单项选择题

What is the author's attitude（）

A．Delighted
B．Sad
C．Agreeing
D．Disagreeing

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热门试题

单项选择题

What two problems can man solve by burning garbage（）

A．The shortage of energy and air pollution.
B．The shortage of energy and the land to hold garbage.
C．Air pollution and the shortage of fossil fuel.
D．Air pollution and the shortage of land to hold garbage.

单项选择题

Which of the following is NOT the result of burning garbage（）

A．The garbage burned is turned into fossil fuels.
B．The heat produced is used to boil water.
C．The steam produced is used to make electricity.
D．The steam produced is used to heat buildings.