\s\up1(30(30)educator/'edʒʊkeItə/n.教育工作者

　　\s\up1(31(31)contribution/ˌkɒntrI'bjuːʃn/n.贡献

　　\s\up1(32(32)count vi.起作用；有价值；有意义

　　4．劝你的父母去买那些节约能源的产品，包括汽车和像冰箱、微波炉之类的小件物品。

　　5．在你的花园或校园里栽种树木，因为它们吸收空气中的二氧化碳，并且在你观赏它们的时候使你感觉清爽。

　　6．最后，也是最重要的是，做一个教育者。同你的家人和朋友们谈一谈全球变暖的问题，并把你学到的东西告诉他们。

　　记住--你的贡献是有价值的！

　　"关爱地球"组织

　　Choose the best answers according to the text.

　　1．Which is NOT the reason why Ouyang Guang writes the letter?

　　A．He is doing a project on global warming.

　　B．He feels individuals can affect huge environmental problems.　

　　C．He isn't sure where to start with his project.

　　D．He wants to get some suggestions from Earth Care.

　　2．Which is NOT true according to the second letter?

　　A．Together, individuals can make a difference to environmental problems.

　　B．Individuals must put up with pollution.

　　C．Many activities individuals do can produce carbon dioxide.

　　D．Individuals can save energy to slow down global warming.

　　3．Which is NOT Earth Care's suggestion?

　　A．Turn electrical appliances off if you are not using them.

　　B．Put on more clothes instead of turning up the heat.

　　C．Buy things made of raw materials.

　　D．Walk or ride a bike if you can.

　　4．Who is the writer of the first letter?

　　A．An editor.　　　　　 B．Ouyang Guang.

C．Earth Care. D．B and C.