治疗哮证之脾虚证，应首选（）。
A．射干麻黄汤
B．定喘汤
C．玉屏风散
D．交君子汤
E．七叶都气丸
参考答案：C
The couple who were not _______ to each other ended up in divorce.
A．committed
B．related
C．attended
D．contributed
垫片是密封元件，要具备耐温、耐高压能力以及适宜的变形和回弹能力。
