Only outside the Earth抯 atmosphere _____ to attain extremely high velocities.

试卷相关题目

• 1The ______ trees have been ______ and removed from the bad road．

  A.fallen; cut through

  B.falling; cut in

  C.fell; cut off

  D.having fallen; cut

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• 2_______a plan to deal with it is important.

  A.What we should work out

  B.We should work out

  C.That we should work out

  D.That what we should work out

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• 3The reason ______ he was late was _______ he fell asleep.

  A.why; why

  B.why; that

  C.that; because

  D.why; because

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• 4The company have lost a lot of money in the development of new products. They are now ________.

  A.making trouble

  B.put to the trouble

  C.in great trouble

  D.running into the trouble

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• 5He moved to the south three years ago. He ________ in Guangzhou ________.

  A.has lived ;ever since

  B.had lived ;since then

  C.lived ;ever since

  D.lived ;since then

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• 6My deskmate wants to buy a new pen ______．

  A.like me

  B.like mine

  C.as me

  D.as mine

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• 7_____ orbits the Sun, Uranus rotates on its axis, an imaginary line through its centre.

  A.For it

  B.It

  C.As it

  D.There is

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• 8When young I was ________ shy to ask people for directions that I never dared to ask complete strangers the way.

  A.too

  B.very

  C.so

  D.enough

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• 9How often do you ______your watch?

  A.wind

  B.turn

  C.fast

  D.round

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• 10Excuse me, would you mind ________ a call first?

  A.I make

  B.if I make

  C.I made

  D.if I made

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