Heavy objects and light objects fall at the same speed ________ air holds them back.

试卷相关题目

• 1— You told Holmes about what happened in the train?  — No,I didn't. He had rushed off towards the station ________ I could say anything more.    

  A.before

  B.until

  C.when

  D.as

  开始考试点击查看答案
• 2We'd better set off now, or it will be dark ______ we know it.

  A.until

  B.after

  C.when

  D.before

  开始考试点击查看答案
• 3— Hurry!There is no time to Waste.     —  Ok. But I'm afraid we'll miss the train ________ we take a taxi.      

  A.when

  B.until

  C.unless

  D.if

  开始考试点击查看答案
• 4______ you consider that the airline handled 80 million passengers last year, the accident figures are really very small.

  A.As

  B.While

  C.When

  D.For

  开始考试点击查看答案
• 5But this really is a surprise. It must be ten years _____ we last met in Beijing, isn't it? And now we run into each other in Xiamen.   

  A.since

  B.before

  C.when

  D.that

  开始考试点击查看答案
• 6_____ you have made a promise, you should carry it out.    

  A.Once

  B.Until

  C.For

  D.While

  开始考试点击查看答案
• 7A new survey shows that 54 percent of Americans do not take prescription medicines ________ though they are important to their health.

  A.as they instruct

  B.as were instructed

  C.as to be instructed

  D.as instructed

  开始考试点击查看答案
• 8His father got him a job in a bank but soon it became clear ________ he was not fit for that kind of work.

  A.why

  B.what

  C.whether

  D.that

  开始考试点击查看答案
• 9______ published fifty years ago, his work still attracts much attention at present.   

  A.As

  B.Though

  C.Apart from

  D.Despite

  开始考试点击查看答案
• 10Bella is really a good colleague in the office, I mean, _______ we don't have everything in common.

  A.as if

  B.so that

  C.even though

  D.now that

  开始考试点击查看答案