1、 Electronic wastes also contain many poisonous metals.
电子垃圾也含有许多有毒金属。
来源:2015年高考英语江苏卷 阅读理解 阅读B 原文
2、 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.
即使回收了机器并除去了有害金属,回收过程往往是在贫穷国家进行的,几乎不受控制的方式,使许多有毒物质逸入环境。
来源:2015年高考英语江苏卷 阅读理解 阅读B 原文