Scientists have many theories about how the universe ___ into being.A. cameB. was comingC. had comeD. would come

Scientists have many theories about how the universe ___ into being.

A. cameB. was coming

C. had comeD. would come


相关考题:

---- ____ have you stayed in New York?---- For about two weeks.A. How soon B. How often C. How long D. How far

Many scientists have been probing psychological problems.A.solvingB.exploringC.settlingD.handling

How many hours of housework did men do every week in the 1970s?A.About 23.B.About 26.C.About 13.D.About y.

They _____ with us for the time being.A. would stayB. will stayC. have been stayingD. will be staying

how many newspapers are there in britain?A. About 1400.B. 140.C. About 150.D. About 100.

__________? —About six yuan a kilo.A. How oldB. How muchC. How oftenD. How many

“________have you visited the Great Wall?” “Twice.” A.How soonB.How oftenC.How many timesD.How long

How many aspects does face normally have?A、OneB、TwoC、ThreeD、Four

How many holds do you have?

I have read the news of today. How about one of yesterday?()

How many books do you have? I have ______ book .That's ______ English book. A、a,anB、a,oneC、on,anD、one,one

How many liaisons of sound are there in the sentence "Tell us all about it"?A.oneB.twoC.threeD.four

Every year gray whales migrate from the Bering Sea in Alaska to the Baja Peninsula in Mexico.Eleven gray whales have died in the San Francisco Bay in the last three weeks.No one knows why the whales are dying.Last year 270 whales died along the whales'migration route.Many people think starvation is the cause.This year the dead whales seem to have more blubber(fat)on them.Twenty years ago,the gray whale was listed as an endangered species.Some scientists think that the larger number of whales makes it hard to find enough food.More whales create more pressure on the food supply,a supply that some scientists say may have dwindled as a result of the warm waters of El Nino.Most of the whales have been dead for many days before they are found and studied.This makes it hard to find the reason for death.65 whales have been seen in the San Francisco Bay Area this year compared to 17 last year.The whales could be dying from many diseases,but it may be over-population.About how many more whales have been sighted in the San Francisco Bay this year compared to last year?A.Twice as manB.Three times as manC.Half as manD.About the sam

At least how many tests were carried out by the scientists referred to in this passage A.ThreeB.TwoC.Only oneD.No one knows

The scientists are()a series of experiments to learn more about how the body adapts to weightlessness.AdefiningBhavingCcarryingDdoing

How()do you have?A、many baggageB、much baggagesC、many baggagesD、much baggage

How many skills may an agent have?()A、25 B、50 C、no enforced limit D、as many as the number of ports supported on the server

单选题Since many insects have already become()to DDT, scientists have to look for some new insecticideAactiveBresistantCtoughDgradual

单选题How many more decades will have to pass ______ scientists succeed in providing a cure for cancer?AwhenBbeforeCsinceDuntil

单选题The scientists are()a series of experiments to learn more about how the body adapts to weightlessness.AdefiningBhavingCcarryingDdoing

问答题Scientific and technological advances have improved our daily lives. However, in many fields scientists cannot solve the problems they have created themselves. Do you agree or disagree with this opinion? Give your reasons. Write a composition of about 400 words on this topic.

填空题About how many adult Americans have the “weight problem”?____ percent.

填空题How many people will attend the symposium?About ____ will attend it.

单选题Many scientists _____ their own eyes and ears than the theories of the ancients.Awould rather to believeBwould rather believeCrather would believeDwill rather believe

单选题Since the beginning of this century, more and more scientists have become interested in the way how the human brain works.ASince the beginningBhave becomeCinDthe way how

单选题—How many people were invited to the meeting?—About six ______AhundredBhundredsChundred ofDhundreds of

单选题The author suggests which of the following about art historians?AThey do not believe that illusionist tricks have become trivial.BThey generally spend little time studying contemporary artists.CThey have not given enough consideration to how the representation of nature has become commonplace.DThey generally tend to argue about theories rather than address substantive issues.