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（ ）即操作者自身以外的人和事给予的反馈，有时也称结果知识。
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【单选题】There is a sweet smell ___. [ ]
A.
in the air
B.
in the open air
C.
in the sky
D.
in the space
【简答题】It flies in the sky carrying passengers.
【简答题】完形填空。 The sun, the moon and the stars are all in the sky. The earth 1 round the sun . And the moon circles (围绕) the earth . The sun is 2 than the moon . It gives us light and heat (热量). When our part ...
【简答题】Our nearest neighbor is the moon. In the sky, the moon and the sun seem to be of the same size because the moon is much nearer. The moon makes the tides—the changes in the level of the sea. The moon ...
【单选题】We held an interesting party ___. [ ]
A.
in the air
B.
in the sky
C.
in the open air
D.
in space g
【简答题】2015年版《中国药典》二部收载 、 、 以及放射性药品。
【简答题】12 ( ) 1 The plane is flying _____. A. in the sky B. in. the air C. in space D. in sky ( ) 2 There is a sweet smell___. A. in the air B. in the open air C. in the sky D. in the space ( ) 3 We held an ...
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