高三英语公开课.doc

M7U2 Fit for life
Learning aims: to master the important words, phrases and sentence structures in this unit.
1. dull , sharp , beneficial, astonish, relate
2. wear sb out , let out ,subscribe to , if so
Learning methods: team work, multi-media
Part 1 Preview Sheet
一、词形变化

1. beneficial (adj.)
(n.)___________
(v.)___________
2. possess (vt.)
(n.)___________
3. best-selling (adj.)
(n.)___________
4. potential (adj.)
(n.)___________
5. theory (n)
(n.)___________
6. abnormal (adj.)
(反)_________
7. astonish (vt.)
(adj.)__________
(adj.)
(n.) ___________
8. application (n.)
(v.)____________
(n. )___________
9. approval (n.)
(v.)____________
10. addicted (adj.)
(v.)_____________
(n.)_____________
(adj.)____________
11.phenomenon (n.)
（pl.）_______________

二、课文重点短语归纳

1. open up a cupboard 打开柜子
2. prevent strokes预防中风
3. increase the standard of people’s health
提高健康水平
4. reduce the risk of heart attack
降低心脏病发作的风险
5. in contemporary society 在当代社会
6. swell up 肿胀，膨胀
7. in the form of 以…形式
8. have the potential to do有潜力\可能做…
realize/achieve one’s potential

发挥某人的潜能
9. in large quantities 大量地
10. figure out 计算出，理解，弄明白
11. by accident 偶然地，意外地
12. increase the length of people’s lives
延长人的生命
13. fade away 逐渐消退
14. be astonished at/by sth 对…感到惊讶
15.be/get/become addicted to 沉溺于…
16. relate to 涉及，与…相关
be related to 与…有关/联系
relate sth to sb 向某人讲述
in/with relation to 关于；涉及
17. try out for 参加…选拔（或试演）
try for 试图获得，力争赢得
try on 试穿
18. be beneficial to sth/sb
19. be vital for/to sth 对…极为重要
20. take possession of 占有，拥有
sb be in possession of sb 某人占有某物
sth be in the possession of sb为某人所有
21. wear (sth) out 穿破，用坏
be worn out
（某人）精疲力竭；（某物）破烂不堪的
22. mass unemployment/production
大批失业/批量生产
23. it is likely that …/ sb be likely to do …
可能…
24. manage to do…成功地做…
25. subscribe to sth 同意；订阅
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三、句型
佳句欣赏
1. Not only has aspirin proved vital for reducing fever and helping stop pain, but there are also other things that aspirin can help with.（背诵）
仿写：不仅要给那些找工作的人提供帮助，而且也要医疗服务给那些需要的人。

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2. There is evidence that acupuncture began during the Stone Age, when stone tools called bian were used to press areas of the body. （背诵
仿写：有证据表明这幅画能够追溯到明朝，当时许多画家绘制了大量的画作。

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长难句分析
1. Nearly 3,500 years ago, people chewed on leaves or drank a kind of tea made from leaves possessing a special chemical to reduce body pains and fever. 将近3500年前，人们咀嚼一种含有特殊物质的树叶或饮用由这种树叶制成的茶，以减轻身体疼痛或退烧。
分析：________________________________________________________________
2. It was in 1897 that a European chemist called Dr Felix Hoffmann produced aspirin form this.
1897年一位叫菲利克斯·霍夫曼的医生从这种化学物质中生产出了阿司匹林。
分析：______________________________________________________________
3. The first trials of this medicine took place in 1899, when the company Hoffmann worked for began distributing the medicine in powder form to physicians to use with patient.对此药进行的首批试验发生在1899年，当时霍夫曼供的公司开始将这种药以药末形式分发给医师，在病人身上使用。
分析：_______________________________________________________________
4. It astonished him to see the bacteria surrounding the mould dead, which meant that the mould had killed them. 令他十分惊讶的是，他发现这种霉菌周围的细菌都死了，这意味着这种霉菌杀死了他们。
分析：________________________________________________________________
5. If penicillin had not been available, many people would have died from sickness or even small wound. 如果没有青霉素，很多人会死于疾病，甚至很小的伤口。
分析：________________________________________________________________

Part 2 Activity sheet
Activity one: Contest of Preview Sheet
Activity two: Consolidation
Part one：Fill in the blanks with proper words in the wordlist, changing the form if necessary.
1. Nearly 3,500 years ago, people chewed on leaves or drank a kind of tea made from leaves p_______________ a special chemical to reduce body pains and fever.
2. It is v ____________ that every piece of equipment be checked before the experiment.
3. Although she has singing p______ she needs more special training.
4. If the idea of giving up TV for a week is horrifying, you may be a__________ to the television.
5. “Ouch!” cried the boy, feeling a s_____________ pain when a pin stuck into his finger.
6. All the members of the committee gave their ________________(赞同)to the plan.

Part two: Complete the passage with the phrases given in the box below.
be beneficial to open up be vital for be likely to do manage to do
increase the length of life figure out subscribe to
（1）____________ any medicine cupboard or going to any medicine counter, you (2)_____________ find aspirin and penicillin。
Aspirin was invented in 1897. Not only has it proved (3)_____________ reducing fever and helping stop pain, but it has also helped reduce the risk of heart attacks, strokes and some cancers. And in 2003, a Chinese doctor, Dr Yuan Minsheng, found aspirin could help people with diabetes, thus (4)______________.
Another drug that has proved effective in increasing the standard of living is penicillin discovered by Alexander Fleming in 1928 by accident. With the help of two other scientists, Howard Florey and Ernst Chain, in 1940 he (5)_______________to make and test the drug in large quantities. Since they were invented, both drugs have saved millions of people’s lives and have proved (6)________________ mankind.
Activity three : Language focus
1. beneficial adj.
【教材原句】Both of these medicines have saved millions of people’s lives and have proved beneficial to mankind since they were invented.这两种药已经拯救了数百万人的性命而且自从他们被发明以来已经被证明对人类是有益的。
be beneficial to sth./sb.＝ be of benefit to sth./sb. _________________
benefit from/by _________________
for the benefit of _________________
【即时巩固】Translate the following sentence in different ways:
新规定将使所有相关人员受益。

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2. sharp adj.
【教材原句】For example, the needle looking like a sword has been replaced by a sharp knife that doctors use in operations.例如，看着像一把剑的针已被医生手术中用的锋利刀具所取代。
【即时巩固】Read the following sentences and guess the different meanings of sharp:
①The team also expects a sharp increase in the sale of tickets, jerseys and merchandise. ______________
②Jim got a small stab in his hand when he grabbed a sharp corner of his toy. ______________
③She studied the young man with her sharp bright eyes. ______________
④She has got a sharp tongue, which makes everyone around him uncomfortable. ______________

3. let out
【教材原句】　They let out oxygen which is needed by nearly every organism on the planet.
他们释放出星球上几乎所有生物体所需的氧气。
【即时巩固】Read the following sentences and guess the different meanings of let out:
①The person who let out the secret is the one who is to blame. ______________
②Seeing the terrible scene, she let out a sudden scream. ______________
③The waist in the pants needs to be let out. ______________
④Would you let the dog out please？ ______________
【联想归纳】Can you think of other phrases about “let”?

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4. subscribe to
【教材原句】　A lot of people now subscribe to these theories.现在有很多人认同这些理论。
【即时巩固】Read the following sentences and guess the different meanings of subscribe to:
①If you subscribe to the newspaper, you'll benefit a lot from it. _____________
②No one but mad people would subscribe to such views. _____________
【联想归纳】
List some other phrases or structures to express “subscribe to”.

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5. wear sb out
【教材原句】　You'll wear yourself out if you carry on working like that.
你要是继续这样拼命工作，身体会吃不消的。
wear (sth.) out 　　 穿破；用坏
be worn out (某人)精疲力竭；(物)破烂不堪的
【即时巩固】Complete the following sentences:
①If you climb a lot, ______________________________________________.
如果你经常攀爬，鞋就容易穿破。
②___________________________________ after working for scores of hours.
工作了十几个小时后，我累的筋疲力尽。
【联想归纳】
List some other phrases or structures to express “sb be worn out”.

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6. Have you ever seen a doctor? If so, what happened?
你曾经看过医生吗？如果看过的话，发生了什么事？
【联想归纳】Read the following sentences and guess the meanings of the underlined phrases:
①There are few, if any, mistakes in this book. _____________
②If necessary, call me for help when you are in trouble. _____________
③Get up early tomorrow. If not, you will miss the first bus. ______
④He may not be at home then. If so, leave him a note. _____________
⑤She seldom, if ever, goes shopping with her sister. _____________
【即时巩固】Translate the following sentences:
① 听起来，车的发动机出毛病了。如果这样的话，我们最好立刻把它送到汽修厂。
It sounds like something is wrong with the car's engine. ________, ____________________ the garage immediately.
②如果有错，请改一下。

______________________________________，_________________.
Part 3 Consolidation Sheet
一、单项填空
1. The teacher told us that she would ___________ the theory and play us some classical music before the next test.
A. try on B. try for C. try out D. turn out
2. Each member country WTO must ___________ its laws and regulations and compete on the principle of fairness and cooperation.
A. submit to B. cater to C. correspond to D. relate to
3. I haven’t decided which magazine to ________. Could you recommend some popular ones ?
A. depend on B. subscribe to C. account for D. submit to
4. ___ snacks and drinks, but they also brought cards for entertainment when they had a picnic in the forest.
A. Not only they bought B. Not only did they bring
C. Not only brought they D. Not only they did bring
5. My coat was _________ so I had to buy a new one.
A. put out B. tried out C. taken out D. worn out
6. — Mr. Smith, I seem to have caught a fever and feel sleepy.
 — __________, you’d better see a doctor as soon as possible.
A. If not B. If so C. If any D. If ever
7. It was very _______ of you to have noticed that. It is only a very small faults.
A. wise B. helpful C. sharp D. bright
8. When you develop a throat infection or catch a cold the glands(腺) in the neck _______.
A. get up B. make up C. pick up D. swell up
9. The problem with video games is that they are addictive. Once you are _________ to them, you just can’t stop playing.
A. absorbed B. admitted C. addicted D. attached
10. As the years passed, the shadow that the terrible earthquake had cast on his young mind ________. Everything returned to normal.
A. faded away B. ran away C. turned away D. gave away

二、句型转换
1. Reading English aloud in the morning will be beneficial to your advances in study.
= Reading English aloud in the morning will ______ ______ ______ to your advances in study.
= If you read English aloud in the morning, you will ______ a lot ______ it in your advances in study.
2. Rose is a woman who possesses a large company.
= Rose is a woman who ______ ______ ______ _ a large company.
3. Enough sleep is vital to the students' well­being and health.
= Enough sleep is ______ great ______ to the students' well­being and health.
4. I am in favor of the idea that senior students should take the responsibility for their behaviors.
= I ______ ______ the idea that senior students should take the responsibility for their behaviors.
5. If penicillin had not been available, many people would die from sickness or even small wounds.
= ______ ______, many people would die from sickness or even small wounds.

三、语段翻译
有证据表明，有网瘾的青少年更可能患忧郁症(depression)，他们易于将所发生的事与不快乐的经历联系起来，这令他们感到筋疲力尽，更不用说专心学习了。我赞同体育锻炼对青少年的健康是非常重要的这一观点。通过体育锻炼他们不但可以保持积极的心理状态，而且还会有利于他们的身心健康。除此外，为了青少年健康，我们还应鼓励家人多和他们交流，必要时向专家求助。

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Homework: 1. Recite the short passage on the consolidation sheet.
2. Complete the test of this unit in the exercise books “全程方案”.