问题
单项选择题
热继电器主要用于保护电动机的（）。
A.短路
B.过载
C.温升过高
答案
参考答案：B
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热继电器主要用于保护电动机的（）。
A.短路
B.过载
C.温升过高
参考答案：B
| 完形填空。 | ||||
| I 1 pretty healthy. I exercise every day, usually when I come home 2 school. And my 3 habits 4 pretty 5 . I try to eat a lot of 6 , usually ten or eleven times a week. I eat fruit every day and I drink milk every day. Of course, I love junk food, too, but I try 7 it only once a week. Oh, I sleep nine hours every night. So you see, I 8 my health. And it 9 a big difference for my grades. Good food and exercise help me 10 more. | ||||
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