WHAT CAN FACTORIES DO FOR A LARGE NUMBER OF PEOPLE

4. What can factories do for a large number of people?

...

B. Fill in each gap with ONE suitable word .(1m)

At present , most of our electricity comes (1)... the use of coal, gas, oil, or nuclear

power. This power could (2)... provided by the sun. One percent of the solar energy that

reaches the Earth is enough to provide power for the total population. Many countries are already using

solar energy. Solar panels are placed on the (3)... of a house and the sun’s energy is used to

heat water. The energy can be stored for a number of days, so on cloudy days you can

(4)... solar energy too.

IV. Rewrite the following sentences, beginning as shown, so that the meaning stays the same. (2ms)