题目

—Do you like shopping with your mother?   —I can’t stand it! She often shows me around the store, but we buy ______.     A. everything       B. something        C. nothing        D. anything 答案：C在显微镜下观察到的物像若在视野左下方，要想将物像置于视野正中央，应将装片A．移向右上方　 B．移向左下方C．移向左上方 　D．移向右下方