LISTEN TO THE TEXT AND FILL IN THE BLANKS

1.Listen to the text and fill in the blanks:Are you sure looking for a cheap,clean, effective source of power that doesn’t cause pollution or (1)………..natural resources?Look no further than solar energy from our sun.At present,most of our electricity comes from the use of coal and gas,oil or (2)………….This power could be provided by the sun.One (3)…………..of the solar energy that reaches the Earth is enough to (4)………power for the total population.II.Reading(2,5ms)