洋金花研末吞服的剂量是（）。 A.0.03～0.06g B.0.06～0.1g C._爱下问搜题

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问题单项选择题

洋金花研末吞服的剂量是（）。

A.0.03～0.06g

B.0.06～0.1g

C.0.3～0.6g

D.0.6～1.0g

E.1.0～1.5g

答案

参考答案：C

选择题

John's success has nothing to do with good luck. It is years of hard work _____ has made him what he

is today. [ ]

A. why

B. when

C. which

D. that

填空题

根据学生的心理发展具有定向性和顺序性的特征，在教学中应遵循______原则。