We have already messed up this world，we have ruined the air，water，and animals that it has so willingly provided for us.We need to stop this destruction of life and bring back the world we had before.It will not be easy，but everybody can help！What about something as simple as turning the lights off when you leave a room？Recycling what can be recycled？Picking up litter？Donating money to an environmental organization？None of these things are very hard.We can't just always say，“Oh，the earth is a mess.Ah，well，those big companies that are polluting so much can stop and fix it.”Instead，we need to help out.It's not only those big companies；it's everyday things that we do too that are ruining the earth.So stop and think about what you can do to make a difference to our world!

　　【答案速查】　1－4　ACBD

　　【语篇解读】　本文是一篇议论文。地球是人类赖以生存的家园，作者呼吁人们珍惜资源、爱护环境、保护地球。

　　1．Why does the author mention televisions and game systems in Paragraph 1?

　　A．To make people better aware of the urgency to the protection of the earth.

　　B．To expose the great harm done to the earth by too much technology waste.

　　C．To show the relationship between overuse of those things with early death.

　　D．To remind people to spend less on them and use the saved money in a wiser way.

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