British scientists said teenagers are programmed to take risks because they enjoy the thrill of dangerous situations________ others.

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• 1-- The boy is tall enough _____ his age. --Yes, I was much _____ when I was his age.

  A.to; shorter

  B.at; taller

  C.at; shorter

  D.for; shorter

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• 2Believe me, _______ women would never make such a stupid decision.

  A.merciful

  B.mature

  C.mean

  D.innocent

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• 3---Will you be _______ this afternoon , John? ----It depends.  I' m afraid I'll be called in by my boss.

  A.suitable

  B.available

  C.accurate

  D.convenient

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• 4 Alice is kind, careful, energetic and has much experience of looking after children. In a word, she is very_______.

  A.comfortable

  B.flexible

  C.available

  D.Reliable

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• 5—Are you satisfied with her answer? — Not at all. It couldn't have been _____.

  A.worse

  B.so bad

  C.better

  D.the worst

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• 6With some snow on top of it,the Yellow Mountain looked fantastic this winter.Actually, I doubt whether we could visit ______ mountain in Chin

  A.A.a most beautiful

  B.the most beautiful

  C.a more beautiful

  D.a beautiful

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• 7 —Can you make out who is the older one? —The twins were born so _______ that it's difficult to tell them apart.

  A.similar

  B.same

  C.likely

  D.Common

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• 8After his journey from abroad, Richard Jones returned home, _______.

  A.tired

  B.tiring

  C.being tired

  D.having been tired

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• 9He is a ______ traveller.

  A.addictive

  B.addicted

  C.addition

  D.additional

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• 10Our English teacher is a ________ and strict man.

  A.warm-hearted

  B.warmly-hearted

  C.warmly-heart

  D.warm-heart

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