut strange name for people.We often lear

[单选题]StopSpamWhen I first got ane-mail account ten years ago,I received communic

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

[单选题]The latest [census]that all the member countries reached in the summit,whic

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

[单选题]To Survive or toVanishOver 3.6 billionyears ago,the first creature was born

[单选题]Motoring Technology2 million road deaths worldwide occur each year,plus a f

[单选题]To Survive or toVanishOver 3.6 billionyears ago,the first creature was born

[单选题]A Four-day WeekFancy a three-dayweekend一not just once in awhile but week in

[单选题]Study Helps Predict BigMediterranean QuakeScientists have foundevidence tha

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

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

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

[单选题]Sugar Accelerate theProcess of AgingSugar is widely usedin our daily life t

[单选题]If no one [objects],Mr.Ben will be the next chairman.A.disagreesB. approves

[单选题]PsychologicallyUnhealthy InternetInternet is usedwidely in our daily life.I

[单选题]PsychologicallyUnhealthy InternetInternet is usedwidely in our daily life.I

[单选题]The announcementled to violent civil [disorders] in the society.A.administr

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

[单选题]A Ride in aCable-carA ride in acable-car is one of the exciting and enjoyab

[单选题]Few Facts about Singapore Singapore is an independent city state in southea

[单选题]A Heroic WomanThe whole of theUnited States cheered its latest hero,Ashley

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

[单选题]Improve Your MemoryTo many peopleadvancing age means losing your hair,your

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

[单选题]Language and InfantsHow important is languageto young children?Is language,

[单选题]Theair-conditioners are tested for [defects] before leaving the factory.A.p