更多“Many scientists have been probing psychological problems.A.solvingB.exploringC.settlingD.handling”相关问题
  • 第1题:

    Have you ever been to the place? You can see many places of interest there.(合并为一句)

    Have you ever been to the place ________you can see many places of interest?


    正确答案:
    39. where

  • 第2题:

    The sharp hearing of a fish _______ by two scientists.

    A.have been proved

    B.have proved

    C.has proved

    D.has been proved


    正确答案:D

  • 第3题:

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

    A. cameB. was coming

    C. had comeD. would come


    正确答案:A

  • 第4题:

    Many scientists have been probing psychological problems.

    A:solving
    B:exploring
    C:seffling
    D:handling

    答案:B
    解析:

  • 第5题:

    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.

    Why might the increasing number of whales cause problems with their health?

    A.There's not enough room for them in Alask
    B.There may not be enough food for them in Alask
    C.They get pushed ashor
    D.There are more whales to spread diseas

    答案:B
    解析:
    由倒数第三段可知。

  • 第6题:

    Many a young scientist__engaged in the research work.

    A.have
    B.has
    C.have been
    D.has been

    答案:D
    解析:
    【考情点拨】考查主谓一致。【应试指导】句意:很多年轻的科学家都投入到这一项研究工作中来。“many a+名词单数’’作主语时,谓语动词应用单数形式。另外,be engaged in是固定搭配,表示“忙于,从事于”。

  • 第7题:

    Your firm has been recommended to us by AMK company, () we have done business for many years.

    Awith whom

    Bwith who

    Cwhom

    Dwho


    A

  • 第8题:

    单选题
    I hope, when you have finished this exercise, you _____ many mistakes in it.
    A

    won’t make

    B

    won’t have made

    C

    won’t be making

    D

    won’t have been making


    正确答案: D
    解析:
    句意:我希望你在做完这个练习时不会出现太多的错误。本题从句的时态是现在完成时,结合句意判断,主句的动作应在从句表达的动作结束前完成,只有B项的将来完成时较恰当。D项将来完成进行时,表示这个动作还要继续下去,与题意不符。

  • 第9题:

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

    when

    B

    before

    C

    since

    D

    until


    正确答案: B
    解析:
    句意:还要多少年科学家能成功提供治疗癌症的方法?before在…之前。其他选项都不符合题意。

  • 第10题:

    单选题
    While several baseball teams have tried to supplant the Yankees as the dominant team in baseball, their inability has been unable to win even half as many World Series as the Yankees have won in the past one hundred years.
    A

    their inability has been unable

    B

    the inability they possess has not been able

    C

    having been unable

    D

    they were unable

    E

    they have been unable


    正确答案: B
    解析:
    A和B项改变了句子的意思。C项“having”的使用不恰当,且省去了必要的主语“they”。D项中的一般过去时“were”与后面的现在完成时“have won”的时态不一致。E项中使用“they”作主语,且动词都使用了现在完成时时态。

  • 第11题:

    单选题
    Over()science parks have been set up by higher education institutions in conjunction with industrial scientists and technologists.
    A

    10

    B

    20

    C

    30

    D

    40


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    We can safely conclude that ______.
    A

    people in the 19th century were eager to eat sugar

    B

    if shipwrecked sailors had drunk fresh water, things would have been even worse

    C

    one or more scientists have been hired to cheat in regard to sugar

    D

    scientists can do nothing without the money subsidized secretly


    正确答案: A
    解析:
    文中倒数第二段提到“……reported to the House of Commons that a prize of twenty-five guineas had been offered to anyone who could come up with the most “satisfactory” experiments to prove that unrefined sugar was good for feeding and fattening oxen”,即那些能证明糖类有好处的人会得到奖赏,由此推断一些科学家是被收买了以证明糖类有好处,C项正确。

  • 第13题:

    We ( ) on it for many hours but we have not yet reached any conclusion.

    A、have had worked

    B、have been working

    C、are working

    D、work


    参考答案:B

  • 第14题:

    You, like many of your classmates, probably have been in such a situation where you are asked to do something to help a foreign friend. (翻译)


    参考答案:像你的许多同学一样,你可能也曾有过亲身经历:有人请求你为外国友人帮忙做点事

  • 第15题:

    ________for many years,the AB passed the examination and became an officer.

    A.Having ignored him

    B.To have been ignored

    C.To be ignored

    D.Having been ignored


    正确答案:D

  • 第16题:

    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.

    Which of the following is NOT a possible reason for whales dying?

    A.Pneumoni
    B.Brain infectio
    C.Over-populatio
    D.Over-eatin

    答案:D
    解析:
    参见第五段。作者特别提到由于鲸鱼的数量巨大,它们很可能没有足够的食物。因此,过量饮食是不可能的。由于人们还没有真正弄清楚鲸鱼的死因,那么,任何其他的原因都是可能的。

  • 第17题:

    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 man
    B.Three times as man
    C.Half as man
    D.About the sam

    答案:B
    解析:
    由最后一段可知。今年在旧金山海湾地区看到了65只鲸,去年是17只。所以今年大约是去年的三倍。

  • 第18题:

    Many large old houses have now been converted into flats.

    A:altered
    B:shifted
    C:bought
    D:sold

    答案:A
    解析:
    本句话的意思是:“许多旧的大房子现在都已改建成了单元房。” convert: 转换、改变。alter:改变、更改,例如:We have to alter the house into a barn.我们不得不把房子改建成谷仓。shift:移动、挪动,例如:He stopped , shifting his cane to his left hand.他停了下来,将手杖移到左手。bought和sold是一对反义词buy和sell的过去式,表示买和卖的意思,例如:He bought/sold a pot yesterday.他昨天买了/卖了一把水壶。

  • 第19题:

    Over()science parks have been set up by higher education institutions in conjunction with industrial scientists and technologists.

    A10

    B20

    C30

    D40


    D

  • 第20题:

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

    active

    B

    resistant

    C

    tough

    D

    gradual


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    By the year 2060, the earth _____ twice as many people as it is today.
    A

    will have been inhabited

    B

    will inhabit

    C

    will have inhabited

    D

    is going to inhabit


    正确答案: A
    解析:
    句意:到2060年的时候,将有相当于现在两倍的人居住在地球上。By the year 2060是By后加表示将来时间的介词短语在句中作时间状语,句子的谓语要用将来完成时态,表示到将来某个时间为止的动作。inhabit意为“居住于;栖息”,是及物动词,其后通常跟地点。如果地点作主语,要用被动语态,因此A选项正确。

  • 第22题:

    单选题
    ()for many years,the AB passed the examination and became an officer.
    A

    Having ignored him

    B

    To have been ignored

    C

    To be ignored

    D

    Having been ignored


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    How many life buoys have your ship been exactly().
    A

    produced by

    B

    met with

    C

    offered of

    D

    provided with


    正确答案: D
    解析: 暂无解析