Some metals are better conductors of electricity than others ________ means that the former have atom that contain more free electron than the latter.

试卷相关题目

• 1There is hardly an environment on earth ________ some species of animal or other has not adapted successfully.

  A.to which

  B.wherever

  C.so that

  D.as to

  开始考试点击查看答案
• 2In many American families, parents feel that children should make important decisions ________.

  A.to themselves

  B.on themselves

  C.of themselves

  D.by themselves

  开始考试点击查看答案
• 3They have been trying to arrive at a practical solution ________ the problem.

  A.in

  B.to

  C.on

  D.with

  开始考试点击查看答案
• 4His understanding made a deep impression ________ the young girl.

  A.in

  B.on

  C.for

  D.to

  开始考试点击查看答案
• 5Some hard plastics can be ________ metals in manufacturing machine parts.

  A.substituted for

  B.taken the place of

  C.replaced in

  D.given way to

  开始考试点击查看答案
• 6A good friend is one who will ________ you when you are in trouble.

  A.stand for

  B.stand by

  C.stand up to

  D.stand up with

  开始考试点击查看答案
• 7The speaker ________ his notes before the lecture.

  A.ran down

  B.ran into

  C.ran out

  D.ran over

  开始考试点击查看答案
• 8I find this treatment very ________ to my health.

  A.advisable

  B.invaluable

  C.beneficial

  D.worthy

  开始考试点击查看答案
• 9Don’t have him for a friend. He’s ________ a criminal.

  A.anything but

  B.but for

  C.rather than

  D.nothing but

  开始考试点击查看答案
• 10Most doctors recognize that medicine is ________.

  A.an art as much it is a science

  B.as much an art as it is a science

  C.as an art as much it is science

  D.much an art as it is a science

  开始考试点击查看答案