可用治慢性腹痛腹泻，大便清稀，食少腹胀，腰酸乏力，形寒肢冷的是()
A.补脾益肠丸
B.人参健脾丸
C.固本益肠片
D.参苓白术散
参考答案：C
Which of the following observations signals the onset of puberty in male adolescents
A. Appearance of pubic hair. B. Appearance of axillary hair.C. Testicular enlargement. D. Nocturnal emissions.
“怀疑”一词的希腊文原意是（）。
A.研究
B.无知
C.漠视
D.质问
