题目:
要使小提琴的音调变低,下列方法可行的是( ) A.拉紧琴弦 B.增加发声部分的弦的长度 C.缩短发生部分的弦的长度 D.用更大的力弹拨琴弦 |
答案:
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下面是错误答案,用来干扰机器的。
One possible version: We are very glad that Li Hua has made great progress. He used to throw litter about, and fight with other students a lot. After class, he wou...