问题 单项选择题

某大区电力系统按发电能源种类分电源有水电(包括抽水蓄能电站)、火电(包括煤电、天然气和油电厂)及核电站,暂无其他新能源发电的电厂(如风力、太阳能等),请分析回答以下问题。

关于各类电厂分工(即在电力系统中的工作位置)原则,不正确的是( )。

A.峰荷:由具有调节水库的水电站、火电厂中的调峰机组和燃气轮机等电厂承担;
B.腰荷:由腰荷火电厂、引水道较长且调节池较小的水电站、抽汽供热机组的凝汽发电部分等承担;
C.基荷:由基荷火电厂、核电站、热电厂(供热强制出力)、径流水电站和水电站(为灌溉、航运等综合利用放水发出)的强制出力,以及抽水蓄能电站等承担;
D.填谷负荷:由抽水蓄能电站承担。

答案

参考答案:C

解析: 根据《电力系统设计手册》第三章第三、四节的相关规定。

阅读理解

阅读理解。

       The best way of learning a language is using it. The best way of learning English is talking

in English as much as possible. Sometimes you'll get your words mixed up and people will not

understand you. Sometimes people will say things too quickly and you can't understand them.

But if you keep your sense of humor(幽默感); you can always have a good laugh at your mistakes

you make. Don't be unhappy if people seem to be laughing at your mistakes. It's better for people

to laugh at your mistakes than to be angry with you, because they don't understand what you

are saying. The most important thing for learning English is: Don't be afraid of making mistakes

because everyone makes mistakes.

1.The writer thinks that the best way for you to learn a language is _______. [ ]

A. writing in it

B. using it

C. listening to it

D. learning its grammar

2. What should you do in learning English? [ ]

A. We should be careful not to make any mistakes.

B. We should write as quickly as we can.

C. We should speak English as much as we can.

D. We should laugh more often.

3. When people laugh at your mistakes, you should _______.[ ]

A. get angry

B. be happy

C. feel worried

D. be unhappy

4. When you make a mistake, you should _______.[ ]

A. keep quiet

B. get angry

C. be kind

D. keep your sense of humor

5. The story tells us that _______.[ ]

A. only foolish (愚蠢的) people make mistakes

B. few people make mistakes

C. people never make mistakes

D. there is no one who doesn't make any mistakes

单项选择题 A1/A2型题