根据首字母提示，补全单词，完成句子。

1. This is my f        . Her name is Lucy.

2. Class, l         at the books and check.

3. He’s Chinese. His h       is black.

4. Jackie Chan’s n       is a little bit big.

5. I like r           books very much.

化油器上怠速截止电磁伐的作用是当发动怠速运转时，及时切断主油道达到省油的目的。