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【单选题】
下列过程中,有一个力的作用效果与其他三个不同,它是( )A.
把橡皮泥捏成不同造型
B.
进站的火车受阻力缓缓停下
C.
苹果受重力加速下落
D.
用力把铅球推出
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皮皮学刷刷变学霸
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【简答题】图示电路中电流I2=（ ）A。【图片】
【简答题】In his book, Churchill describes that ______ ( history ) first meeting with Roosevelt.
【简答题】宋代瓷的五大名窑是指( )、()、()、()、()。
【单选题】Churchill describes as "unfortunate" people who ________________.
A.
work extremely hard
B.
have many worries
C.
travel along a hopeful path
D.
have alomost everything they want
【简答题】轴上需要 磨削的轴段应设置砂轮____槽, 需要车刚螺纹的轴段应有____ 槽。轴端应有____角, 轴径变化处应有过渡 ____角 .
【简答题】history A. The film doesn't try to be _____ accurate, but it is based loosely on real s and people. B. In his book, Churchill describes that _____ first meeting with Roosevelt.
【简答题】Winston Churchill was one of the great men of his age. To show their respect for him, the British lawmakers asked a fine artist, Graham Sutherland, to paint Winston Churchill's picture. When it was co...
【简答题】轴端应有 _______ 角,轴径变化处应有过渡 _______ 角。
【单选题】Churchill describes as "unfortunate" people who ____.
A.
work extremely hard
B.
have many worries
C.
travel along a hopeful path
D.
have almost everything they want
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