理工类C级题库

[单选题]In many of thedevelopinlg countries in Africa and Asia,the population is gr

[单选题]She read a poemwhich [depicts ]the splendor of the sunset.A.declaresB.asser

[单选题]Traffic Jams-No Endin Sight1 Traffic congestion（拥堵）affects people throughou

[单选题]Mad ScientistStereotype Outdated Do people still imagine a physicist as a b

[单选题]The SaharaThe name Sahara derives from the Arabic word for"desert"or"steppe

[单选题]The driverscomplain that the road sign is not easy to read;therefore,they s

[单选题]Ways to CreateColors in a PhotographThere are two waysto create colors in a

[单选题]Exercising YourMemory Aging does notmean a dramatic decline in memory power

[单选题]Many Older DoctorsPlan to Phase out Their PracticeThe results of a newsurve

[单选题]Flu Shots Or Not?It sounded like agood idea when New York City'smayor,Rudol

[单选题]Green EnergyGreen energy isenergy that is produced in a manner that has, le

[单选题]What is Chinese NewYear?In many parts ofAsia,nations follow the lunar calen

[单选题]Prolonging HumanLife Prolonging humanlife has increased the size of the hum

[单选题]In an age whentechnology is developing faster than ever before,many people

[单选题]Ways to CreateColors in a PhotographThere are two waysto create colors in a

[单选题]The governor gavea rather [vague] outline of his tax plan.A.unclearB.firmC.

[单选题]Listening toBirdsongA male zebra finchchirps away to himself.Suddenly he no

[单选题]Earthquake InsuranceEarthquakeinsurance is a form of homeowners' insurance

[单选题]Flaxseed slowedthe growth of prostate tumors in men,while ginseng helped re

[单选题]Cigars Instead?Smoking one or twocigars a day doubles the risk of cancers o

[单选题]The only way tocure your toothache is to [extract] your bad tooth.A.take ou

[单选题]ElectromagneticEnergy1 White light seemsto be a combination of all colors.T

[单选题]Where Did All theShips Go?The Bermuda Triangleis one______(51)the greatest

[单选题]Fermi ProblemOn a Monday morningin July,the world's first atom bomb explode

[单选题]Eating PotatoesGives Your Immune System a BoostEating potatoes isnot only g

[单选题]Mad Scientist StereotypeOutdatedDo people stillimagine a physicist as a bea

[单选题]It can beconcluded that science education has reached a new [phase] of deve

[单选题]The expeditionreached the [summit] at 10:30 that morning.A.top of the mount

[单选题]Mary [drew] ahouse on the paper.A.depictedB.designedC.describedD.portrayed

[单选题]He cannot [diseriminate]between a good idea and a bad one.A.judgeB. asessC.