选修unitcloning公开课PPT学习教案

1、会计学1In pairs, look at the four pictures and discuss: which ones are natural clones which ones are man-made. Think about how they differ.第1页/共27页Dolly the sheep第2页/共27页A strawberry plant第3页/共27页Growing new plant.第4页/共27页Twins第5页/共27页Do you want to be cloned? Why？第6页/共27页第7页/共27页 exact twin commercial

2、 straightforwardundertake breakthroughprocedure carrieradj. 精确的；准确的精确的；准确的n. 双胞胎之一双胞胎之一adj. 成对的；成对的； 成双的成双的adj. 商业的；贸易的商业的；贸易的adj. 简单的；坦率的简单的；坦率的vt. 着手；从事；承担着手；从事；承担n. 突破突破n. 程序；步骤；手续程序；步骤；手续n. 携带者；搬运工；携带者；搬运工； 运输工具运输工具Words preview第8页/共27页 castaltogether arbitrary correction object objection medium

3、the media obtain vt. 扔；投；掷扔；投；掷adv. 总共；完全地总共；完全地adj. 任意的任意的 n. 改正；纠正；改正；纠正； 修正修正vi. 反对；不赞成反对；不赞成n. 不赞成；反对；异不赞成；反对；异议议n. 媒介；手段；工具媒介；手段；工具 大众传播媒体大众传播媒体vt. 获得；赢得获得；赢得Words preview第9页/共27页 attainmoral conservative forbid accumulatevt. 获得；到达获得；到达adj. 道德道德(上上)的；伦理的的；伦理的adj. 保守的；守旧的保守的；守旧的vt. 禁止；不准禁止；不准 vt

4、. 积累；聚积积累；聚积Words preview第10页/共27页The text is mainly about the 1. _ of animal cloning and the life of Dolly the sheep, as well as the reasons why cloning is still 2. _.controversial（有争议的）（有争议的）procedureListen and read the text quickly and complete its main idea.第11页/共27页2, Match the main idea of eac

5、h paragraphPara 1: A.Two major uses and the procedure of cloning.Para 2: B.The problems of Dolly. Para 3: C.The effect of Dolly. Para 4: D.Peoples attitude towards cloningPara 5: E.The definition（定义）（定义）of cloning.第12页/共27页第13页/共27页词义猜测词义猜测第14页/共27页推理判断推理判断3、 From the last paragraph we can infer tha

6、t _.A. cloning will come to an end because of the objectionsB. cloned human beings will be produced in the near futureC. many countries will use cloning in a wise wayD. all the research into human beings will be forbidden第15页/共27页4、What about the writers attitude toward cloning in this passage? A. T

7、he writer is against cloning. B. The writer is in favor of cloning. C. The writer does not state any personal opinion about cloning. D. The writer is in agreement with cloning.推理判断推理判断第16页/共27页1. What are the two major uses of cloning?2. Why is it easier to make commercial plant clones than animal c

8、lones? 3. What was the first clone from an adult animal? At what age did this clone die? 4. Why is cloning controversial（有争议的（有争议的） in some countries? 第17页/共27页1. What are the two major uses of cloning? The first use is to produce commercial quantities of plants. The second is to research on new pla

9、nts species and do medical research on animals.（Line 5-7）第18页/共27页2. Why is it easier to make commercial plant clones than animal clones? Cloning plants is straightforward, but the cloning of animals is very complicated（Line7）第19页/共27页3. What was the first clone from an adult animal? At what age did

10、 this clone die? 4. Why is cloning controversial in some countries? The first clone from an adult animal was Dolly the sheep. She died in 2003 at the age of six and a half.Cloning is controversial in some countries for moral and religious reasons.第20页/共27页Do you know about the procedure works of a s

11、heep? 第21页/共27页An egg cellThe nucleusThe egg cell A somatic cellThe nucleus is taken out of the somatic cell The nucleusThey are joinedThe cell divides and grows into an embryo The carrierPut intoThe lamb is the clone ofFemale sheep AFemale sheep BSheep BFemale sheep CgenesProcedure of Cloning a Sheep第22页/共27页Practice activity: Are you in favor of the human cloning or against it? Why？正正方方反反方方第23页/共27页 Team A: I would like to suggest that _ .so in my opinion ,human cloning is good. Team B: I dont agr