20 câu hỏi
Choose the correct answer.
Solar energy is ______ than fossil fuels.
clean
cleaner
cleanest
more clean
Choose the correct answer.
Fossil fuels are cheap, ______ they cause pollution.
and
but
because
so
Choose the correct answer.
Energy ______ are various in Vietnam, ranging from coal, oil, natural gas, hydropower and renewable energy.
power
uses
plants
sources
Choose the correct answer.
There are ______ sources of renewable energy than non-renewable ones.
more
most
much
very
Choose the correct answer.
______ source of energy is the source that can’t be replaced after use.
Renewable
Natural
Effective
Non-renewable
Choose the correct answer.
Solar power seems like a great future source of energy, ______ it has some disadvantages. For example, it doesn’t work at night.
and
but
so
because
Choose the correct answer.
Coal is harmful to the environment, ______ it is still used in many countries.
so
or
because
but
Choose the correct answer.
Solar panels ______ electricity from sunlight.
make
do
take
give
Choose the correct answer.
Fossil fuels are ______ harmful than renewable energy.
very
less
more
most
Choose the correct answer.
In Vietnam, hydropower is one of the largest sources of renewable energy. It ______ about 40% of the total national energy resources.
uses
provides
has
creates
Choose the correct answer.
Vietnam’s largest wind power plant with 45 ______ is in central Ninh Thuận Province.
wheels
engines
panels
turbines
Choose the correct answer.
______ uses moving water to produce electricity.
Solar power
Wind power
Hydropower
Natural power
Choose the correct answer.
Denmark gets twenty percent of its electricity ______ wind power.
from
with
in
by
Choose the correct answer.
People are now trying to lead a greener way of life by using _______ coal and oil.
less
more
most
fewer
Choose the correct answer.
“Why is it called a ______ source?” – “Because it can be replaced easily and quickly.”
effective
specific
renewable
non-renewable
Choose the correct response.
Oliver: “What is a disadvantage of wind power?”
Cady: “_______”
Wind power is clean to run.
Wind turbines are cheaper.
Wind power produces more energy.
Wind turbines can harm wildlife such as birds and bats.
Find the mistake in the following sentence.
We should using more renewable energy to protect the environment.
should
using
renewable
protect
Choose the word that is CLOSEST in meaning to the underlined one.
Several governments try to reduce the use of fossil fuels.
increase
affect
generate
cut down
Choose the word that is OPPOSITE in meaning to the underlined one.
Biogas is abundant and cheap for cooking and heating.
limited
clean
effective
similar
What does the sign mean?
The fence has electricity, so you can touch or climb it.
The fence is electric because you don’t touch it.
You mustn’t touch or climb the fence because it has electricity.
Touching the fence causes electricity, so don’t do it.