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问题
单项选择题
推动人体生长发育生殖的气是( )
A.营气
B.卫气
C.宗气
D.元气
E.中气
答案
参考答案:
D
选择题
— Sorry, I made a mistake again.
— _____. Practice more and you'll succeed.
A. Never mind
B. Certainly not
C. Not at all
D. Don't mention it
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判断题
施工现场产生的污染物是对环境造成污染的根源.
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