20 câu hỏi
Choose the best one (A, B, C or D) to complete the sentence
Nuclear energy is ……, but it is dangerous.
renewable
non-renewable
natural resource
fossil fuel
Several governments try to …. the use of fossil fuels.
waste
save
reduce
increase
Low energy light bulbs should be used to ….. electricity.
convert
save
spend
buy
“Why is it called a …… source?” - “Because it can be replaced easily and quickly.”
renewable
non-renewable
effective
specific
We must ….. the amount of water our family use every day.
lessen
narrow
lower
reduce
Wave energy is an ….. source of energy.
environmental friendly
environmentally friendliness
environment friendly
environmentally friendly
Someone’s carbon …. is a measurement of the amount of carbon dioxide that their activities produce.
footprint
energy
effect
amount
Remember to ….. the lights before going to bed.
turn on
stop
turn
turn off
If we go on …… electricity, we will have to pay a lot next month.
turning on
widened
wasting
increasing
When you save energy, you not only save money, you also reduce the demand for …… such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.
carbon footprint
electricity
fossil fuels
biogas
In India, the demand for ….. has always been more than the supply.
shortage
sources
slogan
electricity
…. energy is produced by collecting sunlight and converting it into electricity.
Hydro electric
Nuclear
Solar
Wind
The government has warned that Britain will face power ….. in the coming winters.
coal
shortages
slogans
energy
…. can be an excellent source of free, renewable energy for poor farmers.
Turbine
Biogas
Solar panel
Bulb
Laos and Cambodia have big plans for building up to 11 …… on the lower Mekong.
dams
slogans
energy
coals
There are many available ….. power sources in Vietnam including sun, wind, water, etc.
nuclear
hydro
renewable
solar
Biogas is ….. and cheap for cooking and heating.
serious
expensive
plenty
abundant
A hydropower station …. in the North of the country next year.
will be built
has been built
was built
were built
We should put ….. on our roof for the heating and hot water.
equipment
cracks
solar energy
solar panels
….. source of energy is the source that can’t be replaced after use.
Effective
Non-renewable
Renewable
Natural
