A.Please turn on the lights when leaving the room.
B.Please turn off the lights when you leaving the room.
C.Please turn on the lights when to leave the room.
D.Please turn off the lights when leaving the room.
A.It’s black, and it is time to go home.
B.It’s getting dark, and it is the time to go home.
C.It’s getting dark, and it is time to go home.
D.It’s dark, and it is time to go hom
开始考试点击查看答案A.exactly how radar works
B.why the British used radio waves in their device
C.how the word “radar” came into being
D.how radar helped the British win the Battle of Britain
开始考试点击查看答案A.Light waves could be used in a device similar to radar.
B.Radar was a practical application of a well-known principle
C.Radar greatly increased the effectiveness of RAF.
D.Sound waves are reflected from a hillside under all conditions.
开始考试点击查看答案A.were more exact than sound waves
B.could not be detected
C.could penetrate fog and clouds
D.were easier to use than sound waves
开始考试点击查看答案A.new electronic instruments for planes
B.a radio directing and ranging device
C.new radio sets for RAF bombers
D.an electronic detecting device
开始考试点击查看答案A.Hearing the news, they immediately went for the airport.
B.To hear the news, they immediately left for the airport.
C.Hearing the news, they immediately left for the airport.
D.To hear the news, they immediately left at the airport.
开始考试点击查看答案A.It’s customary to have a family reunion in spring festival in China.
B.It’s customary to have a family reunion on Spring Festival in China.
C.It’s customary to have a family reunion in Spring Festival in China.
D.There’s customary to have a family reunion on Spring Festival in China.
开始考试点击查看答案A.Many things had happened here since you wrote to me last time.
B.Many things have happened here since you wrote me last time.
C.Many things happened here since you wrote to me next time.
D.Many things have happened here since you wrote to me last tim
开始考试点击查看答案A.她的本事使我感觉不如。
B.她的聪明是劣等的。
C.她的资源丰富使我自卑。
D.她的机智聪明使我自叹不如。
开始考试点击查看答案A.这两种思想很矛盾。
B.这两种思想不一致。
C.这两种思想互不相容。
D.这两种思想性质相反。
开始考试点击查看答案注册咨询工程师注册咨询工程师项目决策分析与评价项目决策分
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类别:建筑类其它注册咨询工程师注册咨询工程师项目决策分析与评价项目决策分
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