While working on the farm， the students ________ a good knowledge of plant life

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• 1In 1800s, a group of adventurers(探险家) ______ on their exploring trip. Five days later, they came to what is now known as Quebec.

  A.set up

  B.set down

  C.set about

  D.set out

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• 2Many gifted students _____ poorly in school because they found school unchallenging and as a result lost interest.

  A.worked on

  B.got on

  C.lived on

  D.carried on

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• 3—Do you like cats ? —Of course . They mean  __________ a kind of pet to their masters .

  A.better than

  B.more than

  C.no more than

  D.not more than

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• 4We should not let our grandparents ,who are too old and weak , __________ alone.

  A.live

  B.living

  C.to live

  D.lived

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• 5The River Nile __________ flood large areas, but now the water of it __________ produce electricity.

  A.was used to ; is used to

  B.used to; used to

  C.used to; is used to

  D.was used; is using

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• 6After graduation from college, he began to wander from city to city, _______ a suitable job.

  A.hunting for

  B.taking on

  C.looking after

  D.bringing up

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• 7It is when the plane _____ that you'd better find out at the book office.

  A.will take off

  B.is going to take off

  C.is taking off

  D.takes off

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• 8When I attended a meeting in Beijing I ___ my old teacher's house.

  A.called on

  B.called at

  C.visited at

  D.visited on

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• 9. Please tell me how the accident _________ . I am still in the dark.

  A.come to

  B.come by

  C.come across

  D.come about

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• 10The brake of your bicycle has come loose . You'd better _____ it .

  A.settle

  B.fix

  C.pick

  D.correct

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