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- 问题详情：RachelCarson（1907﹣1964）wasapioneeroftheworld's environmentalmovementthroughherwritingabouttheprotectionofthenaturalworld．Her1962bookSilentSpringmadeherwellknownbymanypeople．Itdescribestheharmfulchangesintheenvironmentofusingtoxic（有害的）chemicalso...
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