Sam_______ some knowledge of the computer just by watching others working on it..

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• 1When I woke up, it was already midnight and it took a few seconds for my eyes to _____ to the darkness.

  A.refer

  B.adjust

  C.attend

  D.point

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• 2In order to gain a bigger share in the international market, many state companies are starving _______ their products more competitive.

  A.making

  B.to make

  C.to have made

  D.having made

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• 3—Did you study Japanese? —No, I didn't. I just sort of _____ when I lived in Japan.

  A.picked it up

  B.gave it up

  C.put it up

  D.took it up

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• 4If you _______ a high fever and a bad headache, you are advised to consult a doctor.

  A.perform

  B.develop

  C.present

  D.gather

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• 5China's badminton superstar Lin Dan won a thrilling final for his fifth world champion in Guangzhou on Sunday over Lee Chong Wei, who ______ his game due to injury.

  A.concerned

  B.recovered

  C.abandoned

  D.recognized

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• 6Mammals ________ nearly all warm-blooded animals except birds. 

  A.settle in

  B.settle down

  C.take in

  D.take up

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