人教版九年级下册英语Unit 13 Section B（1a-1e）课时练详细解答过程和答案
课前自主预习第Ⅰ题详细解答过程和答案1． wash hair
2． ride a bike
3． recycle paper
4． paper napkins
5． take your own bag
课前自主预习第Ⅱ题详细解答过程和答案
1． while you are washing
2． it's hard to
3． not using
4． shouldn't use
课堂合作探究要点突破详细解答过程和答案
[对点训练] ①A ②stop working
课堂合作探究达标检测第Ⅰ题详细解答过程和答案
1． recycling
2． napkins
3． took
4． to go
5． do
课堂合作探究达标检测第Ⅱ题详细解答过程和答案
12345BCCBA
课后巩固提升第Ⅰ题详细解答过程和答案
1． using
2． really
3． is
4． was doing
5． napkins
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