Since there was no way out, the robber decided to _______on his luck to see if he could run away.    

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• 1No matter how clever a computer becomes, it can never _____ of humans, because it has to with artificial intelligence, which is made by us humans.

  A.take place

  B.instead of

  C.take the place

  D.substitute

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• 2Though difficult, I ________ him find a job, which made him very pleased.      

  A.tried to help

  B.managed to help

  C.tried helping

  D.succeeded to help

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• 3No sooner had I began to sing the English song than it was_______ by a 13-year-old girl. She sang the song so beautifully that I couldn't help asking her when she had ______ the study of English.      

  A.brought up; taken up

  B.picked up; picked up

  C.taken up; taken up

  D.come up; set up

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• 4Be careful when you open an unknown document. It might contain the deadly virus which could entirely ______ your computer system in a minute.    

  A.break down

  B.crash

  C.block out

  D.dissolve

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• 5The early settlers in the jungle didn't have such advanced equipment _____ we have today to fightagainst natural disasters and many a time they _____ despair(绝望) but they survived somehow.

  A.that; got close to

  B.as; got near to

  C.that; were close to

  D.as; got close to

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• 6_______  cars when you cross the busy street. Which of the following is not OK?    

  A.Watch out for

  B.Look out for

  C.Watch over

  D.Be careful of

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• 7—Would you like to ____ on the performances of my students?    —Sorry, but I am not in the position to do so.      

  A.have comment on

  B.make a comment on

  C.say some comment about

  D.raise a comment on

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• 8In case of emergency, whether knowing how to apply first aid or not really ________ in matters concerning wounds like swollen wrists, broken arms, burns, cuts, and so on.     

  A.makes difference

  B.makes a difference

  C.makes differences

  D.makes different

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• 9Whoever ______ such a rare chance to get promoted is a fool .    

  A.throw out

  B.throw away

  C.throw off

  D.throw up

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• 10In his impressive manly voice, my father always _______the importance of setting proper goals indifferent stages of life.

  A.explains us

  B.impresses on us

  C.suggests to us

  D.describes to us

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