If we________ , we can realize the progress we have made in space research.

试卷相关题目

• 1 ______ I have to clean up the room,then I'll come shopping with you.

  A.Firstly

  B.At first

  C.To start with

  D.First (of all)

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• 2My command of English is not ____ yours.

  A.as half as

  B.so half good as

  C.good as half as

  D.half so good as

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• 3Don't be so discouraged. If you ________such feelings, you will do better next time.

  A.carry on

  B.get back

  C.break down

  D.put away

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• 4Staying so many days in the desert without enough water,he ______  at last.

  A.broke in

  B.broke off

  C.broke out

  D.broke down

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• 5Platypus is a strange animal that lays eggs but ______ milk ______ its young．

  A.feeds；to

  B.feeds；for

  C.fed；at

  D.fed；on

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• 6This dictionary is very useful. It has ___ many problems about words and idioms for me.

  A.looked up

  B.kept up

  C.taken up

  D.cleared up

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• 7When she came several days later, she found that all things still ______ where she had ________ them.

  A.lay; laid

  B.laid; laid

  C.lay; lain

  D.lying; laid

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• 8Our car _________ on the highway and we had a hard time trying to find someone who could get it ________.

  A.broke up; working

  B.broke down; to start

  C.broke up; worked

  D.broke down; starting

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• 9—Mary told me she would ________ computer studies. —Really? I'll try my best to ask her to_________ such foolish ideas.

  A.pick up; give up

  B.put away; give up

  C.give up; put away

  D.give up; pick up

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• 10We don't ______ of her going to work in the fields in the sun.

  A.admit

  B.agree

  C.prove

  D.approve

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