调小离心式压缩机的出口压力，常用的方法有（）。 A.提高缩机的转速 B.降低压缩机的

根据句意用所给单词的适当形式完成句子。

1. Jackie Chan               (know) as a great film star.

2. Lunyu                (think) to be one of the greatest Chinese books.

3. Would you like               (read) The Adventures of Tom Sawyer?

4. The students                often               (tell) to take good care of their desks and chairs.

5. When does your school have the               (month) school meeting?

6. Don't you know Confucius is a famous                (think) of China?

7. The children are thinking about                (start) the school magazine.

8. When did you read the article                (call) "Great Books"?

钙补充剂可分为哪几类？各有什么特点？

木糖醇的代谢不需要胰岛素，故常用于( )。

A．肾病
B．肝炎
C．糖尿病
D．胃溃疡

线路台帐维护模块有哪些功能？

有偿转让公路收费权的公路，收费权转让后，由受让方（）。

A、收费

B、管理

C、收费经营

D、经营管理