河北省石家庄市复兴中学高中英语选修八人教版：Unit 2 Cloning 教学案.docVIP

选修八 Unit2 Cloning 班级 姓名 小组________第____号 【学习目标】 Knowledge aims: 1．Get students to learn the useful words and expressions in this unit. 2. Let students learn about the procedure of cloning. 【学习重点】 1. Develop students’ different reading abilities. 2. Enable students to talk about the procedure of cloning. 【学习难点】 1. Let students learn more about the cloning techonology; 2. Get students to learn different reading skills,especially the reading ability of understanding implied meaning of the author. 【学情分析】Students need to improve their vocabulary ability. 回顾旧知 早读内容检查 词汇变形 1.differ v.________adj.________n.________ 2.commercial adj.________n.________ 3.undertake v.________过去式________过去分词_____________ 4.pay off ________过去式________过去分词________ 5.cast v.________过去式________过去分词________ 6.correction n.________v.________ 7.object v.________n.________ 二.自主学习 大声阅读P 98 单词，两英一汉加词性。 三 小组讨论，提问展示 1. resist 【例句】 1) He is in good health—he is able to resist diseases. 他身体健康，能抵抗疾病。 2) I couldn’t resist having a look at her diary. 我忍不住看了一眼她的日记。 3) There has been a lot of resistance to this new law. 这项新的法律已经遇到很多的抵制。 【拓展】 resist vt.抵抗；忍住，多与cannot, couldn’t连用，后跟动词时，常用resist doing sth. 结构。 (1)be hard/impossible to resist难以拒绝 resist sb./sth.抵抗/抵制某人/某物 can’t/couldn’t resist doing sth.禁不住做某事 resist doing sth.抵制做某事 (2)resistant adj.抵抗的；有抵抗力的 be resistant to...对……有抵抗力 (3)resistance n.抗拒；反对 【练习】 1)她到达那里时，忍不住想进去。 When she got to the place, she could not ___________________. 2)人们认为上了年纪的人会抵制变革。 It’s believed that elderly people ____________________ change. 3) The no-smoking policy was introduced with little _______ (resist) from staff. 2. obtain 【拓展】acquire / gain / earn / achieve obtain意为“获得，买到”。指通过努力或请求而得到，含有满足要求或得达到目的的意味，用于正式语体中。 acquire意为“经过努力逐步获得才能、知识、习惯等，也可用于对财物等的获得”，强调“一经获得就会长期持有”的含义。 gain意为“通过较大努力获得某种利益或好处；亦可指军事上的武力夺取等”。 earn意为“挣得，赢得”。指因工作等而得到报酬或待遇。 achieve意为“得到；获得”，多指成就、目标、幸福的取得。 【练习】用obtain，acquire，gain，earn，achieve的适当形式填空。 1) How much do you