可治疗慢性心功能不全及心房纤颤的药物是
A.普萘洛尔
B.硝苯地平
C.卡托普利
D.地高辛
E.奎尼丁
参考答案:D
用所给饲的适当形式填空。
1. I'd like some coffee, but he likes _______ (drink)green tea.
2. Do you like American food or _______ (China) food?
3. Orange juice is a kind of _______, and Mary often ______ (drink) it.
4. A bowl of potatoes _______ (be) on the table.
釜式反应器中需要较小传热面积,且传热介质压力较低时,可采用()。
A、蛇管换热器
B、列管换热器
C、回流冷凝器
D、夹套式换热器