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某射击队要从四名运动员中选拔一名运动员参加比赛,选拔赛中每名队员的平均成绩 与方差s2如右表所示,如果要选择一个成绩高且发挥稳定的人参赛,则这个人应是 ▲  

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China launched (发射) Shenzhen V to circle the earth successfully _____ the morning of Oct.15,
2003 .      
[     ]
A. from
B. on
C. at
D. in

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China launched (发射) Shenzhou Ⅴ to circle the earth successfully ______ the morning of Oct.15, 2003.

A. from         B. on              C. at           D. in

 

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We have ________ ________ (发射) seven man-made satellites this year.

 

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If the launch(发射)in 2005 is successful,China will be the third country________its astronauts into space after Russia and the U.S.


  1. A.
    send
  2. B.
    sends
  3. C.
    sending
  4. D.
    to send

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