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1、1 Real Christmas trees on farms would not exist if people stopped buying themJust one acre of growing Christmas trees produces the daily oxygen requirement for at least eighteen people61 2 Christmas tree farms protect water supplies, stabilize soil, and help protect wildlife. The forests of North Am
2、erica spread over roughly the same area of land as they did a century ago and in the past ten years have in fact expanded by almost ten million acres. Furthermore, to guarantee a steady supply, one to three new seedlings are planted for every tree they harvest. 使稳定，使稳固(尤指种子繁殖而非嫁接的）幼苗3 With global wa
3、rming being such a major concern, developing woodlands is an essential part of the fightWhile potted (盆栽的) trees are a better alternative than artificial（人工的）, they require a certain amount of care. But it would be a better choice than a plastic tree which will remain under the ground for centuries
4、once its discarded.4 On average, it takes a Christmas tree five to sixteen years to become mature. Before the Christmas tree industry appeared, people used to cut trees from forests, sometimes unlawfully and usually with no concern for the possible harm to the forest. But today Christmas tree grower
5、s plant as many as fifty million trees each year.5 Several districts have recycling programs that turn Christmas trees into mulch （覆盖物）. For a small fee, the Boy Scouts will deal with it. Fake Christmas trees cant be recycled, while real Christmas trees support life. We shouldnt add more position to
6、 our earth.6 If you know a needy family in need of a Christmas tree, buy them a real one. Give a live Christmas tree to someone this Christmas and what you do will help protect the environment.Adj 贫穷的;贫困的61、 细节理解题。参看第一段最后一句和第二段第一句。A 选项 prevent water supplies 是阻止水供应，正好相反，而是 protect water supplies 保护水
7、供应。62、猜测词义题。在第三段最后一句。需要结合语境。But it would be a better choice than a plastic tree which will remain under the ground for centuries once its discarded. Which 一句是定语从句，修饰 a plastic tree 一颗塑料的圣诞树。所以定语从句的意思是：一旦一颗塑料圣诞树被，它将在土下留存好几百年。从 “在土壤里留存” 可判断是被扔掉了，废弃了。63、 细节理解题。第三段第二句话。While potted (盆栽的) trees are a better alternative than artificial（人工的）, they require a certain amount of care.64、 主旨大意题。总括段。最后一段。Buy them a real one.两遍阅读法。第一遍：限时 9 分钟。第二遍：N 分钟。
