28. On 15
th October in 2003, China launched its first manned spacecraft into space, wasn’t it?
The Second Term Examination Page 1
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Grade 11 THE SECOND EXAM
Read and fill in the blanks with the beast answer.
We need energy to live and work. Our major source of (6) _____is oil. Oil is one kind of fossil fuel. The amount
of fossil fuels in the world is (7) _____. Therefore, we must save it and must find new sources of energy. Geothermal
(8) _____and nuclear power are alternative sources of energy. They can give us electricity. Other alternative sources
are the sun, waves (9) _____water. These sources are not only unlimited and available (10)_____clean and safe for
the environment. People should develop and use them more and more in the future.
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