Oxygen usually ______ in the form of gas in nature but when made cold enough, it can also take the form of solid.     

试卷相关题目

• 1Theme park owners _____ their profit ____ charging admission fees, ______ new brand athletic equipment and selling souvenirs.

  A.have; from; advertising for

  B.make; by; advertising

  C.gain; with; advertising

  D.benefit; through; advertising for

  开始考试点击查看答案
• 2When the speaker finished his speech, he was affected to see his speech ________ with cheers and applauses from the audience.    

  A.was met

  B.was welcome

  C.was popular

  D.was greeted

  开始考试点击查看答案
• 3I don't think the change of timetable will _____ our plan much.

  A.effect

  B.affect

  C.be affected

  D.be effected

  开始考试点击查看答案
• 4Coughing and sneezing _____ the coming of a bad cold.

  A.sign

  B.signal

  C.express

  D.present

  开始考试点击查看答案
• 5He _______to get some cards for his birthday,but  none arrived.   

  A.promised

  B.expected

  C.thought

  D.supposed

  开始考试点击查看答案
• 6He wanted to ____ the National Team to compete in the Summer Olympic Games for his country but he was disappointed that he failed at the qualifying stage.      

  A.attend

  B.takepartin

  C.joinC.joinin

  开始考试点击查看答案
• 7If you want to know more information about the Analytical Machine, ______ the followingWebsite: www.computer.net      

  A.see

  B.visit

  C.look for

  D.search

  开始考试点击查看答案
• 8The accused woman _______ himself by saying that he killed the man totally out of self-defense andit was completely an accident.    

  A.guarded

  B.protected

  C.defended

  D.prevented

  开始考试点击查看答案
• 9Once harm is _______ to the eco-system, all species will ________, including man himself.      

  A.made; be in danger

  B.done; be dangerous

  C.caused; be endangered

  D.done; be in danger

  开始考试点击查看答案
• 10His lack of professional knowledge ______for the failure of the experiment.      

  A.accounted

  B.explained

  C.counted

  D.contributed

  开始考试点击查看答案