As the sea ice melts sooner each swimmer,polar bears are forced to come ashore earlier and face food shortages _____ they have stored enough fat to last them through the season.

试卷相关题目

• 1Because of their living habits and low level of education ______ could go to college.

  A.more

  B.few

  C.many

  D.little

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• 2The secret of his success is that he does everything___________．

  A.efficiently

  B.curiously

  C.anxiously

  D.slightly

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• 3People often find themselves caught in such a _____ as “whether…or not…”

  A.dilemma

  B.endeavor

  C.fault

  D.survival

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• 4Ms Li requested that we _____ spend half an hour reading English aloud every morning.

  A.would

  B.should

  C.must

  D.need

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• 5It is obvious that on no account _____ to the teacher that he has done the homework on his own.

  A.this is the first time he is lying

  B.this is the first time he has lied

  C.is this the first time has he lied

  D.is this the first time he has lied

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• 6_____ is not a long way to drive.

  A.Three miles distance

  B.Three-mile distance

  C.Three miles'distance

  D.Three-mile-distance

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• 7The prices of houses ______ because the demand of them become more and more great.

  A.are rising

  B.rise

  C.had risen

  D.have been risen

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• 8They____________ potatoes in different ways. They can boil them and fry them.

  A.cook

  B.eat

  C.make

  D.take

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• 9The boy made ______ mistakes in this exam so he got a higher grade.

  A.some

  B.fewer

  C.many

  D.more

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• 10 The bus had left, so we _____ walk home.

  A.haveto

  B.ought

  C.hadto

  D.must

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