比较大小：-3______-4（用“＞”“=”或“＜”表示）．
答案：-3＞-4．根据有理数大小比较的规律可得两个负数中绝对值大的反而小．
根据首字母提示及句意填入适当的单词。
1. Do you think that he had e_____ to go there?
2. AIl the young people have different d_____.
3. Why not c_____ going to Suzhou instead?
4. The man wanted to cross the P_____. It is impossible.
5. Before you complain please think about who p_____ the food and clothes for you.
6. In my h_____, teachers are just like our parents.
7. Do you know what the m_____ idea is!
8. To be h_____, he is a hard-working boy.
9. The population is i_____ all the time.
10. Can you t_____ the word into Chinese?
造成空气预热器漏风的常见原因有哪些？
