Fleming discovered penicillin almost by______.

试卷相关题目

• 1This couple have strange habits. He'd like to sleep with the lamp _____ at night and his wife with the window _____.

  A.burning; wide open

  B.burnt; widely open

  C.burnt; wide open

  D.burning; widely open

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• 2On no condition _______ here.

  A.Smoking is allowed

  B.is smoking allowed

  C.is allowed smoking

  D.does smoking allow

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• 3They are ________ for new skills so that they can be qualified for the new jobs.

  A.hurried

  B.eager

  C.worried

  D.nervous

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• 4— It's very cold here in winter. Have you _______ here? — Not yet. I find it hard to adapt to the weather.

  A.used to live

  B.got used to living

  C.got used to live

  D.used to living

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• 5Our teacher demanded that all of us ______ English every day.

  A.should practise to speak

  B.would practise speaking

  C.could practise speaking

  D.practise speaking

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• 6One can be easily _____ smoking in a smoking family.

  A.addicted to

  B.get in the habit of

  C.found

  D.interesting to

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