ACE抑制药降低慢性心衰死亡率的基本作用是A．扩张血管，减轻心脏负荷B．减慢心率，降

构成物质的粒子有多种，有的物质由_______构成，如汞. 稀有气体等；有的物质是由_______构成，如氧气. 水等；有的物质是由_______构成，如氯化钠等。

足厥阴肝经与足太阴脾经循行交叉，变换前中位置，是在（）

A.外踝上8寸处

B.内踝上2寸处

C.内踝上3寸处

D.内踝上5寸处

E.内踝上8寸处

炉装置安装中，在敞口箱、罐安装前应作（）实验，以不漏为合格。

A.水压

B.严密性

C.气压

D.满水

兴趣的作用有哪些？

Questions

·You will hear five conversations taking place in restaurants and the customers are complaining about something.
·Before you listen, read the list of statements, five of which are summaries of how these problems are solved.
·Then listen carefully and match the statements (A-F) with the conversations that are about them respectively.
·There is one extra statement that you don’t need to use. You will hear the passage twice.
A. it is suggested that she change her order to some sirloin because it is tender.
B. She is asked to send in the bill if she likes to have it cleaned.
C. The head waiter goes to fetch some clean ones immediately.
D. He offers to sponge it with a little warm water.
E. He is advised to choose another wine instead.
F. The head waiter will deal with it himself.

Questions

·You will hear five conversations taking place in restaurants and the customers are complaining about something.
·Before you listen, read the list of statements, five of which are summaries of how these problems are solved.
·Then listen carefully and match the statements (A-F) with the conversations that are about them respectively.
·There is one extra statement that you don’t need to use. You will hear the passage twice.
A. it is suggested that she change her order to some sirloin because it is tender.
B. She is asked to send in the bill if she likes to have it cleaned.
C. The head waiter goes to fetch some clean ones immediately.
D. He offers to sponge it with a little warm water.
E. He is advised to choose another wine instead.
F. The head waiter will deal with it himself.