用于肾阳不足所致的腰膝酸软，头晕耳鸣，遗精早泄（）
A．玉屏风颗粒
B．锁阳固精
C．壮腰健肾丸
D．活力苏口服液
E．壮腰健身丸
参考答案：B
— Is there a supermarket?
— No, _____. [ ]
A. this is not
B. there isn't
C. it isn't
D. there aren't
芯片组（Chipset）
