问题
选择题
Don't get ______ when you study in groups. [ ]
A. noise
B. noises
C. noisy
D. noising
答案
答案：C
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Don't get ______ when you study in groups. [ ]
A. noise
B. noises
C. noisy
D. noising
答案：C
xC(g) △H ＜ 0，B、C的物质的量随时间变化的关系如图所示。下列有关说法不正确的是