I. Useful expressions 1. on one hand…. on the other hand 一方面….另一方面 2. interfere with nature 干预自然 3. on one’s (the ) way to doing something 正在做某事的过程中 4.point out 指出 5.in general 一般说来 6.scientific breakthroughs 科学突破 7.with the intention of 为了,以…为目的或意图 8.adopt a child 领养一个小孩 9.an adopted child 一个领养的孩子 10.show respect for/to human life 对人类生命的尊重 11.be related to 与…有关联,与…有联系 12.push ahead with 推进,推行 13.deliver a speech 发表演讲 14.make an announcement 发一个通知 15.have success/ be successful / succeed in doing 成功地做某事 16.benefit sb./ be beneficial to sb./be of benefit to sb. 对….有裨益 17.benefit mankind 造福人类 18.focus their efforts on cloning animals 精力集中在克隆动物上 19.be the first to clone a human being 成为克隆人类的第一人 20.cure diseases like cancer 治疗癌症等疾病 21.end up replacing us 最终取代我们 22. deal with the consequences 处理/对付这些后果 23.for sale 试题下载地址