Unit 13 Section B第一课时第Ⅰ题答案
1、Turn off
2、talking about
3、recycle
4、paper
5、shopping
Unit 13 Section B第一课时第Ⅱ题答案
| 1 | 2 | 3 | 4 | 5 |
| A | C | B | D | B |
| 6 | 7 | 8 | 9 | 10 |
| C | D | B | A | C |
Unit 13 Section B第一课时第Ⅲ题答案
| 1 | 2 | 3 | 4 | 5 |
| said | were | can stay | goes | be lost |
| 6 | 7 | 8 | 9 | 10 |
| affected | playing | have | to talk | learning |
Unit 13 Section B第一课时第Ⅳ题答案
1、It's hard to stop riding.
2、We are trying to save the earth.
3、The air is badly polluted. /The air is polluted badly.
4、Everyone should play a part in cleaning it up.
5、I have read 50 English books so far.
Unit 13 Section B第一课时第Ⅴ题答案
| 1 | 2 | 3 | 4 | 5 |
| B | A | D | C | A |
| 6 | 7 | 8 | 9 | 10 |
| C | B | D | A | C |
Unit 13 Section B第一课时第Ⅵ题答案
| 1 | 2 | 3 | 4 | 5 |
| A | B | D | D | B |

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