19．【答案】A

　　【解析】句意：如果你把委曲求全当作基本的生活态度的话，人们就会在你身上擦拭他们肮脏的脚。attitude意为“态度”；method“方法”；way“方法，道路”；theory“理论”。

　　20．【答案】A

　　【解析】句意：你也只能把你的真实情感深深地藏在心里。hide意为“隐藏”；wake“叫醒，激发”；store“储藏”；hurt“伤害”。

　　Ⅱ.阅读理解

　　A

　　(2015江苏，B)

　　In the United States alone, over 100 million cell­phones are thrown away each year.Cell­phones are part of a growing mountain of electronic waste like computers and personal digital assistants.The electronic waste stream is increasing three times faster than traditional garbage as a whole.

　　Electronic devices contain valuable metals such as gold and silver.A Swiss study reported that while the weight of electronic goods represented by precious metals was relatively small in comparison to total waste, the concentration (含量) of gold and other precious metals was higher in so­called e­waste than in naturally occurring minerals.

　　Electronic wastes also contain many poisonous metals.Even when the machines are recycled and the harmful metals removed, the recycling process often is carried out in poor countries, in practically uncontrolled ways which allow many poisonous substances to escape into the environment.

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