题目

________, the bookseller gave him something else as a present. A. To the boy’s delight       B. To the boy’s surprising C. To the boy’s sadness    D. To make the boy’s happy   答案:A  考查固定搭配。to one’s delight意为“使某人高兴的是”,类似的用法有to one’s surprise/excitement/disappointment/joy等。  17.如图所示,小明在轻质杠杆的A端施加竖直向下的拉力,使其水平平衡.已知小明的拉力为120N,OA:OB=3:2,浸没在液体中的物体M的重力为300N,体积为0.01m3,则B点受到的拉力为180N,液体的密度ρ液=1.2×103kg/m3.(g取10N/kg)
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