2019新人教高中英语选择性必修三
Unit3 Environmental Protection词汇教学教案
Teaching aims:
1.Enable students to further understand the usages of such important words and expressions as starve,release,frequently,harmonious and submit,etc;learn to express yourselves by using them.
2.Guide students to learn to use the right collocations between adjectives and the nouns,verbs and their objects.
3.Help students to use what you have learnt into writing.
Teaching key and difficult points:
1.Help students to learn the bold words and expressions of the unit and express themselves freely in English.
2.How to use the words and phrases in real situations.
Teaching procedures:
StepⅠ　Self-directed study—Word Formation
In your self-study time,pleaseprogramme用法 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.
1.emission-vt.    　 
2.starve-n.     
3.habitable-n.    　 
4.sustain-adj.    　 
5prehensive-n.    　　-vt.     
6.frequently-adj.    　　-n.     
7.restrict-n.      
8.harmonious-n.     
9.submit-n.     
10.annual-adv.     
11.chaos-adj.    　 
12.originate-n.    　　-adj.     
13.conservation-vt.    　 
14.regulation-vt.    　 
15.inspection-vt.     
16.tolerate-adj.    　 　-n.     
Suggested answers:
1.emit　2.starvation　3.habitat　4.sustainable
5prehension/comprehend　6.frequent/frequency
7.restriction　8.harmony　9.submission　10.annually
11.chaotic　12.origin/original　13.conserve
14.regulate　15.inspect　16.tolerant/tolerance
StepⅡ　Collocations
Try to retell the story,using the lexical chunks below.
1.climate change 气候变化;气候变迁
2.along with 连同……一起;和……一道
3.melting ice and rising sea levels 正在融化的冰以及上升的海平面
4.a dramatic change 急剧的变化
5.be shocked by 被……惊呆了
6.according to 根据……
7.appear to 似乎;好像
8.in order to为了……
9.this alarming case 这个令人震惊的事实
10.have an impact on 对……有影响
11.greenhouse effect 温室效应
12.refer to 参考;涉及
13.keep Earth’s climate warm and habitable 保持地球气候温暖且适宜居住
14.huge amounts of 大量的
15.fossil fuels 化石燃料;矿物燃料
16.strong and comprehensive evidence 有力且详尽的证据
17.take appropriate actions 采取恰当的措施
18.economic losses 经济损失
19.result in 导致
20.seize every opportunity to 抓住每一个机会
StepⅢ　Usages of Important Words and Phrases
In the following part,we’ll study the usages of the words and phrases.
1.starve vt.&vi.(使)挨饿;饿死
【教材回顾】
An expert who has studied polar bears for many years said that from the position of its dead body,the bear appeared to have starved and died.
【同义句替换】
An expert who has studied polar bears for many years said that from the position of its dead body,the bear appeared to have hungered and died.
【语境感知】
(1)And a government can starve public broadcasters of money,too—as the BBC is painfully learning.
(2)The animals were left to starve to death.
(3)The new job doesn’t pay as much but we won’t starve!
(4)When do we eat?I’m starving!
(5)He said the only alternative was to starve the people,and he said this could not be allowed to happen.
【用法小结】
starve to death 饿得要死
starving adj.挨饿的;即将饿死的
be starving 饿极了
starvation n.挨饿;饥饿
suffer from starvation 遭受饥饿
starve for 渴望;急需
【近义短语】
long for=die for渴望;急需
【考点运用】
(1)Here are two loaves of bread and a ham for you,so that you won’t     　(starve). 
(2)It was a race against time to stop people dying from     　(starve). 
【例句仿写】
在这样的情况下我急切渴望得到你的帮助。
2.release vt.&n.排放;释放;发布
【教材回顾】
The heat is released back into space at longer wave lengths.
【同义句替换】
The heat is given out back into space at longer wave lengths.
【语境感知】
I just encourage people to breathe,to practise being in touch with their breath.“Breathing in I relax,breathing out I release.”
我只是鼓励人们呼吸,练习与呼吸建立联系,吸气,放松,呼气,释放
普林斯顿公开课——人性课程节选
(1)The government has been working to secure the release of the hostages(人质).
(2)She can expect an early release from prison.
(3)Firefighters took two hours to release the driver from the ruins.
(4)He refused to release her arm.
【用法小结】
release a prisoner 释放犯人
a good way of releasing stress 一种释放压力的好方式
the release of CO2 into the atmosphere 大气中二氧化碳的排放
【近义短语】
give out 排放
【考点运用】
(1)The London-based foursome are set to     　(release) their fourth single this month. 
(2)The promotion of a big     　(release) can inflate a film’s final cost. 
【例句仿写】
今晚要发行一部新电影。
3prehensive adj.全部的;所有的;详尽的
【教材回顾】
There is strong and comprehensive evidence that the rise in temperature has led to an increase in extreme weather and natural disasters

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