山东省泰安市肥城市第三中学高中英语 Unit 4 Astronomy the science of the strars（第二篇）课文学案 新人教版必修3
教学内容
学习目标:
1.知识与能力：To grasp the main idea and know the language points in this passage
2过程与方法：To know how the story develops
3.情感态度价值观：To master the main idea of the text .
学习重点: To know the main idea of the passage and some language points..
学习难点: To master the main idea of the text and some language points..
【学案使用说明】提前认真预习课文的前提下完成
学习指导即时感悟
【课前预习】请同学们把下列短语翻译成汉语
1.乘宇宙飞船 _________ 2.被向后退到座位上________
3.有机会做某事__________ 4.去旅行_____________
5.向某人解释某事____________ 6.离开_____________
7.挣脱地球引力_____________ 8.掉回到_____________
9.离…..很远____________ 10.接近_____________
11.感到高兴\振奋____________12.迈步向前_____________
13.摔倒_____________ 14.既然_____________
15.掌握\精通_____________ 16.突发\爆发_____________
【自主 合作 探究】细读课文，完成下列练习。
1......,but it will not be as strong a pull as the earth’s.……,但它不如地球的引力那么强。此为as...as...比较结构：
[解析] as+adj +a(an)+n+as是一个固定结构：
I can't buy as good a book as that one=I can't buy a book as good as that one.我不能买到和那本书一样的书。
(1)他和他的父亲一样是个帅男人。
_________________________________________________________
(2)我希望你和你的爷爷一样过着健康幸福的生活。
_________________________________________________________
基本用法：as+形容词或副词原级+as分句。否定形式为not as/so...as。
John is _____________ Bob.
约翰与鲍勃一样聪明。
The girl was __________________ she was beautiful.
这姑娘既漂亮又聪明。
2......,I found I was carried twice as far as on the earth and fell over.……
[解析]倍数表达法：(1)...times as...as... 是……的几倍(2)...times+形容词/副词比较级+than(3)...times+the size/height/length/width/depth+of
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我的房子是我父母房子的两倍大。
My house is two times as big as my parents’.
My house is two times bigger than my parents’.
My house is two times the size of my parents’.
即学即用：Asia is _______________________ Europe.（三种方法）
亚洲的大小是欧洲的4倍。
3. After a while I got the hang of it and we began to enjoy ourselves.
get the hang of 理解；领会
你理解我所说的了没？
___________________________________________
4、“Oh, dear,” I cried,“walking does need a bit of practice _________ gravity has changed.” now that意为：___________。
now that是固定短语，意为“既然；由于”，引出原因状语从句，that可省略。
(1)既然恢复了健康，他就可以继续学习英语_________________________, he can go on with his English study.
(2) Now that you have finished your work, you’d better have a rest.
【当堂达标】
1. The discovery of gold in Australia led people to believe that a fortune______.
A. is made B. would make C. was to be made D. had made
2. We arrived on the platform just as the train was ______.
A. pulling in B. pulling down C. pulling through D. pulling together
3. It’s said that the power plant is now _____ large as what it was.
A. twice as B. as twice C. twice much D. much twice
4. This restaurant wasn’t _____ that other restaurant we went to.
A. half as good as B. as half good as C. as good as half D. good as half as
5. The sun was so bright that he drew the curtain to __ the sun.
A. block in B. block off C. block up D. block out
【总结提升】用所给词的正确形式填空
now that /block out /watch out /break out /cheer up
1. That guy was a dangerous person. You should ____ for him.
2. You look sad,______! Everything will be all right soon.
3. _______ Bill has a long holiday, he can go abroad to have a trip.
4. Fighting _____ between the fans of the two football teams yesterday.
5. After a while, the sky was _____ by black clouds.
【拓展延伸】Homework
Find out the important and difficult words and expressions to you in the text.
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答案：
1.in our spaceship 2.be pushed back into the seat 3.have chance to 4.make a trip
5.explain to sb sth 6.be off 7.escape the pull of the earth’s gravity 8.fall back to
9.be far from 10.get close to 11.cheer up 12.step forward 13.fall over 14.now that 15.get the hang of 16.break out
He is as handsome a man as his father
I hope you can live as happy and healthy a life as your grandfather does.
As clever as
My house is twice as large as my parents’.
Four times as large as
Have you got the hang of what I said?
Now that 既然
Now that he is well again
CAAAD
Watch out cheer up now that broke out blocked out
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