Warmblooded animals live an active life even in freezing winter, which helps them to________their normal body temperature.

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• 1Teenagers may ______ a bad period, always picking fights with their parents for no reason at all.   

  A.suffer about

  B.fight against

  C.recover from

  D.go through

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• 2If better use is _____ your spare time, you'll make greater progress in that.

  A.spent

  B.made of

  C.taken

  D.used of

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• 3-Has Mr Lee arrived?-No.But it's already 9 o'clock.He should________at any time.

  A.bring up

  B.turn up

  C.look up

  D.pick up

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• 4They devoted____their country.     

  A.themself to

  B.themselves for

  C.themselves to

  D.themself for

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• 5In the face of all these difficulties，we're not discouraged and________good spirits.

  A.keep up

  B.go up

  C.hold up

  D.pick up

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• 6As we all know,tigers and cats________the same family of beasts.

  A.belonged to

  B.are belonged to

  C.belong to

  D.are belonging to

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• 7—Please forgive me to ________you________so late,but I have something urgent.—That's all right.What's the matter?

  A.call; by

  B.call; off

  C.call; in

  D.call; up

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• 8Watch a comedy before going to bed, and you may just ________ sweet dreams.

  A.end up with

  B.put up with

  C.keep up with

  D.catch up with

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• 9You mustn't ________ the key words while copying the composition.

  A.leave out

  B.let out

  C.bring out

  D.make out

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• 10The building required ________by the end of the year.

  A.pulling down

  B.to pull down

  C.being pulled down

  D.pulled down

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