Module 8 Unit 2 Cloning∶ where is it leading us课件.pptVIP

Watch a video and answer : What is the video about? 重点单词和短语 不同；相异 vi 精确的；准确的 商业的；贸易的 着手；从事；承担 程序；步骤；手续 反对；不赞成 vi 道德的；伦理的 禁止；不准 vt 得到好结果；取得成功 沮丧；不愉快 赞成；支持 differ exact commercial undertake procedure object moral forbid pay off cast down in favour of The skimming skills Read the first sentence of each paragrah Read the introduction of the first paragraph Read the summary or last paragraph   Skimming（略读）:match the main idea with each part（段落大意连连看） A.Two major uses and the procedure of cloning. B.The definition(定义）of cloning C.The problem and the effect of Dolly the sheep D.people’s attitudes to cloning. The main idea of the text is____ A. animal cloning is very valuable and can benefit the world. B. animal cloning could be misused by bad people so it must be forbidden C. animal cloning is well developed because Dolly the sheep was born. D. animal cloning raised arguments and scientists are not sure about its future. What are the advantages and disadvantages of cloning ? Fill in the chart using information from the text. 教师寄语 * Cloning :where is it leading us? 克隆：它将把我们引向方？ ...... Part1(para.1) Part2(para.2) Part3(Para.3＆4) Part4(Para.5) 主旨大意 Part1 (Para 1) 1.What is cloning ? Cloning is a way of making an exact copy of another animal and plant. 2.It happens both in ______ and in_______. They can be cloned by themselves and humans. plants animals Scanning Read and do exercises. 精确的 1.what are the major uses of cloning ? Firstly, …produce commercial plants… Secondly, …research on new plant species and medical research on animals… 2. When was the cloning of Dolly the sheep born? Part2 (Para 2) 1996 The major uses and procedures of cloning egg cell nucleus somatic cell The procedure(程序）of cloning Dolly joined embryo lamb Dolly How many sheep were needed to clone Dolly? three 产出 有核卵细胞egg cell 无核卵细胞 Egg cell without nucleu