理工类A级题库

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

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

[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]They all think that the prices of personal computers will soon （plunge）.A.s

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

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

[单选题]These ancientbuildings are [gorgeous].A.ridiculousB.lovelyC.magnificentD.pe

[单选题]She [persevered]in her ideas despite obvious objections raised by friends.A

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

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

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

[单选题]Sharks Perform aService for Earth's WatersIt is hard to getpeople to think

[单选题]You should have [blended]the butter with the sugar thoroughly before you he

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

[单选题]In the situation comedy,a traditional format for television shows,the samec

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

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

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

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

[单选题]Historic Route 66.TheStory of America's"Mother Road"The idea for Route66 st

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

[单选题]Sharks Perform aService for Earth's WatersIt is hard to getpeople to think

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

[单选题]Plant GasScientists have beenstudying natural sources of methane（甲烷，沼气）for

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

[单选题]The [brave]shopkeeper showed no fear of the armed robber.A.timidB.violentC.

[单选题]Poor health andlack of money may both be to educational progress [roadblock