Unit7 Protect the Earth (第3课时）（课件）译林版（三起）英语六年级上册

Protect the Earth Unit 7 Earth trip start Daddy, why the Earth is crying? Because we don’t protect the Earth well. Daddy, why no water? Water is _____. We drink water and ___ water ____ clean things every day. In many places, there is not much water. We should not _____ water. We should _____ and save it. useful to waste reuse use Daddy、Daddy, why no trees? Wood comes from trees. We ____ wood ___ make tables, chairs and many other things. We should not _____ ______too many trees because trees help ______ the air clean. down cut keep use to Daddy, why not drive a car? Most of our energy comes from ____ and ____. There is not much coal or oil on Earth. We _______ save energy . We ________ not drive so much because cars use a lot of _______. oil coal energy should should Daddy、Daddy, why so much plastic rubbish ? We use plastic to make bags and bottles, but too much plastic is ______ for the Earth. We _________ not use too many plastic bags or bottles. We should use ___