自己 Cloning_and_DNA.ppt

Cloning and DNA Language Points Phrases: 由……制成 养成……的习惯 代替；而不是 和……一样 依靠 如果没有的话 至少 过着同样的生活 Phrases: 与……相对立 因为……（加名词） 贯穿他的童年 拥有（表主动） 被（为）……占有 一系列 cut 短语 Cut down Cut off Cut out Cut in Cut through 根据课文完成句子 1. It true that in 1953, Watson and Crick, two scientists at Cambridge University, England, the structure of the acid DNA. 2. Cohen and Boyer discovered a procedure en- zymes---chemicals in the body--- the DNA. 3. There are at least two teams of scientists trying to clone humans. 4. who was a clone of one their parents be un- known psychological pressure their childhood. 5. An Einstein clone might choose a path in life which is contradictory the original Einstein chose. 6. But on a few cloned animals or crops restrict the biodiversity of the breed. What is clear is that some voluntary code of parctice among scientists has to be agreed. I was just talking to Margaret when Jackson .A. cut down B. cut in C. cut off D. cut up He was in hospital for three months. He felt as if he was from outside world. A. cut through B. cut in C. cut off D. cut up It is that the rain won’t last long these days in summer.A certain B sure C certainly D. surely A reason cloning allowed is that it would be handy to clone for some farmers.A for; should be B why; was C for; was D for; should for According to the definition, find the proper words. * 提出问题：基因等同于 DNA么 ?基因与DNA是什么关系？ 指导学生从数量上进行分析。 提出问题：基因等同于 DNA么 ?基因与DNA是什么关系？ 指导学生从数量上进行分析。 提出问题：基因等同于 DNA么 ?基因与DNA是什么关系？ 指导学生从数量上进行分析。 提出问题：基因等同于 DNA么 ?基因与DNA是什么关系？ 指导学生从数量上进行分析。 提出问题：基因等同于 DNA么 ?基因与DNA是什么关系？ 指导学生从数量上进行分析。 Module 5 Cloning and DNA 重点单词： 重点短语： 重点句型： form under throughout spit possess cut 短语 under短语 a sequen