在现实经济生活中，商标和包装策略的竞争属于（） A.价格竞争 B.非价格竞争 C.产

部门结构不同模式的选择包括( )。

A．以工作和任务为中心来设计部门结构

B．以工作为中心设计工作结构

C．以成果为中心来设计部门结构

D．以适应成果管理为中心设计部门结构

E．以关系为中心来设计部门结构

祛除皮里膜外及经络之寒痰最宜用的中药是( )

A．半夏

B．天南星

C．旋覆花

D．桔梗

E．白芥子

阅读理解。

     TYPING 

     This course is for those who want to learn to type, as well as those who want to improve their typing.

The course is not common. You are tested in the first class and begin practicing at one of eight different

skill levels. This allows you to learn at your own speed. Each program lasts 20 hours. Bring your own paper.

     Course fee: $125 Materials: $ 25

     Two hours each evening for two weeks. New classes begin every two weeks.

     This course is taught by a number of qualified business education teachers who have successfully taught

typing courses before.

     UNDERSTANDING COMPUTERS

     This twelve-hour course is for people who do not know very much about computers, but who need to

learn about them. You will learn what computers are, what they can and can't do and how to use them.

     Course fee: $ 75 Equipment fee.. $10

     Jan. 4, 7, 11, 14, 18, Wed.& Sat. 9～11:30 a. m.

     Joseph Saunders is Professor of Computer Science at New Urban University. He has over twenty years

of experience in the computer field.

     STOP SMOKING

     Do you want to stop smoking? Have you already tried to stop and failed? Now is the time to stop smoking

using the latest methods. You can stop smoking, and this twelve-hour course will help you do it.

     Course fee: $ 30

     Jan. 2, 9, 16, 23 Mon. 2～5 p. m.

     Dr John Good is a practicing psychologist who had helped hundreds of people stop smoking.

1. If you choose the UNDERSTANDING COMPUTERS course, you will have classes _____.

A. from Monday to Sunday

B. from Monday to Friday

C. on Wednesday and Saturday

D. on Saturday and Sunday

2. The STOP SMOKING course will last _____.

A. for half a day

B. for three hours

C. for a week

D. for four weeks

3. Mr. Black works every morning and evening, but he wants to take part in one of the three courses.

    The most probable course he will attend is _____.

A. typing

B. understanding computers

C. stop smoking

D. all the courses

4. The typical difference of "Typing" from the other two is _____.

A. people with different skill levels may learn at different speed

B. you will take a test after the course

C. you will pay the fee before practicing

D. you will pay less money

均方根值是

A．NEQ
B．DQE
C．R．MS
D．ROC
E．SNR

压滤机头板压力一般控制在8-14MPa。