Earth is believed ______ by an object the size of Mars at some point in the distant past before its surface cooled．

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• 1So far all cloned animals have suffered from some different serious disorders, _______ dying soon after birth.

  A.many of which

  B.many of whom

  C.many of them

  D.many of that

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• 2–Who is the man talking to the headmaster?  –A professor ________ a visit to our school.

  A.pays

  B.is paying

  C.paid

  D.paying

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• 3The result is a better understanding of the world on all sides, ____ a future world_____ people from all countries are respected and different views and opinions are tolerated.

  A.lead to; that

  B.leading to; that

  C.leading to; where

  D.to lead to; in which

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• 4He will keep ________ new ideas so he can help farmers around Chin

  A.A.trying on

  B.trying out

  C.trying

  D.both B and C

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• 5Although a teenager, Fred could resist ______ what to do and what not to do.

  A.to be told

  B.being told

  C.having been told

  D.to have been told

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• 6________ by the horrible earthquake, many buildings needed to be repaired in the capital of Haiti.

  A.To be destroyed

  B.Destroying

  C.Destroyed

  D.Having destroyed

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• 7He is considered ___________ the work ahead of time.

  A.finishing

  B.to finish

  C.having finished

  D.to have finished

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• 8— What do you think of the film Inception (盗梦空间) ? — Just so-so. I don't think it worth ______ a second time.

  A.watching

  B.watched

  C.to watch

  D.being watched

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• 9_____finish their task ahead of time, the students worked harder and harder.

  A.In order to

  B.So as to

  C.As to

  D.In order not to

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• 10A ship loaded with expensive goods was reported ________ into the sea with its oil ________ .

  A.to sink ; given out

  B.to have sunk ; run out

  C.having sunk ; used up

  D.to have sunk ; run out of

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