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Trắc nghiệm Unit 7 Tiếng Anh lớp 9 phần Vocabulary - Saving energy
Trắc nghiệm Unit 7 Tiếng Anh lớp 9 phần Vocabulary - Saving energy
Câu 1 : Besides in – class assignments, our teacher often gives some _____ for us to do at home.
A. housework
B. class work
C. homework
D. teamwork
Câu 2 : I suggest using energy-saving bulb__________ our electricity bill.
A. to reduce
B. reducing
C. reduces
D. reduced
Câu 3 : Solar panels__________ on the roof of a house to receive the energy from the sun.
A. is put
B. is installed
C. are putting
D. are installed
Câu 4 : In winter, heating _________ for 50 percent of our electricity bill.
A. takes
B. occupies
C. accounts
D. costs
Câu 5 : Energy can be collected by solar __________ on cloudy days.
A. boards
B. panels
C. bars
D. sheets
Câu 6 : If we don’t find _____ sources of power, we will use up all the fossil fuels in the near future.
A. effective
B. efficient
C. natural
D. alternative
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