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高二教案 第624期
发布时间:2016-02-22

15-16学年第26期总第624期高二教案

New Waves Found (P2)
南昌市外国语学校  朱庆鹏
I. Word bank
chirp                    v. 发出啁啾声
cosmic                   adj. 宇宙的
stretch                  v.伸展
contract                 v.压缩
ripple                   v.起涟漪
fabric                   n.编织物
sag                     v.中间下陷
billion                   n. 十亿
massive                 adj.巨大的
width                   n. 宽度
atom                   n.原子

II. Know your root
1. ---tect  cover 盖,盖上
detect  v.查明,发现 protect   v.保护,保卫
2. ---tract   draw,拉,拖
attract  v.吸引;诱惑 contract  n.合同,契约 extract v. 提取,萃取  detract v. 贬低;减损

III. Lead-in
1. What do you know about the new waves?
Generated in a fluid medium or at the point where two media meet.
The force of gravity or buoyancy tries to restore equilibrium.
2. Which physicist do you admire the most?
Albert Einstein: German-born theoretical physicist who developed the general theory of relativity.
Isaac Newton: English physicist and mathematician who is widely recognised as one of the most influential scientists of all time and a key figure in the scientific revolution.
Galileo Galilei: Played a major role in the scientific revolution during the Renaissance. Also worked in applied science and technology, inventing an improved military compass and other instruments. The “father of modern physics”.

IV. Skimming
What does the passage talk about?
What gravitational waves are and how they work.

V. Scanning
What do scientists think about the finding of gravitational waves?
It is the day human beings “heard” the universe “chirp”.

VI. Detailed reading
1. According to the passage, when did the LIGO detect the gravitational waves?
They were detected in the US on Sept 14, 2015 by the Laser Interferometer Gravitational-Wave Observatory.
2. How can the gravitational waves help scientists?
They can give scientists new knowledge of cosmic events like the Big Bang and black holes, and will eventually help them understand the laws of the universe.
3. What happens when heavy objects move through space-time?
Gravitational waves follow their paths and spread outward.
4. Why is it hard to detect the gravitational waves?
Because the changes that gravitational waves cause are unbelievably tiny, far smaller than a single atom.
5. What have scientists found out from the gravitational wave detected in September?
Two massive black holes hit each other and became one in a faraway galaxy about 1.3 billion years ago.

VII. Usage tip
So what are gravitational waves?
So作副词用时,意为“这样”、“如此”,常用来代替整个句子或某一情况的全部。例如:  Do not use the computer until I tell you to do so.
So作连词用,意为“因而”、“所以”。文章中的用法并不是很严谨,即So不能单独用在句首(下文because亦是如此),但无伤大雅。He was ill, so he didn’t go to school.


Respect difference (P3)
南昌市铁路第一中学  李欣荣
I. Word bank
mumble                        v. 含糊地说;咕哝
prayer                         n. 祈祷;祷告
reflection                      n.反射;映象;反映;反省
dismissal                      n. 放学;免职;解雇
reflect upon                   考虑;回顾;反思
Buddhism                      佛教
be packed with                 塞满;挤满
allegory                       n. 寓言
atheism                        n. 无神论
faithful                       adj. 忠实的;虔诚的
Confucianism                  儒教

II. Pre-reading     Discussing
“When we are invited to a friend’s home, we should remember: ‘When in Rome, do as the Romans do.’”
Discuss your opinion of this statement.

III. Fast reading
1. How does the author sound when telling the story about the prayer?
 A. Curious.             B. Anxious.
 C. Cautious.            D. Humorous.
答案:A。
2. According to the second paragraph, what do people in the author’s school do frequently?
They pray.

IV. Careful reading
1.How long did the author take to understand the morning prayer?
Half a semester.
2. Why is the US packed with people with different beliefs, according to the author? 
Diversity is in the blood of every American.

V. Language Study
1. I sat in the homeroom, excited and a bit nervous, trying to make sense of what was being said over the loudspeaker.
句中的excited and a bit nervous和trying to...都是作状语。例如: After the long journey, we went back home, hungry and tired .The thief hid in the corner, afraid of being caught.
2. I was worried that I wouldn’t be able to get along with so many different people with such big differences in belief, but later I discovered that it didn’t really matter.
这是个并列复合句。句中两个that引导的都是宾语从句。例如:He didn’t know when the meeting was, so he called his friend.
说明:在文章的4至7段中,出现多个由but和yet引导的并列句和并列复合句。

Interview disaster (P6)
南昌市铁路第一中学  李欣荣
I. Word Bank
semester                          n. 半学年;学期
resume                           n. 履历;简历; 摘要
recruiter                          n. 招聘官; 征兵人员
electrical engineering              电机工程;电气工程
horribly                         adv. 可怕地;非常地
defense firm                     国防公司
push through                    完成;促成;挤过去
stick up for                       维护;支持;为......辩护
perseverance                    n. 毅力;坚持;不屈不挠

II. Pre-reading      Discussing
1. Do you do any part-time jobs in your spare time?
2. Have you ever experienced anything embarrassing in your jobs?

III. Fast reading
What did the author learn from her first "interview"?
She learned to always be prepared and to never be afraid to stick up for herself. 

IV.  Careful Reading
1. What made the author both nervous and excited? 
Going to a job fair.
2. How did the author find the recruiter?
A. Kind.              B. Strict.
C. Optimistic.     D. Cold-hearted.
答案:B。

V. Language Study
1.When I said I wasn’t scheduled to take that class until my senior year, he ignored me and very slowly began to explain basic engineering ideas.
这是一个由when引导的状语从句,从句中出现一个由not...until引导的状语。
例如:I did not go home until my mother called me.
Don't get off the bus until it stops.

2. I’ve learned to always be prepared and to never be afraid to stick up for myself.
stick up for   维护;支持;为......辩护
She always sticks up for her friends.
她总是支持她的朋友。
Can't you stick up for yourself sometimes?
有时候你难道不能为自己辩护一下吗?

Thank you!


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