To those scientists, it still remains to be a question ______ man can go back to the old days with time machine.

试卷相关题目

• 1It's such a good place ______ everybody wants to visit _____ it is well known all over the world .

  A.which , that

  B.as , as

  C.as, that

  D.that , which

  开始考试点击查看答案
• 2Professor Hunter was soon told ______ he discovered was not important to them.

  A.why that

  B.why what

  C.that why

  D.what why

  开始考试点击查看答案
• 3.____the meeting should last two days or three days doesn't matter.

  A.That

  B.Whether

  C.If

  D.Where

  开始考试点击查看答案
• 4Country life gives him peace and quiet, which is ______ he can't enjoy while living in big cities.

  A.that

  B.why

  C.where

  D.what

  开始考试点击查看答案
• 5My mother bought me a new pair of boots on my birthday _____she had promised.

  A.which

  B.what

  C.with

  D.as

  开始考试点击查看答案
• 6It has come to my notice _______ some of you have missed classes.

  A.what

  B.which

  C.that

  D.when

  开始考试点击查看答案
• 7Is _____he said really true?

  A.that

  B.what

  C.why

  D.whether

  开始考试点击查看答案
• 8When you are reading, make a note of _______ you think is of great importance.

  A.which

  B.that

  C.what

  D.when

  开始考试点击查看答案
• 9__________ I admit that the problems are difficult, I don't agree that they cannot be solved.

  A.When

  B.While

  C.As

  D.Since

  开始考试点击查看答案
• 10In 1831, Faraday discovered that electricity moves through a wire ________ a magnet（磁铁） is moved near the wire.   

  A.where

  B.so

  C.when

  D.but

  开始考试点击查看答案