【答案】： 【课前自主预习】
I．英汉互译。
1．take part in 2．turn off
3．pay for 4．the food chain
5． take action 6．public transportation
7．听说 8．处于危险中
Ⅱ．1-5 TFTFF
【课堂合作探究】
◇要点突破
1．[对点训练] ①B ②take an active part in; join us
2．[对点训练] ①A ②afford to pay
3．[对点训练] ①B ②A
◇语法聚焦
一、[对点训练] ①will be planted ②must be handed
二、[对点训练] ①Has; watched ②haven't had
◇达标检测
I．1． polluted 2．harmful 3．methods 4．reusable 5． laws
Ⅱ．1-5 DBCCD
Ⅲ．完成句子。
1． pay for
2．took part in
3．has fallen by
4． take action; the sale of
5．so far
【课后巩固提升】
I．1． law 2．chain 3．transportation 4．sharks 5．industry
Ⅱ．1-5 BDBBC
Ⅲ．句型转换。
1． weren't caught
2．didn't use/used not
3． have they
4．can no longer
5．can't afford
IV． 1-5 DCBEA
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