I.Choose a suitable word from the box to put in each blank to finish the passage.
Much of our waste,especially waste _____ factories,electric-powered stations,the chemical industy and heavy industy,is very ______.Fish die ____ the lakes,rivers and seas;forest trees die,___.Much of this dangerous ______ goes into the air and is carried by the ______ for great distances.
The Earth is our home.We ___ take care of it,for ourselves,and for children and grandchildren.This ______ we have to keep our environment _____ and clean.The importance of this task is pointed out by ecologists-the scientists _____ studeythe relation between living things and the enviroment.______,each of us must do everything _____ to keep the land,air and water clean.
Mina!Help me
I.Choose a suitable word from the box to put in each blank to finish the passage.
Much of our waste,especially waste from factories,electric-powered stations,the chemical industy and heavy industy,is very dangerous.Fish die in the lakes,rivers and seas;forest trees die,too.Much of this dangerous waste goes into the air and is carried by the wind for great distances.
The Earth is our home.We should take care of it,for ourselves,and for children and grandchildren.This means we have to keep our environment green and clean.The importance of this task is pointed out by ecologists-the scientists who study the relation between living things and the enviroment.However,each of us must do everything possible to keep the land,air and water clean.
