2019新人教高中英语选择性必修一
Unit 2 Looking into the future单词讲解教案
Teaching aims:
1.Enable students to further understand the usages of such important words and expressions as switch,preference,command,combine,oppose,advocate,resist and learn to express yourselves by using the words and expressions.
2.Guide students to learn to use the right collocation between adjectives and nouns,verbs and their objects.
3.Help students to use what you have learned into writing.
Teaching key and difficult points:
1. Help students to learn the bold words and expressions of the unit.
2. Exercises are expected to assist students to express themselves freely in English.
3. How to use the words and phrases in real situations.
Teaching procedures:
StepⅠRevision
Write as many correct pairs of “verb+noun” phrases as possible.
Verbs: detect, integrate, leak, switch on/off, monitor. Cure, have, become,issue, encourage, repair, reject
Nouns: a preference, routine, a warning, cancer, learning, the heater, air quality, potential dangers, oil, innovation, the electrical, writing, fantasies
Example: detect potential dangers ,
Suggested answers:
detect air quality,detect potential dangers,integrate learning,integrate the electrical wiring,leak oil,switch on/off the heater,monitor air quality,monitor the electrical wiring,cure cancer,have a preference,have cancer,become routine,issue a warning,encourage learning,encourage innovation,repair the heater,repair the electrical wiring,reject a warning,reject innovation
StepⅡSelf-directed study—Word Formation
Please find out the relative forms of the following words and at the same time,make out their meanings by referring to the dictionary or reference books.（红为学生作答）
1.distance→adj.distant
2.absent→n.absence
3.resist→n.resistance
4.prefer→n.preference
5.warn→n.warning
6.potential→adv.potentially
7.electricity→adj.electrical
8.secure→n.security
9.innovate→n.innovation
10bination→v.combine
11.predict→n.prediction
12.occupy→n.occupation
13.integrate→adj.integrated　
14.efficiency→adj.efficient
Step Ⅲ　Collocations
1.switch off/on 关/开(电灯、机器等)　
2.save energy 节约能源
3.remote control 遥控器;遥控
4.advanced technology先进科技 
5.daily routine日常生活
6e on跟着来;突然产生;快点;开始;赶快
7.the instant 一……就……
8.respond to 对……做出反应 
9.suggestions on a healthier diet 关于一种更健康饮食的建议 
10.keep track of 与……保持联系;了解……的动态　
11.from保护……免受 
12.a short in the electrical wiring 电路短路
13.provide sb with sth 给某人提供某物 
14.relevant information 相关信息
15.fix the problem 解决问题
16.catch fire 着火
17.have the opportunity to do sth有机会做某事 
18.artificial intelligence(AI)人工智能
19.the deceased 已死的;亡故的
20.in the absence of 缺乏;不存在
21.quality of life 生活品质
22.keep in touch (with)(与……)保持联系;了解(某课题或领域的情况) 
StepⅣ Usages of important words and phrases
In the following part, we’ll study the usages of important words and phrases.（红为学生作答）
1.persuade vt.劝说;说服
教材原句
The passage is likely meant to persuade.
同义句替换：
The passage is probably to make others convinced.
语境感知
She persuaded me to buy a new bike.
Many customers are persuaded into buying something they don’t need.
His teacher persuaded him out of carrying out his foolish plan.
I persuaded him that I was telling the truth.
He can be very persuasive.
It didn’t take much persuasion to get her to tell us where he was.
用法小结
persuade sb (not)to do sth说服某人(不)做某事 
persuade sb into/ out of( doing)sth说服某人做/不做某事
persuade sb of sth使某人相信某事react to的用法
persuade sb+that从句 使某人相信……
persuasive adj.有说服力的;令人信服的
persuasion n.说服;劝说
考点运用
(1)I managed to persuade my classmates to accept(accept)my ideas. 
(2)They were persuaded of my honesty. 
(3)We persuaded her out of going(go)swimming. 
例句仿写
我们相信智能家居会极大改变我们的生活。
We are persuaded that smart homes will greatly change our life.
2.switch vt.转换;交换　vi.& vt.(使)改变;转变
n.开关;转换器;改变
Or,have you ever forgotten to switch off the TV or computer?
同义句替换
Or,have you ever forgotten to turn off the TV or computer?
语境感知
We’ve switched the meeting from Tuesday to Thursday.
Please switch off the TV when you go to bed.
I hear that song whenever I switch on the radio.
Within a few years the whole country will switch over to digital television.
用法小结
switch on/off打开/关上(电灯、机器等) 
switch over to 改变;转变;突变
switch (from)...to...从……转换成……
考点运用
(1)The government would encourage companies to switch from coal
to cleaner fuels. 
(2)Switch on the light.It’s really dark here! 
(3)My brother always switches over to the programmes that he wants to watch. 
例句仿写
家用电器可以自动开关。
Household appliances can be switched on and off automatically.
3.preference n.偏爱;爱好
教材原句
Your home will also learn your daily routine and preferences.

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