2．【答案】B

　　【解析】细节理解题。根据文章最后一段中“…to transfer both the costs and the physical responsibility of waste management from the government and tax­payers back to the producers.”可知电子废弃物处理的责任应该从政府和纳税人转移到生产者，故选B项。

　　3．【答案】D

　　【解析】主旨大意题。本文首先指出电子废弃物已经成为一个严重问题，客观分析了电子废弃物中其实包含一些有价值的金属材料。接着讲述了电子废弃物的合理利用以及政府采取的相关措施，主要围绕电子废弃物的管理方法展开讨论，故选D项。

　　B

　　(2016山东临沂高三10月检测，A)

　　One day I saw Harold, my neighbor, putting some metal sheets around the base of his tree where he kept his bird feeder(喂鸟器)．I didn't understand why until another neighbor explained to me that Harold was trying to keep the squirrels(松鼠) from eating the bird food.By putting the metal sheets around the base, Harold thought the squirrels wouldn't be able to climb up the tree.The next morning, the food was gone.The following week Harold figured he'd put the bird feeder on a string and hang it from the tip of one of the branches.I believe his thinking as that the squirrel couldn't go out to the edge of the branch because the branch wouldn't support the weight thereby(因此) not allowing the squirrel to get to the feeder.Next day, you got it, the food was gone, too.

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