刷镀笔上的散热装置一般不采用（）材料制作。A、铜 B、铝 C、镍 D、不锈钢

解溪穴的特定穴属性是（）。

A.原穴

B.输穴

C.经穴

D.郄穴

E.络穴

汉译英。

1. 去暖和的地方   ______________

2. 旅行                 ______________

3. 提供…              ______________

4. 给出建议          ______________

5. 花费                 ______________

I often think of the years ____ I worked with the foreigners, ____ has had a great effect on my later life.

A．that; which

B．when; which

C．which; that

D．when; who

_________, the car could not be started.

A．Having lost the key

B．He lost the key

C．The key was missed

D．The key lost

二乙氨基二硫代甲酸银分光光度法测砷时要用到醋酸铅棉，醋酸铅棉的作用是（）。

A.除去氯化物的干扰

B.除去碘化物的干扰

C.作为还原剂

D.作为氧化剂

E.除去硫化氢的干扰