1、高二英语选修8 Unit2第2-3课时 Language points Teaching goals 1 .Enable the students to learn the key words , expressions and sentences.2.Teaching important and difficult points: Master the use of the key words ,phrases and sentensespart 1 language study1. differ different difference mercial commerce3. disturb
2、ing disturbed disturbdisturbance 4.medium media (pl.)5 forbid allow /permit (opposite word) 6accumulate -accumulation7assumption assume (v.) 8.regulation regular(adj.) regularly 9.resist resistance(n.) resistant(adj.) 10.decoration decoratePart 2Languge points1. differ vi. 不一致, 不同, 相异, 不同意, 意见相左常见的搭
3、配有:1) A and B differ in 2) A differs from B 3) sb differ from/ with 4) sb on/ about / over /upon sth拓展: different adj. difference n be different from make no difference to sb. make a difference 即时练习：用介词 from, with, on, about, upon 或 in 填空。(1) We differ _ him _ that question.(2) The two nations diffe
4、r _ culture and religion. (3) The climate here differs _ that of the South.2. undertake vt._ _ _undertake sth 承担某事 undertake a task/ project 承担一个任务/项目undertake to do sth 许诺做某事/ 同意做某事 undertake that 保证即时练习：(1).He will _ _ _ next month (去旅行). (2).我愿意承接这项变革的责任 I can _ _ _ for the changes.(3).他许诺当我们的向导.
5、 He _ _ _our guide .3.pay off 1)（事业、计划）成功：2)付清薪水并解雇；3)偿还（债务等）1)他付清全体船员的工资并将他们解雇。He _ _the crew of the ship.2)最终他还清了所有的债务。 _.4. cast down：feeling unhappy and depressed使沮丧, 低沉， 使下降, 推翻be cast down = feel discouraged He was much cast down by the failure of the experiment.即时练习：将下列句子译成英语(1) 听到这个消息他很沮丧。_(
6、2) 发现事情的真相使他很沮丧。_拓展: 词汇cast about/around for_ cast away _ cast aside _ cast off _ cast out _5objection n._ have/make an objection to (doing) sth. raise an objection object vi./vt. object to sth./doing sth. object to sb doing sth object thatWe object to being treated like this. _.I object that he is
7、too young to take that position. _.即时练习：将下列句子译成英语学生反对像孩子似地被对待。_我们反对因为一个人的错误而惩罚整个班级。 6.a storm of .常常指感情猛然爆发或强烈表现(Sudden violent outburst or display of strong felling) 一阵猛烈的抗议 a storm of protests 一阵弹雨/箭雨 a storm ofbullets/arrows 一阵暴风雨般的掌声/欢呼声 a storm of applause/cheers 一阵辱骂/抨击 a storm of abuse/critic
8、ism7. have/make a strong/ great impact on对.有（或产生）巨大影响(冲击）翻译: 这场反对吸烟的运动对年轻人有极大的影响。_ 这本书对读者产生了巨大的影响。_拓展: have an effect on _ have an influnce on 8. Identical adj.同一的，一模一样的我们双方对应当怎么办的看法是一致的。We _in our views of what should be done.这是我们去年住过的那家旅馆。This is _that we stayed in last year.9. be appropriate to.
9、适合于. ; 与.相称的（=be suitable for a particular person, condition, occasion or place; fitting) 用与你的题目相称的题材写。 Write in a style _to your subject. 他的便服,不适宜在这样正式的场合穿。 His casual clothes were not_ for such a formal occasion.10. accumulate vt/vi 收集, 聚集, 堆积。 翻译: He accumulated a fortune by hard work._.教育的目的不仅仅是
10、知识的积累。 _. Dust accumulated during my absence. _. accumulation n. 积聚 the accumulation of knowledge _.11. be bound to do sth.1)注定，2)一定会(法律责任或义务)做某事。明天天气一定会变好。_.我觉得有必要对你说，你酒喝得太多了。_.Part 3 随堂练习：complicated fate attain cast accumulate reform carrierAs Freddy the frog grew older, he only had one ambition
11、left to _ - to continue his career forever. To do this he thought that he would have to clone himself. The doctor explained that this was a _ procedure that he should consider carefully. Shortly after Freddy did some research, he discovered the _ of Dolly the sheep. It seemed as if a clone was a _ o
12、f more weaknesses than its original. Freddy was _ down and looked for some way to _ the cloning procedure to avoid this problem. Sadly this seemed impossible. So Freddy made up his mind to enjoy his singing and to _ as many happy experiences as he could so that when he retired he would be able to look back on his life with satisfaction.