工艺管道日常检查工作中,发现管壁严重减薄的工艺管线,要进行()处理。
A、更换
B、降低介质压力
C、加固
D、降低介质流量
参考答案:A
用所给动词的适当形式填空。
1. Li Hong _____ (like) these shoes very much.
2. Lucy often _____ (speak) Chinese in the morning.
3. _____ Lily _____ (come) from China?
4. Nancy_____ (not know) your name.
5. Let's _____ (make) friends.
6. May I _____ (ask) your name?
7. Where_____ he _____ (work)?
8. _____ she _____ (have) any friends in China?
9. He _____(want) to come to China.
10. He can _____ (call) her Mary.
若眩晕较甚,阴虚阳浮,应注意预防下列哪种病的发生:
A.头痛
B.中风
C.感冒
D.心悸
E.以上都不是