热继电器是利用双金属片受热弯曲而推动触点动作的一种保护电器,它主要用于线路的速断保护。
参考答案:错
词汇运用
1. He ______(看) morning TV every day.
2. February is the ______(第二) month of the year.
3. When do you play ______(运动)?
4. I can see some ______(照片) on the wall.
5. I usually ______(乘) the number 6 bus to school.
6. Jack Chan is a great ______(act).
7. She eats a lot of ______(health) food.
8. Can you ______(play) the violin?
9. I want to join the ______(swim) club.
10. When is your ______(birth)?
简述徐州汉画像石的特点。