单项选择题
常温常压下,纯净的乙醇的沸点大约是
A、20℃
B、65℃
C、78℃
D、100℃
常温常压下,纯净的乙醇的沸点大约是
A、20℃
B、65℃
C、78℃
D、100℃
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单项选择题
If a team is bogged down in argument, and discussion is turning hostile, which of the following types of contribution would the team leader seek to discourage
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