About 71% of the earth's surface ______ covered with water, but 20% of the world population ______ have access to safe drinking water.

试卷相关题目

• 1Do you know when the Great Wall _________?

  A.was come into being

  B.came into being

  C.had come into being

  D.had been come into being

  开始考试点击查看答案
• 2Mr. Li is absent today. What do you consider ________ to him?

  A.happens

  B.is happened

  C.happening

  D.has happened

  开始考试点击查看答案
• 3I          go back to sleep when suddenly my bedroom became as bright as day.

  A.was about to

  B.was just to

  C.would

  D.was to

  开始考试点击查看答案
• 4It is the only time in history that two Nobel Prizes         to the same person.

  A.have been given

  B.had been given

  C.have given

  D.will give

  开始考试点击查看答案
• 5It worried her a bit that her hair_______ grey.

  A.was turning

  B.has turned

  C.turns

  D.will turn

  开始考试点击查看答案
• 6With the fast development of computer and Internet technologies, traditional printed books ______ by the growing popularity of online reading of e-books.

  A.are challenged

  B.have challenged

  C.are being challenged

  D.have been challenged

  开始考试点击查看答案
• 7Now, thanks to the government's quick reaction, thousands of children who would otherwise have died___________.

  A.would be saved

  B.are saved

  C.had been saved

  D.have been saved

  开始考试点击查看答案
• 8don't think Japan is a pleasant place for us Chinese students,for I         in that country for ten years.

  A.stayed

  B.have been staying

  C.was staying

  D.have stayed

  开始考试点击查看答案
• 9He lifted the stone only _______ it dropped on his own feet.

  A.have

  B.had

  C.having

  D.to have

  开始考试点击查看答案
• 10Would you please keep silent? The news that the milk contains a harmful chemical _________and I want to listen.

  A.has been broadcast

  B.is being broadcast

  C.is broadcast

  D.is broadcasting

  开始考试点击查看答案