英语听力精听材料_外语学习-英语听力.pdf
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1、英语听力精听材料 材料贵精而不贵多,多听好的听力材料,才能有助于听力的快速提高。下面为大家准备了一些精听材料。Just as the police bang down the door,the bad guys flush the incriminating drugs down the toilet.Surely,a scenario weve all seen on TV and in the movies.But,you might be surprised to find out how many drugs innocently wind up in our lakes and ri
2、vers every day.Household drugs like painkillers,antibiotics and hormones enter the water system through many channels.For example,some animal feeds contain antibiotics and flood into rivers with run-off water.Antibiotics are regularly flushed or dumped down sinks and toilets.Since many sewage treatm
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