Vote cho 5 sao nè
1. Environmental pollution has ___ to lots of health problems. *
a)led
b)made
c)caused
d)resulted
2. ___ industrial waste, many fish cannot survive. *
a)Because of
b)As
c)Because
d)Since
3. To protect the environment, we should use more ___ sources of energy such as wind and solar power. *
a)renewable
b)reused
c)reproduced
d)recycled
4. According to scientists, exhaust fumes are ___ our hometown. *
a)measuring
b)radiating
c)treating
d)poisoning
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Sinh Học lớp 12
