题目

下列盖盖玻片的方法中,产生气泡最少且操作方法正确的是(图中半扁圆形结构代表水滴,箭头代表盖盖玻片的方向)( ) A . B . C . D . 答案:BOf the two brothers, Bill is ______ younger one, and he is a quiet boy, ______ that most adults like very much.A.a; oneB.a ; the oneC.the; oneD.the ; the one
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