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问题 多项选择题

调控员在运行操作前应考虑（）。

A、接线方式改变后电网的稳定性和合理性

B、对通信、自动化等设备的影响

C、功率、电压、频率的变化

D、保护及安自装置的配置是否合理

答案

参考答案：A, B, C, D

阅读理解
人们常常喜欢用一些英语名言来作为自己的座右铭，请根据以下信息，给下面5个人选择合适的座右铭来配对。
1.Ann works hard at English. She never wastes time.
2.Bill is always afraid of failing exam . He needs more confidence.
3.David has good study habits. He thinks the beginning is very important.
4.Linda is 70 years old, but she still likes learning something.
5.Tom wants to be a professional basketball player, but he can’t play it very well.
A. Practice makes perfect.
B. Every minute counts.
C. Failure is the mother of success.
D. A good beginning is half done.
E. It is never too old to learn.
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选择题

My uncle moved to London ______.

A．in the fifties

B．in the 1980s

C．in his fifty

D．in 1990s
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