Carbohydrates are the most abundant and _____ food sources of energy.

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• 1A little learning is not dangerous so long as you know _____.

  A.that

  B.that there is a little

  C.it is a little

  D.that it is little

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• 2Two thirds of the earth ________ vast oceans, that is, vast oceans two thirds of the earth.

  A.are made up ;make up of

  B.are made up of ;make up

  C.is made up of ;makes up of

  D.is made up of ;make up

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• 3You have no idea ______ then．

  A.what a hard time we had

  B.we had what a hard time

  C.what we had hard time

  D.what hard time we had

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• 4Actually wastes are valuable resources, but we have not yet learned how to reuse them ________ fully ________.

  A.as; as possible

  B.so; as possible

  C.as; as we could

  D.so; as we can

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• 5They talked in a very low voice ________make themselves ________ clearly.

  A.in order to; hear

  B.so as not to; hear

  C.in order not to; heard

  D.so that to; heard

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• 6________, the Asian Games are held every four years.

  A.It is known to all

  B.It is known

  C.As known to all

  D.As is known to all

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• 7Yesterday they travelled ________ the foot of the mountain.

  A.as far as to

  B.so far as to

  C.as far as

  D.so far as

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• 8You have been late for two hours，otherwise，We________ the whole design．

  A.have fulfilled

  B.fulfilled

  C.should have fulfilled

  D.will have fulfilled

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• 9______is a rich man is known to all in the city.

  A.Because he

  B.That he

  C.He

  D.Who he

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• 10After they ______ enough money, they decided to get the project ______ .

  A.gathered ;begun

  B.gathered ;started

  C.collected ;started

  D.collected ;begun

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