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[00:02.12]6 Each age has its future fears that turn [00:04.72]out to be groundless. [00:06.27]In the fifties, concerns focused on monsters [00:08.69]and flying saucers.Ours are reproductive. [00:12.53]For instance we worry that,come 2052, [00:15.47]i

发表于:2018-12-17 / 阅读(162) / 评论(0) 分类 北师大版高中英语模块11(选修)

I think the idea of genetic engineering is fascinating. Its also quite dangerous. Fiddling around with what makes us human might make us less human. We could end up creating a Frankensteins monster. The idea of genetic engineering has been around for

发表于:2018-12-26 / 阅读(65) / 评论(0) 分类 纯正英语一分钟

I think the idea of genetic engineering is fascinating. Its also quite dangerous. Fiddling around with what makes us human might make us less human. We could end up creating a Frankensteins monster. The idea of genetic engineering has been around for

发表于:2018-12-28 / 阅读(73) / 评论(0) 分类 听一分钟英文-G

SCIENCE IN THE NEWS - New Genetic Map Called a Powerful Tool for Medical Science By Jerilyn Watson and Caty Weaver Broadcast: Tuesday, November 15, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS

发表于:2019-01-02 / 阅读(62) / 评论(0) 分类 科技之光

84 利用基因技术提高粮食产量 DATE=8-14-01 TITLE=AGRICULTURE REPORT - Genetic Engineering Crop Debate BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(71) / 评论(0) 分类 科技之光

SCIENCE IN THE NEWS - Study Measures Environmental Damage from Human Activities By Shelley Gollust Broadcast: Tuesday, April 19, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special Eng

发表于:2019-01-30 / 阅读(72) / 评论(0) 分类 科技之光