cloning
of
human
beings,but
socalled “therapeutic cloning” as well.This involves growing fertilised embryos for several days,and then extracting from them cells that might later be used as replacement tissue or organs for other individuals.
Notes:
①ethically adv.伦理上 ②unethical adj.不道德的
③therapeutic adj.治疗的 ④hijack vt.劫持
长短句分析:Ever since the world was introduced to Dolly,the cloned sheep,in 1997,various fears have been expressed that researchers would be tempted to apply to humans the techniques that were used to produce her.
句法点睛:本句中,since引导时间状语从句,第一个that引导同位语从句,修饰fears;第二个that引导定语从句,修饰techniques。
句意:自从1997年世界上第一次有了多利羊,人们表示出了各种担心,担心研究者会受诱惑把克隆羊的技术用到人类身上。
【语篇解读】 克隆羊多利出现以后,人们担心研究者会被利益驱动去克隆人。一个委员会想敦促联合国就再生性克隆提出法律上的限制,但是这里面也出现了麻烦。如果这条法律通过了,医疗克隆也就被禁止了。
1.What was the fear of people after Dolly,the cloned sheep?
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