- 问题详情:RachelCarson(1907﹣1964)wasapioneeroftheworld's environmentalmovementthroughherwritingabouttheprotectionofthenaturalworld.Her1962bookSilentSpringmadeherwellknownbymanypeople.Itdescribestheharmfulchangesintheenvironmentofusingtoxic(有害的)chemicalso...
- 30609
- 问题详情:RachelCarson(1907-1964)wasapioneeroftheworld’senvironmentalmovementthroughherwritingabouttheprotectionofthenaturalworld.Her1962bookSilentSpringmadeherwellknownbymanypeople.Itdescribestheharmfulchangesintheenvironmentofusingtoxic(有害的)chemi...
- 32946
- 问题详情: RachelCarson(1907-1964)wasapioneeroftheworld’senvironmentalmovementthroughherwritingabouttheprotectionofthenaturalworld.Her1962bookSilentSpringmadeherwellknownbymanypeople.Itdescribestheharmfulchangesintheenvironmentofusingtoxic(有害的)che...
- 7844