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问题
判断题
新酒中乙醛含量较高,随着贮存挥发而减少,成品酒中乙缩醛基本上占醛总含量的50%。
答案
参考答案:对
填空题
()的《敦煌诗集残卷辑校》又新辑唐人逸诗近千首。
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选择题
The noise was so _____ that only those with excellent hearing were aware of it.
A.dim
B.soft
C.faint
D.gentle
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