复习学案1: 人教版新课标高中《英语》必修3Unit 4 Astronomy: The Science of the Star
教学目标:
1. 四会词汇巩固
2. 句型复习
3. 语法复习The Subject Clause
4. 写作训练

Step1.Words and expressions

1.重点单词


a. 默写黑体字单词和常用单(写出一些单词的词性变化,包括一些容易混淆的词性)

(1)系统_______  (2)宗教(n)______ (adj.)_______  (3)理论,学说_______  (4)猛烈的(adj.)_______, (n)_______  (5)和…不同(_)______, dislike(_)______  (6)有害的(adj.)______,(n/v)______ (7)生存(v)______,(n)_______  (8).迷惑,难题______  (9)温和的______  (10)气候______  (11)大气层,气氛_______  (12)拉,牵引力______  (13)漂浮_______  (14) 出席,到场(n) ______,(adj.)______ (15) 因此,所以______


b. 识记理解(知道单词意思即可)

(1) astronomy_____ (2) atom_____ (3) billion_____ (4) globe_____,(adj.)______  (5) fundamental______  (6) acid_____  (7) chain______  (8) multiply_____  (9) oxygen______    (10) biology_____, biologist______  (12) gravity______  (13) satellite______  (14) physicist______  (15) crash_______  (16) spaceship_______


2. 重点短语(写出相关短语搭配)

(1)in time ______, _______; on time ______; take one’s time______;  
(2)lay eggs_______. (过去式,过去分词,现在分词)  
(3)生产,分娩_______  (4)轮到某人______; 轮流干。。_______  
(5)阻止某人干…_________ (n._________) (6)挡住光线________
(7)感到高兴_________  (8)既然________=_______  
(9)爆发________(过去式,过去分词)  (10)密切注意,当心_______  


3. 课文中的短语:(默写课文中出现的重点短语)

(1)根据,按照 (2)以…开始  (3)四面八方  (4)冷却下来  (5)是…的基础  (6)使某人做..成为可能  (7)充满  (8)各种各样的  (9)和,也  (10)第一次  (11)和…不同  (12)作为…的结果  (13)太…以至于不能  (14)取决于  (15)足够幸运干… (16)有一个机会干… (17)向某人解释… (18)接近,靠近  (19)根据一个被广泛接受的理论


* 练习:请用以上复习到的单词和短语练习


  1. violent:

(1) It was the ______ film that I have ever seen.
(2) The ______ in those films was too unreal.


2.选词填空:likely/ dislike/ unlike

(1) He is ______ to be late because of traffic jams.
(2) ______ her brother, she is diligent.

(3) Many people ______ big cities.


3.到处扔垃圾通常有害于我们的生活环境。
(1) Throwing rubbish about usually _________ our living environment.

= Throwing rubbish about usually _________ our living environment.


4.他的孩子轮流照顾他

All his children ___________ 。


5.我们必须阻止孩子们在大街上踢球

We must ________________ football in the street.


6.用puzzle 填空

(1)The student was ______(puzzle) about what to do in the future.

(2)The spelling of English is often ______(puzzle).


7.火灾爆发时,很多人在超市购物

When the fire ____________, many people were shopping in the supermarket.


8.当心火,否则你会被烧伤的

_________ the fire, or you’ll get burnt.


9.既然你的工作已经完成了,你最好休息一会。

________________________, you’d better have a rest.



Step2重点句型(复习本单元的重点句型)
1. What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.

(1) What 引导______从句;(2) Be to do 表_____时态; (3) until 引导时间状语从句;(4)when引导______。


2. It was not immediately obvious that water was to be fundamental to the development of life.

It is/ was obvious that…. _________


3. Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.

Whether 分别引导了_____从句和______从句。


4. I found I was carried twice as far as on the earth and fell over.


倍数表达法:(1).倍数词+as+adj./adv.原级+as
(2).倍数词+adj./ adv.比较级+than

(3).倍数词+the+n.(size/ weight/ length/ width) of


* 练习:
1.我们今天下午4点在车站见面

We _____________________ at the station at four this afternoon.


2. 我们需要的是知识。

______________________________ is knowledge.


3.我们的成败取决于每个人是否努力工作。

Our success ____________________ hard or not.


4.句型转换
(1)The ruler is 4 times as long as that one.

= The ruler is 4 times _________________ of that one. 


Step3语法:主语从句(复习主语从句值得注意的几个方面)
1.定义:在复合句中充当主语的句子叫主语从句。


2.主语从句值得注意到几个方面:

(1)whether 和if: 如果主语从句位于句首则必须用________.
Whether we’ll go camping tomorrow depends on the weather.
(2)在it is necessary/ natural/ important/ strange…+ that-clause 这类句型中,that 引导的主语从句谓语动词用________。
It is necessary that the problem should be settled at once.
(3)主语从句常见句型:
It is +adj./n. +从句
It is a pity/ shame that… 遗憾的是
It is likely/ possible that.. 可能。。。
It +不及物动词+从句
It seems/ appears that… 似乎
It happened that… 碰巧
It occurred to sb that… 某人突然想到
It +be+过去分词+从句
It is said that… 据说
It is known to all that… 众所周知
It is reported that… 据报道
It is believed that… 人们相信

It is suggested that… 人们建议


3.主语从句做主语时谓语动词的单复数形式

一般来说,主语从句做主语,谓语动词一般用____数。但如果what 引导主语从句,而且是名词作表语,这时谓语动词的单复数形式取决于______的形式。
That he survived the accident is a miracle.
What the students need is knowledge.
What the students need are books on science.


4.what和that 的区别

What 引导主语从句,在从句中作句子成分(主语,宾语,表语等)。常翻译成“所…的(东西,事情,话等)。而that只起连接作用,本身无实际意义。在从句中不担当任何句子成分。不能省略。
What we can’t get seems better than what we have.
That we should work out a plan to deal with the present serious situation is important.


* 练习:

1.Before a problem can be solved, it must be obvious ______the problem itself is.
2._______ I don’t understand is ________ they have got into trouble.
3.—— Is it harmful if the news spreads?
——I’m not sure. It remains to be seen ______it will be harmful.
4.______ China will become stronger is certain.
5._______ is obviously right is to give all children equal opportunities to develop their special gift.
6._____  is a fact that our lives today are strongly influenced by the Internet.
7.it’s possible ______ he has not received the letter.
8.______ surprised me most was the news _____our team won.
9.What water is _____(be) clear to us after we attend the chemistry class.
10. It never occurred to me ______ you could succeed in persuading him to change his mind.
11._____is known to us all is _____ Chinese people can unite together to get over any difficulty.
12.______all the pupils in the school felt the same effect of small classes remains to be researched.
13.It worried him a bit ____ his memory was becoming worse.
14.______their flight will arrive on time is _____ they are concerned about.

15.______place the school will be built in has led to different ideas.


Step4 Writing:解决问题类作文(针对这类型的作文给出模板)
1.解决问题类的作文一般可分为三段来写:
首段:提出问题
主题段:分析原因
结尾段:提出解决问题的方法


2.写作时注意:

(1)仔细研读提示信息或图片,明确围绕什么问题或现象展开评论
(2)围绕主题,进行拓展。
根据要求和提示信息合理安排篇章中各部分内容的比例,做到详略得当、条理清楚、文字简练。
(3)时态:一般现在时。如果提示中给出了具体时间,可对时态进行相应的调整。


3.写作模板:

(1)首段提出问题
I’m writing to tell you about the discussion we’ve had about whether_______. Opinions are divided on this question. 70 percent of the students are for the idea, and 30 percent of the students are against the idea.
(2) 主体段分析原因:
As far as I am concerned, there are a large number of factors accounting for the problem above, but the following might be the critical ones. First, _______. Besides, _______. Last but not least, ________.
(3) 结尾段提出解决问题的方法:
Personally speaking, there are a large quantities of ways that can solve the problem. Firstly, _______.Secondly, ________. Thirdly, _________....


* 练习:

你所在的研究性学习小组对“中学生的健康状况”进行了一次调查,主要内容如下:
1. 现状:肥胖人群增多,身体素质逐年下降;
2. 原因:学习紧张,缺乏体育锻炼,较少参加体力劳动,如做家务;饮食不均衡;
3. 专家建议:少上网,保证睡眠,每天运动一小时,多吃蔬菜水果,少吃垃圾食品。
请根据以上信息写一篇英语短文,在英文校报上投稿。
——————————————
——————————————
——————————————
提示:1.时态:一般现在时为主2.人称:第一、三人称3.要点:(1)首段点明问题:中学生的健康现状(2)中间主体分析原因,具体要点可参考题目要求中的提示(3)最后是专家建议。

Step5. Homework