人教版九年级下册英语长江作业本Unit13SectionA答案
- 名称：人教版九年级下册英语长江作业本答案
- 年级：九年级
- 版本：人教版
- 科目：英语
- 学期：下册
- 系列：哈皮暑假
一、学习导引
1、water pollution，air pollution，
waste pollution，noise pollution
2、（1） am／is／are+现在分词构成
（2） have／has+动词的过去分词
（3）助动词be+及物动词的过去分词
（4）情态动词+be+及物动词的过去分词
二、即时训练1
Ⅰ、1、used to do
2、play a part in
3、cut down air pollution
4、instead of
5、keep public places clean
Ⅱ、6-10：D；C；D；C；B
Ⅲ、11、What；to do
12、didn't there
13、Is；anything
14、was painted
15、took a bus
三、即时训练 2
Ⅰ、1、hear of
2、cut off
3、so far
4、be harmful to
5、not only. . . but also. . .
6、bring danger to
7、the number of
8、no longer
Ⅱ、9、NVithout；no longer
10、drop too low；ocean life
11、So far；have shown
12、taken part in
13、heard of
Ⅲ、14、The place was not only cold， but also humid
15、We can't afford to go abroad this summer.
16、The number of students in this class is 50.
17、I understood this sentence by asking my/the teacher for help.
18、Smoking too much is harmful to his health.
19、We should ride our bikes or walk to school instead of driving.
