发布时间 : 星期三 文章人教版高中英语选修8 Unit2 词汇精品学案更新完毕开始阅读
Unit2词汇精品学案
【重点难点】 Use the important words and phrases in communication. 【学习过程】 Step 1. Revision 1. Free talk
Get the students on duty to give a three-minute free talk in order to improve their spoken English. 2. Dictation
Get the students to spell some words learned in this unit Step 2. Presentation
1. Think about how they differ. 想一想他们如何不同。 differ v. 不同，相异，意见不一致 1) The boy differed from his mother in character. 这个小孩在性格方面不同于他的母亲。
2) The government differs with consumers on the prices of flats. 政府和消费者在房价方面意见不一致。
3) It made no difference to me whether you told me about it or not. 你告不告诉我都不重要。 拓展
differ from…… 与……不同； differ in…… 在……方面不同 differ with sb. 与某人意见不同; be different from…… 不同于…… tell the difference between A and B 指出A与B的不同；
make a difference有影响； make no difference to sb/sth 对某事没影响；对某人不重要 汉译英:
1)无论哪一方获胜，对我都不重要。
_______________________________________. 2)我与你在这个观点上是不同的。
_______________________________________.
2. It is a difficult task to undertake.（undertook; undertaken） undertake v. 从事, 保证
1) I’ll undertake your security. 我将保证你的安全. 2) He undertook to finish the job by Friday.
他答应星期五之前完成这项工作。(undertake to do sth 许诺做某事；同意做某事) 3) 我们可暂时担当这项工作。（译英）
_____________________________________________. 4) She ____________ the organization of the whole project. A. undertook B. carried out C. put up D. took off
3. But at last the determination and patience of the scientists paid off in 1996 with a breakthrough ---the cloning of Dolly the sheep.
但是决心和耐心使科学家们最终于1996 年收获了突破性的结果-----克隆羊多莉。 pay off
（1）得到好结果，取得成果
1) His efforts paid off when the girl accepted his proposal. 他的努力没白费，女孩接受了他的求婚。
2) Years of hard work _________________ in his future career. （多年的辛劳使他在以后的事业上获得了成功） （2）偿清，还清
3) I _________________ by next month. （我到下个月就将还清所有的债务） 拓展
pay for 付钱买，付出代价 ；pay the bill 付账 ；pay back 还钱；还债；偿还 ； pay a visit to 拜访；pay attention to 注意 4) Who ______________（付钱）the book?
5) All the money you borrowed from the bank ______________.（必须归还） 4. On the other hand, Dolly’s appearance raised a storm of objections and had a great impact on the media and public imagination. 另一方面，多利的出生引起了一阵强烈的反对，对媒体和公众的想象力也产生了