Điền các từ sau vào chỗ chấm thích hợp để hoàn thành đoạn văn :from ,means,in,waste ,possible ,wind,should,green.However,who .
Much of our waste ,especailly waste(1)…………………………..factories,eletric-powered stations ,the chemical industry and heavy industry ,is very dangerous .Fish die (2) …………………………..the lakes,riversand seas;forest tree die,too .Much of this dangerous(3) …………………………..goes into the air and is carried by the(4) …………………………..for great distances .
The Earthis our home.We (5) …………………………..take care of it,for ourselves,and for our children and grandchildren .This (6) …………………………..we have to keep our environment (7) …………………………..and clean.The importantof this taskis pointed out by ecologists-the scientist(8) …………………………..study the relations between living things and the environment .(9) …………………………..,each of us must do everything (10) …………………………..to keep the land ,air and water clean.
Điền các từ sau vào chỗ chấm thích hợp để hoàn thành đoạn văn :from ,means,in,waste ,possible ,wind,should,green.However,who .
Much of our waste ,especailly waste(1)…………from………………..factories,eletric-powered stations ,the chemical industry and heavy industry ,is very dangerous .Fish die (2) ……………in……………..the lakes,riversand seas;forest tree die,too .Much of this dangerous(3) ……………waste……………..goes into the air and is carried by the(4) ………wind…………………..for great distances .
The Earthis our home.We (5) ……………should……………..take care of it,for ourselves,and for our children and grandchildren .This (6) ………means…………………..we have to keep our environment (7) …………green………………..and clean.The important of this task is pointed out by ecologists-the scientist(8) ………who…………………..study the relations between living things and the environment .(9) ……………However……………..,each of us must do everything (10) ……possible……………………..to keep the land ,air and water clean.
