问题 单项选择题

在多媒体技术中,声音的三要素为音调、音色和音强,其中音色是由混入基音的()来决定的。

A.响度

B.泛音

C.高音

D.波形声音

答案

参考答案:B

解析:泛音的组合决定了特定的音色,并能使人明确地感到基音的响度。

阅读理解

阅读理解 。

  Pubs are an important part of British life. E-ven very small villages always

have one. People,especially men, often go to a pub for a drink in thesame pub.

Women now go to the pubs more thanthey used to, butthey usually don't like to go

to apub on their own. Children under 16 are usuallynot allowed to go to the

pubs.      

  Until 1988, pubs were only open from 12 amto 2 pm. When it's nearly time

for the pub toclose, the owners shout "last orders" and the"time". Pubs also sell

food or snacks, Typical pubfood is pie, chicken and chips, and bread with

cheese.  Pubs have names.  Here is often a sign out-side the pub shoWing the

name with a picture.Many pubs have two or more different bars. Thepublic bar

often has a pool table and

dartboard(飞镖). Local people usually go to such kind of bar.The saloon bar is

comfortable and well-furnished.Men and women often go there drinking

together.                       

1. Who do you think will go to the pubs  more? 

A. Men.        

B. Women.        

C. Villagers.        

D. Children under 16.

2. Do women often go to the pubs alone?

A. Yes, they do.    

B. No, they don’t.  

C. Yes, they will.    

D. No, they didn’t.

3. How long were the pubs usually open before 1988 ?

A. For about 12 hours.    

B. For about 14 hours.    

C. For about 9 hours.

D. For about 2 hours.

4. Which of the following is TRUE? 

A. An eighteen-year-old boy can't go to the pubs.    

B. Women weren't allowed to go to the pubs on their own.    

C. Pubs sell food or snacks,but they don’t sell drinks.    

D. Local people usually like to go to the public bar.

5. What do you think. the public bar is like? 

A. It's more crowded and comfortable.   

B. It's comfortable and clean.    

C. It's more crowded than the saloon bar.

D. The drinks there are more expensive.

单项选择题