i.words and expressions:(according to first letter or chinese)
1.a recent a_________ by scientists that they have successfully c___________the first human embryo has caused much debate and has shocked many people around the world .
2.on the one hand , some scientists ________ _________（指出） that if you clone an embryo , you can produce valuable t____________and o___________that could be used to save human lives .
3.on the other hand ,many people , including some scientists , disagree and fear that if m______________ ____________ __________ （干预）nature in this way ,they may be on their way to producing a r_________________ monster.
4. cloning is producing an exact copy of a plant or an animal using its c _________ .
5. however , _____ __________（一般说来） the scientists were praised for their wonderful scientistic b_______________ .
6.although he researches cloning , his i________has been to create copies of humans.
7.even though this use of cloning is causing a lot of a_____________, it is good news for faye wilson ,a 41-year-old s______________ who cannot have a baby .
资源难易程度:★★★★★★★★★★★★★★★
高考资源网版权所有 ©2005-2010
未经许可，盗用或转载本站资料者，本站将追究其法律责任！
