2015-2016学年译林版高中英语选修7Unit2+reading+language+points
2015-2016学年译林版高中英语选修7Unit2+reading+language+points第2页

1.Both of these medicines have saved millions of people’s lives and have proved beneficial to mankind since they were invented. 自这两种药被发明以来,它们已经挽救了数百万人的性命,并已证实对人类有益。