题目内容
9.Some people get in touch with each other by mobile phones__________ others keep contact with each other by e-mail.( )A. | when | B. | before | C. | while | D. | since |
分析 一些人通过手机互相联系,而其他人通过邮件来相互保持联系.
解答 答案:C.根据Some people get in touch with each other by mobile phones(一些人通过手机互相联系)和others keep contact with each other by e-mail(其他人通过邮件来相互保持联系)的含义可知,两句之间是对比关系,所以答案是C while"然而".
点评 考查从属连词.
while 用作连词时,有以下几种含义:
1.意为"当…时候,和…同时",引导时间状语从句.例如:
While I was watching TV,the bell rang.(我看电视时,铃响了.)
2.意为"虽然,尽管",引导让步状语从句.例如:
While it was late,he went on working.(虽然很晚了,但他还在继续工作.)
3.连接两个并列句子,表示"对比"关系.例如:
He went out for a walk,while I stayed at home.(他出去散步了,而我却呆在家里.)

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A.involved B.figures C.inevitably D.initiated E.appointed F.average G.transformed H.reasonable I.remarkably J.indications K.charge |
The researcher organized experimental matches which (42)A four youth teams.Each match lasted an hour,divided into three periods of 20minutes during which different referees were in (43)K.
Observers noted down the referees'errors,of which there were 61over the matches.When (44)G into a standard match of 90minutes,each referee made almost 23mistakes,a(n) (45)Ihigh number.
The researcher then studied the videotapes to have a detailed analysis of the matches,and (46)J are that the errors were more likely when the referees were close to the incident.When the officials got it right,they were,on average,17meters away from the action.The average distance in the case of errors was 12meters.The research (47)B show that the best distance is about 20meters.
There also seemed to be an (48)H speed.Correct decisions came when the referees were moving at a speed of about 2meters per second.The (49)F speed for errors was 4meters per second.
If FIFA,football's international ruling body,wants to improve the standard of refereeing at the World Cup,referees should be (50)D into the rule of keeping their eyes on the action from a distance,rather than rushing to keep up with the ball,the researcher argues.
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