人教版九年级下册英语Unit 13第5课时Section B 3a~Self Check课时作业本答案-查字典英语网
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人教版九年级下册英语Unit 13第5课时Section B 3a~Self Check课时作业本答案

查字典英语网 2017-04-18

1 Section B 3a~Self Check第一题答案

最佳答案:

  (一)

  1、 litter

  2、plastic

  3、recycled

  4、ecosystem/environment

  5、 harmful

  6、 chain

  7、takeaway

  8、cost

  9、industry

  10、transportation

  11、wooden

  12、metal

  (二)

  1、advantages

  2、cruel

  3、 bins

  4、chains

  5、creativity

2 Section B 3a~Self Check第二题答案

最佳答案:

  (一)

  12345CBADC(二)

  1、has; been polluted

  2、 heard of/about

  3、was discovered

  4、for; to live in

  5、used to sing

3 Section B 3a~Self Check第三题答案

最佳答案:

  (一)

  12345EAFCG(二)

  One possible version:

  As we all know, plastic bags are bad for our life. They may fly with the wind and make the environment ugly. And animals may eat thetn by mistake and die. With plastic bags in the fields, crops can't grow well. Besides, burning plastic bags gives out harmful gases and pollutes the air. So trying to use fewer plastic bags is important.

  I think all the shops should stop offering free plastic bags. We should try to use cloth or paper bags instead of plastic ones when shopping. What's more,whenever we see plastic bags on the streets or in the fields,we should pick them up and put them into dustbins. If everyone can use fewer plastic bags,we are sure to build a more beautiful city.


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