选修 8 unit 2 Warming Up.pptVIP

Follow the radio to read the words (one word two times) 1．differ vi.不同；相异→difference n不同；差异→ different adj. 2．exact adj.精确的；准确的→exactly adv.精确 7．media n．(pl.)媒介；手段；工具→medium(单数) 8．forbid vt.禁止；不准→forbade→forbidden(过去分词) 1．pay off得到好结果；2．cast down沮丧；不愉快 3．in favour of赞成；支持 * Unit 2 Cloning Warming Up Discussion Read the words correctly and correct the pronunciation. Finish the paper. Showing 5．regulation n．规则；规章；法规→regular adj.规则的；6．object vi.反对；不赞成→objection n．不赞成；异议 3．undertake vt.着手；从事；承担→undertook(过去式)→undertaken(过去分词) 4．correct adj.正确的→correction n．改正；纠正；修正 11．reason n．原因；理由→reasonable adj.合情理的；讲道理的；公道的 12．merely adv.仅；只；不过→mere adj.仅仅的；只不过的 9．retire vi.退休；离开→retirement n．退休，退职，退役→retired adj.退休的；退职的 10．strike vt. vi.打；撞击；罢工→struck(过去式) →struck(过去分词) 7．bring back_to life使复生；使复活 8．in vain白费力气；枉费心机 9．in good/ poor condition状况很好(坏)；情况很好(坏) 4．(be) bound to (do)．..一定或注定(做)…… 5．strike... into one‘s heart使……刻骨铭心 6．from time to time不时；偶尔 记记惯用语 The advanced technique in genetics (遗传学) with which scientists can create or copy things with the same DNA. What is a clone? teaching Oh! My God! I was cloned! Is it good cloning people? Clone? Natural clone Man-made clone 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) . natural clones man-made clones The world’s first cloned mule (驴), The world’s first cloned cat It’s the most famous sheep in the world. Do you know how Dolly is different from other sheep? She was cloned while the others were born naturally. It is the copy of another sheep. Let’s listen to the new words first.(P98)