選修8-unit2-cloning-公開課

1、In pairs, look at the four pictures and discuss: which ones are natural clones which ones are man-made. Think about how they differ.Dolly the sheepA strawberry plantGrowing new plant.TwinsDo you want to be cloned? Why？ exact twin commercial straightforwardundertake breakthroughprocedure carrieradj.

2、精確的；準確的精確的；準確的n. 雙胞胎之一雙胞胎之一adj. 成對的；成對的； 成雙的成雙的adj. 商業(yè)的；貿易的商業(yè)的；貿易的adj. 簡單的；坦率的簡單的；坦率的vt. 著手；從事；承擔著手；從事；承擔n. 突破突破n. 程序；步驟；手續(xù)程序；步驟；手續(xù)n. 攜帶者；搬運工；攜帶者；搬運工； 運輸工具運輸工具Words preview castaltogether arbitrary correction object objection mediumthe media obtain vt. 扔；投；擲扔；投；擲adv. 總共；完全地總共；完全地adj. 任意的任意的 n. 改正；糾正

3、；改正；糾正； 修正修正vi. 反對；不贊成反對；不贊成n. 不贊成；反對；異議不贊成；反對；異議n. 媒介；手段；工具媒介；手段；工具 大眾傳播媒體大眾傳播媒體vt. 獲得；贏得獲得；贏得Words preview attainmoral conservative forbid accumulatevt. 獲得；到達獲得；到達adj. 道德道德(上上)的；倫理的的；倫理的adj. 保守的；守舊的保守的；守舊的vt. 禁止；不準禁止；不準 vt. 積累；聚積積累；聚積Words previewThe text is mainly about the 1. _ of animal cloning

4、 and the life of Dolly the sheep, as well as the reasons why cloning is still 2. _.controversial（有爭議的）（有爭議的）procedureListen and read the text quickly and complete its main idea.2, Match the main idea of each paragraphPara 1: A.Two major uses and the procedure of cloning.Para 2: B.The problems of Dol

5、ly. Para 3: C.The effect of Dolly. Para 4: D.Peoples attitude towards cloningPara 5: E.The definition（定義）（定義）of cloning.1、The sheep that donated the somatic cell most probably lived _ years. A. 3 B. 6 C. 9 D. 12細節(jié)理解2、The word “straightforward” in para 2 probably means _. A. uncomplicated B. arguable

6、 C. important D. moral 詞義猜測詞義猜測推理判斷推理判斷3、 From the last paragraph we can infer that _.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 forbid

7、den4、What about the writers attitude toward cloning in this passage? A. The 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.推理判斷推理判斷Read the passage and answer these questions

8、. （on Page12）1. What are the two major uses of cloning?2. Why is it easier to make commercial plant clones than animal clones? 3. What was the first clone from an adult animal? At what age did this clone die? 4. Why is cloning controversial（有爭議的）（有爭議的） in some countries? 1. What are the two major us

9、es of cloning? The first use is to produce commercial quantities of plants. The second is to research on new plants species and do medical research on animals.（Line 5-7）2. Why is it easier to make commercial plant clones than animal clones? Cloning plants is straightforward, but the cloning of anima

10、ls is very complicated（Line7）3. What was the first clone from an adult animal? At what age did 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 c

11、ountries for moral and religious reasons.Do you know about the procedure works of a sheep? 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 SheepPractice activity: Are you in favor of the human cloning or against it? Why？正正方方反反方方 Team A: I would like to suggest that _ .so in my opinion ,human cloning