高中英语必修五第四单元教案

Unit4 Making the news 一、语言要点I单元要点预览（旨在让同学整体了解本单元要点）II 词语辨析(旨在提供完形填空所需材料)III 词性变化（旨在提供语法填空所需材料）IV 重点词汇（旨在提供综合运用所需材料）1）concentrate vt.集中；聚集[典例]1）Authority was concentrated in the president. 政权集于总统一身2）We concentrated on the task before us. 我们专注于眼前的任务[重要用法]concentration n. 集中，专心with deep concentration专心concentrate one's attention on [upon] 把注意力集中在[练习]汉译英1) 如果你全神贯注，就能解决这个问题。

_______________________________________________________________________________ ___________2) 面对巨大的灾难，整个社会致力于解救废墟中的人们。

_______________________________________________________________________________ ___________Key: 1)You’ll solve the problem if you concentrate upon it. 2) Facing the great disaster, the whole society concentrated its attention on rescuing the people in ruin.2）course n.过程；进程；课程；一道菜[典例]a course of medical treatments. 医学治疗的一个疗程a short -term course短期班a dinner of five courses有五菜的正餐[练习] 汉译英---在上课期间必须关闭手机吗？---当然。

_______________________________________________________________________________ ___________Keys:---shall we shut the mobile phone in the course of lecture?---of course.3）trade 1) vi.交易, 买卖, 经商, 对换, 购物vt.用...进行交换 2) n.行业；贸易；商业[典例]1）He is engaged in trade.他经商。

2）This is the trick of the trade. 这是经商的诀窍。

3）England trades with nearly all the countries in the world.英国几乎与世界上所有的国家进行贸易往来。

[重要用法]trade in…做...生意, 经营trade sth. for sth.以...换取...;trade sth. with sb. 同某人交换某物[练习]汉译英1）如果你不喜欢你的书, 我和你对换。

_______________________________________________________________________________ ___________2）你愿意将这本杂志换你的袜子吗？_______________________________________________________________________________ ___________Keys1）If you don't like your book, I'll trade with you. 2）Would you like to trade the magazine for your socks?4）defend vt.防护,护卫; 以行动, 语言或文字替...辩护或答辩[典例]1.defend the motherland保卫祖国2.The accused man had a lawyer to defend him. 被告有一律师为他辩护。

[重要用法]defend against保卫; 抵抗defend from保护, 保卫(使不受伤害)[练习] 汉译英1）警察的职责是保护民众不受伤害。

_______________________________________________________________________________ ___________2）他试图通过描述事实来保护他的声誉。

__________________________________________________________________________________________Keys: 1) It’s policemen’s duty to defend their people from harm. 2）He tried to defend his reputation by describing the truth.5）senior adj.年长的；高年级的；高级的n.年长者，长辈[典例]senior staff高级职员a senior officer高级军官a senior high school高中senior student高年级学生she has a good relationship with her senior.[重点用法]be senior to…比……年长[练习] 汉译英1)我比你大两岁._______________________________________________________________________________ ___________2)她最终选择嫁给了大她十岁的绅士。

_______________________________________________________________________________ ___________Keys: 1) I am two years senior to you. 2) She finally chose to marry a gentleman ten years senior to her.6）approve vt. 赞成；称许；批准[典例]1) Her father will never approve of her marriage to you. 他父亲永远不会同意她和你结婚。

2) Congress approved the budget. 国会批准了国家预算。

[练习] 汉译英1) 开始他不赞成这个决定,后来被说服了。

_______________________________________________________________________________ ___________2) 老师看了约翰的作业表示赞许。

_______________________________________________________________________________ ___________Keys: 1)The teacher looked at John's work and approved it. 2)At first he didn't approve of the decision, but soon he was persuaded.7）polish vt.擦亮；磨光；润色[典例]1) Silver polishes easily with this special cloth. 用这块特殊的布能很容易把银擦亮。

2) When handed in, the article needs polishing. 文章交上去前得进行修改。

[练习] 汉译英1）你可以通过练习提高钢琴演奏技。

_______________________________________________________________________________ ___________2）这首歌在出版前经过了一次又一次的修改。

_______________________________________________________________________________ ___________Keys: 1) you can polish your piano technique by practicing. 2) The song was polished up again and again before being published8）employ vt. 雇用, 用, 使用[典例]1)He is employed in an international company.他在一家跨国公司任职。

2)She is good at employing her time.她善于利用时间。

[重点用法]in the employ of sb. =in sb.'s employ受...雇用out of employ失业[练习] 汉译英1)多次面试后，这名毕业生终于被一家国企录用了。

_______________________________________________________________________________ ___________2)从那时起他就花大量时间和精力在这项业余爱好上。

_______________________________________________________________________________ ___________Keys: 1) After several interviews, the graduate managed to be employed in/ to be in employ of a state enterprise. 2) Since then he employs much time and energy to the hobby.9）intention n. 意图, 目的[典例]1) The leader has no intention of cooperating with such a small company.领导无意与小公司合作。