20 câu hỏi
Choose the correct answer.
Saving _________ species from becoming extinct is crucial for our health and the future of our children.
dangerous
endanger
endangering
endangered
Choose the correct answer.
Our sources of energy will soon be __________ if we don't save them.
exhaust
exhausted
exhaustedly
exhaustion
Choose the correct answer.
They started a campaign to ___________ smoking among teenagers.
encourage
decrease
discourage
prohibit
Choose the correct answer.
People are destroying the environment by adding ___________ to it.
pollutes
pollutions
polluting
pollutants
Choose the correct answer.
It is high time we had to ________ some measures to protect endangered animals.
take
bring
hold
use
Choose the correct answer.
Many ________ groups now support putting a value on ecosystems.
conserve
conservative
conservation
conservatism
Choose the correct answer.
15,589 species (7,266 animal species and 8,323 plant species) are now considered ______ risk ______ extinction.
at / of
on / in
for / with
in / at
Choose the correct answer.
Internationally, 189 countries have signed ________ accord agreeing to create Biodiversity Action Plans to protect endangered and other threatened species.
a
an
the
Ø
Choose the correct answer.
The giant panda's natural ________ is the bamboo forest. Giant pandas like to eat bamboo leaves.
habitat
conservation
evolution
biodiversity
Choose the correct answer.
Clearing forests for timber has led ________ the loss of biodiversity.
with
at
to
for
Choose the correct answer.
_________ you to the job, he felt calm.
Appointed
Appoint
Having appointed
To appoint
Choose the correct answer.
_________ so much, the doll is still on the shelf.
Cost
Costs
to cost
Costing
Choose the correct answer.
_________ at by everyone, he was disappointed.
Laughed
Laugh
Laughing
In laugh
Choose the correct answer.
Since_________ his new business, Bob has been working 16 hours a day.
open
opening
opened
of opening
Choose the correct answer.
_________ one hand on the steering wheel, Ann opened a can of soda pop with her free hand.
To keep
Keep
In keeping
Keeping
Choose the correct answer.
When _________ to explain his mistake, the new employee cleared his throat nervously.
asking
asked
to be asked
to be asking
Choose the correct answer.
Try to keep a balance _____ your spending and your earnings.
from
at
between
through
Choose the correct answer.
Police are _____ significant progress in fighting computer crime.
doing
making
paying
giving
Choose the correct answer.
Limiting the global temperature rise requires _____ global CO2 emissions.
reduce
to reduce
reducing
reduced
Choose the correct answer.
The tiger is _____ of extinction. It is difficult to find them in the wild.
on the wing
on the rocks
on the verge
on the ground