导学案 4 Vocabulary and Reading 64-66目标To learn something about Cloning and DNATo summarize the main idea of the passage.To use the language points correctly.Task1: phrases: 从课文中找到相应的单词或短语It’s certainly true that…2. the structure of the acid DNA 酸性 DNA 结构3. A transparent twisting ladder 透明的双螺旋结构4. The fundamental components of life 生命的基本元素5. The results of growing pea plants 种植豌豆的结果6. The genetic make-up of the new plant 子代（下一代）的基因结构7. a procedure to use enzymes 用酶的程序8. Unzip the DNA 解开 DNA9. cut out a sequence of genes 截取一系列的基因片段10. insert them into the host cell 把它们植入主细胞11. combine…with… be combined with12. be identical to 和…一样，与…一致13. It’s certain that …14. valid reasons15. offer cloning as an optional treatment for couples… 为夫妇提供作为选择性治疗的（克隆）16. find it difficult to do sth.17. under unknown psychological pressure 在未知的心理压力下18. reproduce the talents of exceptional human beings 复制非凡的天才19. obtain a supply of stem cells 获取大量的干细胞20. recover from a disease 从疾病中恢复21. repair human tissue 修复人体组织22. what is clear is that… 23. some voluntary code 一些不成文的法规24. compulsory government regulations 强制性的政府条例25. be handy to clone 克隆很方便26. resist bacteria or disease 抵御细菌和疾病27. rely on 依靠，依赖28. restrict the biodiversity of the breed 限制了生物品种的多样性。29. research into / about / on 对…的研究二 . 重难点optional adj. 可选择的，随意的 option n. 选择，选择权compulsory adj. 强制的学校里既有必修课，又有选修课。__________________________________________________________________ 2. resist v. 1). 抵抗；抵制；使不受…的伤害1 resist sth. 抵制 反抗…使不受…的伤害 resist doing sth. 抵制做某事叛军与警察对抗...
