问题
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1/2,1,4/3,19/12,__________。 A.133/60B.137/60C.107/60D.147/60
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12×5=60,12和5都是乘法中的______数,60是乘法中的______.
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________________[A] support [B] cry [C] plea [D] wish
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_________(63)A.evidence B.suspectC.opinion D.doubt
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If a support prevents rotation of a body about an axis then the support exerts a ________ on the body about that axis.
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收购要约约定的收购期限不得少于______日 并不得超过______日。( )A.20;60B.20;90C.30;60D.30;90