人教版九年级下册英语Unit 6第5课时 Section B 3a～Self Check课时作业本答案
1Section B 3a～Self Check第一题答案
（一）
1、fridges
2、style
3、divided
4、daily
5、ruler
6、earthquake
7、customer（s）
8、heroes
9、 translate
10、national
（二）
1、 is
2、smells
3、sudden
4、somebody
5、nearly
2Section B 3a～Self Check第二题答案
（一）
| 1 | 2 | 3 | 4 | 5 |
| D | A | A | C | B |
（二）
1、Both； and； are
2、was grown
3、did； buy
4、Were； invented
5、What djd； invent
3Section B 3a～Self Check第三题答案
（一）
| 1 | 2 | 3 | 4 |
| B | C | C | A |
（二）
One possible version：
My cool invention
Many of us may have to throw away our shoes when they are too small for our feet. It's a big waste. And sometimes new shoes can be too tight for us to wear. These will not be problems if you wear my Cool Shoes. The shoes are made of special materials， which can grow with your feet and always fit your feet. So you don't need to worry about weaying too small or too . big shoes anyrmore. You nendn't wash them， either. They are always clean and dry.
The shoes don't cost much. So just have a try!