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2018人教版高中英语选修八课件:unit 2 cloningsection ⅱ learning about language


新知识· 预习探索 Ⅰ.重点单词 1.shortly adv. 立刻;不久→short adj. 短的;缺少;短缺 →shorten vt. (使)变短;缩短 2.retire vi. 退休;离开→retirement n. 退休 3.assumption n. 假定;设想→assume vt. 假定为;(想当然地) 认为→assumed adj. 假装的;假定的;设想的 4.regulation n. 规则;规章;法规→regular adj. 规则的;有规 律的;定期的→regularly adv. 有规律地;定期地 5.strike v. 打;撞击;罢工→striker n. 罢工者;罢课者 →striking adj. 引人注目的;显著的 6.resist vt. 抵抗;对抗→resistant adj. 抵抗的;有抵抗力的 →resistance n. 抵抗;反抗;抵抗力 7.merely adv. 仅;只;不过→mere adj. 仅仅的;只不过 8.decoration n. 装饰→decorate vt. & vi. 装饰→decorative adj. 装饰用的→decorator n. 装饰者 9.reasonable adj. 合情理的;讲道理的;公道的→reasonably adv. 合情理地;通情达理地→reason n. 理由;推理 vt. & vi. 推 论;推理 Ⅱ.重点短语 1.make up one's mind 下定决心 2.look back on... 回首 3.be bound to... 一定或注定(做) 4.strike...into one's heart 使……刻骨铭心 5.from time to time 不时;偶然 6.bring back to life 使复活;使复生 7.in good condition 状态很好;情况很好 8.根据,按照 according_to 9.和……比较 compared_with... 10.欠某人…… owe_sb._sth.或owe_sth._to_sb. 11.白费力气;枉费心机 in_vain 12.传递 pass_on 13.死于…… die_of/from 14.过着自然的生活 lead_a_natural_life Ⅲ.重点句型 1.Did she die young because she was a clone? 它死得早是因为它是克隆羊吗? 2.She must_have_left_home as she was wandering round the town at midnight. 她一定是离开了家,因为她半夜在城中到处走动。 3.Unfortunately, with what we know now, this is either_impossible_or_unsuitable. 不幸的是,根据我们现在所知,这要么不可能,要么不合适。 4.Diversity in a group means having animals with_their_genes_arranged in different ways. 种群多样性是指种群中动物的基因以不同的方式排列。 Ⅰ.根据课文内容选择最佳答案 C 1.The writer of the text ________. A.is excited by the possibility of cloning fierce and extinct animals B

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