题目

音乐小组的几位同学制作了各自的乐器,乐器发声的波形图如图所示,下列说法错误的是() A . 乐器发声时都在振动 B . 乐器发声的音色相同 C . 乐器发声的响度相同 D . 乐器发声的音调相同 答案:B Women’s earnings are well below men’s _____ educational differences that are decreasing between the two sexes. A.in favor of           B.in case of C.in terms of           D.in spite of
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