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高中英语《Module4SandstormsinAsia第3课时》学案外研版必修3

Period 3: L anguage Points
学习目标 1. 扎实掌握高频词汇的用法,提升综合语言运用能力。
2. 自主学习,合作探究;学会分析与总结的方法并学以致用。 3.激情投入,惜时高效,体验进步的快乐。
4.了解沙尘暴对环境的影响,唤起人们加强环保意识。 重点: 1.重点词汇的学以致用。 2.掌握重点短语的用法。 课前预习 预习自测: 经典句式——再现 1.make+宾语+宾语补足语(it 作形式宾语)
The sto rms sometimes continue all day and traffic moves very slowl y because the thick dust makes_it_difficult_to_see(降低了能见度). 2.can't help but 不得不做 I ______________________ (不得不感到)very concerned. 3.if+形容词/副词 The garbage is then taken away and,___________(如果可能的话),recycled. get sb to do sth 让某人做某事 The “Green”movement tries to get_governments_to_think_seriously_about(让政府认真思考)the environment and how to look after it. 课内探究 质疑探究: 核心短语——点入线,基础建 1. cut down 砍倒;削减,缩小(尺寸、数量或数目);驳倒 Firstly,when people cut down trees,generally they can only use the land for a year or two.(安徽卷) 首先,一般说来人们砍倒树后,那地也就使用一两年而已。 cut in 插嘴,打断 cut ___________切断;中断;隔绝
cut out___________ cut across 走捷径;抄近路穿过 cut ___________刺穿 ①I'm cut_out for gardening.我擅长园艺。 ②He felt almost___________during the long period in hospital.长时间住院他感到近乎与世隔绝。 2. take in 包括;吸收;理解;欺骗
Alcohol is taken in more quickly when drunk with fruit juice. 同时饮用果汁酒,酒精吸收更快。 take back 收回(诺言);带回 take down 拆掉;拉低(衣服);写下 take up 占据;以后;继续 take on 呈现;雇用

take over 接管;占领 take off 脱掉;起飞;成功 ①Please ___ ________the story,Sir,for I'm eager to know what happened then. 先生,请继续讲那个故事,我很想知道后来发生了 什么事。 ②She ___________ pletely with her story. 她用她的故事把我完全蒙蔽了。 3. give out 放出;发出;宣称;公布;发表;分发;用完;耗尽;精疲力竭 巧学助记

①Both the man and the horse gave_out after th e long ride.赶了很长一段路后,人马俱疲。 ②It was ___________ that the minister would visit our school.据说部长要来我们学校。 小贴士 (1)give out 意为“分发;发表;放出”时是及物动词短语。 (2)表 示“用尽,用完”时,give out 与 run out 是不及物动词短语,主语常是物,不能用于被动语态;而 use up, run out of 是及物动词短语,可用于被动语态。主语往往是人。
We used up the petrol. =Our petrol was used up. =We ran out of the petrol. =Our petrol ran out. =Our petrol gave out. 我们汽油耗光了。

4. have a bad effect on对……有坏的影响

学情诊断

(1)介、副词填空 ①The new tax rates e ___________ effect from April. ②It won’t be easy to put the plans ___________ effect. ③Modern farming methods can have a negative effect ___________

the environment. ④We warned them,but ___________no effect.

(2)Can you describe the effect that high technology has________your life?

A.to

B.for

C.in

D.on

归纳拓展

have an effect on 对……有影响 e into effect 生效;开始实施 bring/put...into effect 使生效;实行,实施 take effect 开始起作用,见效

to no effect 毫无效果;不起作用



实际上;在实施中

5.

双语释义 简言之;总之;一句话(in a word,shortly speaking) 学情诊断

(1)同义词语替换 To_put_it_in_a_nutshell,the show was a total disaster.

To_put_it_simply/To_be_brief/In_brief/In_short/In_a_word (2)完成句子 ①___________,in Qianmen Street you can en joy the Chinese lifestyle. 总之,在前门街你可以享受到中国式的生活方式。

②___________,people in the south like rice. 总的来说,南方人喜欢大米。

当堂检测:

1. Which do you think is more dangerous,an earthquake or a sandstorm? 你认为哪一种更危险,地震还是沙尘暴?

句型公式:疑问词+do you think+句子的其余部分 (1)将下列句子合并 ①Who can answer the question?Do you think?

陈述语序 学情诊断

→Who_do_you_think_can_answer_the_question? ②Where does he live?Do you know?

→Do_you_know_where_he_lives?

(2)Mum is ing.What present ________ for your birthday? A.you expect she has got B.you expect has she got C.do you expect she has got D.do you expect has she got 归纳拓展

在句型“疑问词+do you think+ 句子其余部分”中,do you think 为插入语,其后的句子部分用陈述 语 序。用于该句式结构的动词除 think 之外还有 believe,suppose,suggest,expect,imagine 等。
与疑问词连用时,不能把疑问词放到句首。

2. Sandstorms in China appear to have increased in recent years as a result of “desertification”. 因“荒漠化”越发严重,中国近年来发生沙尘暴的次数明显增加了。

句型公式:不定式的完成式

学情诊断

(1)用所给动词的适当形式填空 ①The boy student pretended ________________________________

(finish) his homework. ②I’m sorry _____________________ (keep) you waiting for such a long time. ③He is said _____________________ (study) abroad for many years.

(2)People in developed countries are supposed ________ more healthy food before than what they have today.

A.to be had

B.to have

C.had

D.to have had

归纳拓展 不定式的完成式表示不定式的动作或状态在句子谓语动词表示的动作或状态之前发生,意为“已经做了某 事”。 课后训练 选词填空 cut down;take in;in a nutshell;be caught in;look through;give out 1.Who will _____________a dirty pet like that? 2.We should _____________ chemical plants to protect our environment. 3.To put it _____________,the show was a total disaster. 4.Students were _____________ leaflets to ever yone on the street. 5._____________ the article and give me the general idea. 6.He_____________the heavy snow last night.