益气摄血法的代表方剂是（）
A.当归补血汤
B.固冲汤
C.玉屏风散
D.补中益气汤
E.补阳还五汤
参考答案：B
You can keep the book for another week, but you ______ lend it to others. [ ]
A. needn't
B. mustn't
C. aren't
D. must
既能抗阿米巴原虫，又有抗厌氧菌作用的药物是：
A．环丙沙星
B．甲硝唑
C．呋喃妥因
D．氨苄西林
E．头孢拉定
