15 câu hỏi
What exactly is the influence of air pollution ...... human beings?
to
with
on
for
The campaign will hopefully ensure the survival ...... the tiger.
of
for
to
on
It is possible for local wildlife to coexist ...... industry.
to
of
in
with
The health of our children is being ...... by exhaust fumes.
danger
endanger
dangerous
endangered
The society was set up to ...... endangered species from extinction.
prevent
distinguish
preserve
survive
If people stop destroying animal's natural habitat, more species will survive and produce .......
offspring
ecology
landscape
benefit
People in this region cultivate mainly rice and vegetables.
destroy
grow
develop
support
Among the problems facing the national park's manager, the most serious ones are those of ...... and expansion.
improvement
reassessment
distinction
maintenance
Oil spills are having a devastating effect on coral reefs in the ocean.
powerful
significant
disastrous
detectable
The factory was fined for ...... chemicals into the river.
discharging
dumping
producing
exposing
The panda's ...... habitat is the bamboo forest.
nature
natural
naturalized
naturally
Learners can feel very ...... if an exercise is too difficult.
courageous
encouraging
discouraged
discouragingly
The ...... friendly products are designed not to harm the natural environment.
environment
environmental
environmentally
environmentalism
The waste from the chemical factory is extremely .......
harm
harmful
unharmed
harmless
People are destroying the air by adding ...... to it.
pollutants
polluters
pollution
polluted
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