第7页 - 创新优化学案八年级英语江苏版

 coral reefs

 be home to ...

 so... that ...

 keep/hold/store water

 living things

 non-living things

 play a role

 keep/harm the balance

 on and on

 get rid of

 prevent floods

 act like ...

 make up

 a third

 take in

 carbon dioxide

 slow down

 feed on ...

 quite a few

 cause sth. to do

 damage the environment

 in the north-east of ...

 rare birds

 red-crowned cranes

 for a short stay

 lead to

 keep fishing

 make/create laws

 bring trouble to ...

 free from ...

 set up

 keep sth. balanced

 damage the ecosystem

 eat out

 encourage sb. to do sth.

 You said it!

 keep sth. safe

 sea life

 solve the problem

 environment-friendly products