They're arguing on who, on earth, is known for the great discovery ______ penicillin, an effective bacteria killer.

试卷相关题目

• 1We must do what we can to ______the river ______.

  A.protect; against polluting

  B.stop; polluting

  C.keep; being polluted

  D.prevent; from being polluted

  开始考试点击查看答案
• 2In the Olympic Games, only athletes who have reached the agreed standard for their event will be ______ as competitors．

  A.abandoned

  B.conveyed

  C.admitted

  D.advertised

  开始考试点击查看答案
• 3I'd like to ______ myself with a cup of tea before going to work

  A.recover

  B.rebuild

  C.replace

  D.refresh

  开始考试点击查看答案
• 4Last Sunday a few of us arranged to meet in town, but Jenny didn't  ______.

  A.turn up

  B.give up

  C.make up

  D.take up

  开始考试点击查看答案
• 5William found it increasingly difficult to read，for his eyesight was beginning to ______．

  A.disappear

  B.fall

  C.fail

  D.damage

  开始考试点击查看答案
• 6Dark glasses can _____ your eyes ______ the sunlight.

  A.prevent; from

  B.save; from

  C.stop; from

  D.protect; from

  开始考试点击查看答案