内容正文:
主题七 自然生态与环境保护
一、完形填空
I can't remember when I started collecting litter. But it was when I got tired of 1 litter nearby and realized that no one else was going to pick it up.
I live 2 a forest in Ohio, America. I can walk there 3 three minutes.
I used to love going there to play with my dog. But one day there was 4 much litter there that I became very unhappy.
I thought I had to clean up the forest. I wanted to 5 happy going there again.
I 6 my first trip to clean the forest that afternoon. I took a big black rubbish bag with me.
Ten minutes 7 starting to pick up litter, my bag was full! It had cans, 8 , broken glass and newspapers in it.
Since that first trip three years ago, I 9 to the forest four times a year to pick up litter. I'm often there for three hours. It makes me feel 10 to do something for the environment.
After each trip, I look at all the litter 11 I've found. 12 any of it is recyclable, I'll keep it.
I 13 understand why people drop litter. But I will keep picking it up 14 they stop dropping it.
I know I am only doing a small bit to 15 the Earth, but I still think it is important.
1.A.seeing B.throwing C.dropping D.cleaning
2.A.far away from B.near C.nearly D.alone
3.A.after B.for C.with D.in
4.A.such B.very C.so D.too
5.A.make B.feel C.look D.find
6.A.went B.made C.got D.tried
7.A.after B.later C.before D.of
8.A.clothes B.house C.bottles D.food
9.A.had gone B.have gone C.went D.will go
10.A.tired B.sad C.interesting D.great
11.A.what B.whom C.where D.that
12.A.Whether B.Unless C.If D.Though
13.A.didn't B.mustn't C.needn't D.can't
14.A.until B.after C.as soon as D.when
15.A.support B.help C.meet D.refuse
二、阅读理解
A
Water is important to all living things, but some areas in the world are short of water a lot. So we should try to protect and save water.
A group of students from Zhejiang University have success