Choose the best option to fill in the blank.
(Chọn đáp án đúng nhất để điền vào chỗ trống.)
1.
Soil pollution _________ many bad effects on ecosystems and human life.
A. does B. causes C. makes D. All are correct 2.
Many plants and animals die because of __________.
A. noise pollution B. environment C. deforestation D. A and B are correct 3.
The air in this city is __________ by emissions from nearby factories.
A. exchanged B. reduced C. polluted D. All are correct 4.
The __________ of water pollution is the death of many types of fishes.
A. cause B. effect C. reason D. solution 5.
Rising sea level can make some cities __________.
A. pollute B. exchange C. appear D. disappear 6.
Protecting the __________environment is saving human life.
A. natural B. polluted C. working D. All are correct
1.c
2.pollution
3.c
4.d
5.b
6.a
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