高中英语人教版新课标选修八unit2CloningwarmingupPre-reading,Reading.pptxVIP

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2023-11-08 发布于湖北
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高中英语人教版新课标选修八unit2CloningwarmingupPre-reading,Reading.pptx

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B8 UNIT2 Cloning Warming upPre-reading,Reading12 step1Learn the following words and expressions:Differ exact cutting twin identical commercialStraightforward complicated undertakePay off breakthrough procedure nucleusSomatic embryo carrier cast cast downAltogether arbitrary fate correction objectObjection impact medium obtain attain moralConservative forbid-forbade-forbidden Accumulate in favour of side road constitutionCompulsory opera chorus loaf owe flour shortly retire22023/11/7 Step2 Warming Up1．How much do you know about clone? What is clone? And what are natural clone and man-made clone?Clone is a way of making an exact copy of another animal or plant.Natural clone is one that occurs from the “parent” in a natural form of cloning without human help.Man--made clone is one produced through human intervention(介入)．32023/11/7 2．Look at these pictures and tell which ones are natural clones and which ones are man-made clones.Natural clones：AF；Man-made clones：BCDE42023/11/7 3．See another kind of clone. The two women soldiers look very alike. Can you explain why?They are called twins. They were born almost at the same time by the same mother52023/11/7 step2 Fast Reading1．Read the text and write down the main idea of the text.The text is mainly about the ___of animal cloning and the life of Dolly the sheep，as well as the reasons why cloning is still_______.答案procedure , controversial2．Read the text and then find the main idea of each paragraph.62023/11/7 step2 Fast Reading(1)Paragraph 1　　 A．The effect of Dolly.(2)Paragraph 2　 B．The major uses of cloning.(3)Paragraph 3　 C．People’s reaction to cloning. (4)Paragraph 4　 D．The definition (定义) of cloning.(5)Paragraph 5　 E．The problem of Dolly.答案(1)D (2)B (3)E (4)A (5)C72023/11/7 step3 Careful ReadingRead the text and then choose the best answer according to the text.(1)Which of the following statements about cloning is NOT true according to the text?A．Cloning is something that has been developed quite recently.B