患者男性，67岁。有长期吸烟史。近1月来阵发性咳嗽，有时痰中带血丝。不伴发热，无胸痛

单词拼写。

1. He is a kind teacher and is r_______ by all his students.

2. China produces more crops and e_______ a lot to other countries.

3. F______ is the mother of success.

4. Costs have been r_______ by 20% over the last year to meet the demands.

5. He is often confident and sticks to o_______ the difficulties by himself.

6. The last film he s_______ in was a great success and won him some awards.

7. After hundreds of years' ________ (斗争), the black slaves in the US were set free at last.

8. The mother was ________ (满意的) with her daughter's progress.

There is even an animal whose tail will         so that it can run away if someone grabs it.

A．break up

B．break out

C．break off

D．break down

企业生产肉类制品所使用的畜禽肉等主要原料应经兽医卫生检验检疫，并有合格证明。使用猪肉为原料的，用当按照《生猪屠宰条例》规定选用（）企业的产品。

特约电子汇兑往帐贷报业务坚持（）。

A、先录入处理

B、先记付款人帐

C、后记帐核算

D、后录入处理

第二类气体危险品下面分为（）个项别的危险品。

A.1

B.3

C.2

D.4