4. We should clean our classroom every day.
He suggest...
IV. Read the paragraph and put (T) true or (F) false (2 marks)
Choose the best answer:
Are you looking for a cheap, clean, ... (1) source of power that doesn’t
cause …………(2) or waste natural resources? Look no further than solar energy
from our sun. At present, most of our …..……(3) comes from the use of coal and
gas, oil or nuclear power. This power could be provided by the sun. One percent of
the solar energy that reaches the earth is enough to provide………(4) for the total
population.Many countries are already using solar energy. Solar panels are placed
on the ……..(5) of our house and the Sun’s (6) ….is used to heat water. The energy
can be……….(7). For a number of days, so on cloudy days you can use
(8)………. energy, too.
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