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问题
判断题
调节就是抵消扰动的影响，使调节量回复到给定值。
答案
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错
选择题
Read, match and write. 读—读，将图与句子搭配成对并在横线上写出相应的时间。
( )1.
A. I play ping-pong at two thirty in the afternoon.
( )2.
B. I read books at ten in the morning.
( )3.
C. When is breakfast? At six thirty.
( )4.
D. I go to school at eight o'clock.
( )5.
E. I have supper with my family at six in the evening.
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填空题
直埋敷设光电缆在斜坡上时可以转（），而架空杆路却不允许转（）。
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