Ecology, __ the relationships between organisms and their environments, is alsoimportant in petroleum geology.

试卷相关题目

• 1"Has he come back、 .... Yes, he __ back for three days.

  A.has come

  B.had come

  C.is

  D.has been

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• 2A biologist does not merely describe organisms, but tries to learn __ act as theydo.

  A.what to cause them

  B.what cause to them

  C.what causes them to

  D.causes them to what

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• 3Please have your doctor __ that prescription.

  A.signed

  B.to sign

  C.signing

  D.sign

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• 4We've bought a new house. We'll move in soon and we need to buy __ furniture.

  A.some other

  B.another

  C.other

  D.others

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• 5It's no use__ me. I don't know more than you do.

  A.in asking

  B.asking

  C.for me to ask

  D.you ask

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• 6If all the continents and mountains were bulldozed flat, the earth __ covered bywater.

  A.would be

  B.would have been

  C.would had been

  D.would been

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• 7Those __ have six or more close friends are likely to describe themselves as"very happy".

  A.who

  B.whose

  C.which

  D.they

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• 8Some habits of__ are incompatible with good health.

  A.my husband

  B.my husbands'

  C.my husband's

  D.my husbands

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• 9Unlike the North Pole, the South Pole is

  A.not fixed in one position

  B.the same as the South Magnetic Pole

  C.on land covered with ice

  D.on water

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• 10The large area in the southern hemisphere is taken up by

  A.the major part of South America

  B.oceans

  C.Australia

  D.Africa

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