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Vote mik nha

1  Solar cells ( pin mặt trời ) are used ________. * ( to be used to) 
to collect energy from the sun
to provide sunlight to houses
to convert sunlight into electricity
to collect energy from the sun and convert ( chuyển đổi )  sunlight into electricity ( dùng để thu tập ánh sáng mặt trời và chuyển hóa chúng thành điện năng ) 
2  Which of the following statements is true? *
Solar cells absorb all of the light energy from the sun.( Pin mặt trời hấp thụ tất cả năng lượng ánh sáng từ mặt trời.) 
The light energy causes the particles to move faster to make electricity.
Solar energy can be used to power homes and businesses only.
Large solar panels have been placed on cars and appliances.
3   Where have people fixed solar panels? *
In the sunniest places ( Ở những nơi nắng nhất ) 
Inside their houses
On the roofs of their houses
Anywhere outside their houses