The wind is a clean ______of energy. ( root/ source/ origin/ strong)
source
We should put on our roof for the heating and hot water. (solar energy/ equipment/ cracks/ solar pannels)
solar panels
Do not use more _____________ than what we need. A. wind B. food C. sunlight D. energy
D
____________ source of energy is the source that can’t be replaced after use. A. enewable B. Natural C. Effective D. Non-renewable
Non-renewable
Biogas is and cheap for cooking and heating. A. plenty B. good C. serious D. expensive
b
Now, automakers _____________ fuels cells that extract hydrogen from gasoline. A. developed B. develops C. are developing D. will develop
C
Jack ___________ a suit today. A. is wearing B. are wearing C. am wearing D. wears
A
The problem with fossil fuels is that they are not _____________. A. expensive B. limited C. renewable D. non-renewable
B
Remember to _____the lights before going to bed. A. turn B. turn off C. turn on D. stop
B
They are Bputting solar pannels on the roofs of our houses to produce_______energy. A. air B. solar C. wind D. water
B
Look! The students ______ soccer on the school yard . A. is playing B. are playing C. will play D. play
B
We are looking for cheap, clean and source of energy. (effective/ efficient/ serious/ dangerous)
efficient
Solar energy can be changed into _____________. A. electricity B. electric C. electrician D. electrical
A
Son Tung _____________ a project on energy source at present. (sing)
is singing
It often( snows/ is snowing/ snowing )in the mountains.
snows
Fossil fuels are very common in our society but they the environment. A. renew B. provide C. waste D. pollute
D
What should we do to _____________ water? ( cut/ take/ save/ waste)
save
_____________ energy sources include water and wind power. A. Friendly environmental. B. Environmentally friendly C. Friendly environment. B. Environmental friendly
b
When he ___________in, I___________ in the kitchen. A. comes / am cooking B. come / am cooking C. is coming / am D. comes/are
A
Do your parents _____________ coal as well as wood to make a fire for cooking? A. burn B. heat C. reserve. D. produce
A
Your experience on this site will be improved by allowing cookies.