1.Candice was allowed to speak before Congress so as to draw the government ‘s attention to environmental problems .

2.When Candice testified before Congress ,she said , “ Money does really grow on trees .’’

3.Candice proposed that people plant trees in spring time .

4.The author of the article doesn’t seem to agree with Candice .

5.According to the author trees are important to people in that they are earth’s natural air conditioners and pollution filters .

6.Trees can help cool us in summer by providing shade and taking in heat from the surrounding air .

7.Trees can help prevent colder temperatures in winter by forming windbreaks to block cold wind .

8.Trees can help make the environment cleaner by constantly soaking up and other pollutants.

1.Trees provide natural air-conditioning through a process called_____ .

[A] evaporation

[B] perspiration

[C] transpiration

[D] evapotranspiration

2. While trees are doing all that cooling ,they ‘re also making the _____ we need to breathe.

[A]

[B]

[C]

[D]

3.Trees can soak up countless pollutants except ______ .

[A] smoke

[B] ozone

[C] carbon dioxide

[D] nitrogen

4 _____ helps use up one of our wastes .

[A] photosynthesis

[B] evapotranspiration

[C] greenhouse

[D] particulate matter

5. According to the passage ,we can learn that the tress use the ____ to build new leaves , branches and roots .

[A] carbon dioxide

[B] energy in the sugar

[C] oxygen

[D] energy in the water