In the past hundred years, there have been frequent natural
disasters, ______ as floods, droughts, earthquakes. The disasters
have killed m______ of people, destroyed countless homes, and
wiped out numerous ______ (piece) of land.
Now more and more people become a______ that those disasters
have much to do ______ what we have done to the earth. We have cut
down many trees in the forests, and have badly ______ (pollute)
the environment. As a ______, climates have become worse and worse.
The earth is our home-planet. It’s urgent for us to stop ______ (damage)
it, and to do our best to p______ it and make it a lovely place suitable to live
in, for we have n______ to go and survive except where we are now. |
1._________
2._________
3. _________
4. _________
5. _________
6. _________
7. _________
8. _________
9. _________
10. _________ |
