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高三教案 第494期
发布时间:2013-09-09

 

Cut off from society (P4-5)
I. Pre-reading
Suppose you were on your way to school as usual when suddenly an invisible barrier appeared out of nowhere, trapping you underneath it and cutting you off from the outside world. What would you do?
 
Read the text and complete the quiz below:
Choose the best answer:
1. The underlined word “isolating” in the first paragraph probably means _____.
A. protecting        B. separating     
C. discouraging D. distinguishing
2. In the TV series Under the Dome, _____.
A. the dome, which appears out of nowhere, doesn’t have huge effects on the residents’ lives
B. it takes a long time for residents to realize they are trapped by the invisible dome
C. not knowing what has happened, the residents feel helpless against unknown forces
D. because of the dome, the residents in the small town become more united and helpful
3. Why is the TV series closely linked with reality according to the article?
A. Because it is suspenseful and uses splendid special effects to reflect modern life.
B. Because the residents in the TV series live almost the same life as ordinary Americans do.
C. Because it attaches great importance to following the social order even in frightening situations.
D. Because it gets us to think about the future of the earth and the importance of environmental protection.
4. Which of the following shows the structure of the passage?
 
Key:
1. B。一个隐形穹顶突然出现把你困在里面,那么当然是将你与外面的世界隔离开来了,故isolating在这里相当于“separating”。
2. C。由第四段可知A、B不对;由第五段的“Thus, the residents are at the mercy of unknown forces and their internal conflicts.”可知C为正确答案。由最后一段的评论可知D不对。
3. D。由第七八段可知D为正确答案。A项的“to reflect modern life”不对;B项的“live almost the same life as ordinary Americans do”不对;C项与文意不符,文中只是讲到影片中体现了当人们感到孤独无助的时候,他们的社会秩序感会丧失得很快,而C项所述的强调人们不论何时都应该遵守社会秩序与文中所述并不完全一致,故不对。
4. A。本文第一、二段引出全文要讲的话题并介绍了影片《穹顶之下》的成功,第三至五段介绍影片的内容,第六段总体上说这部影片与现实联系密切,下文从两个方面分说:第七、八段主要讲的影片在环保方面与现实的联系;第九、十段则从影片中社会秩序感的丧失方面谈其与现实的联系,故A项最能体现文章的结构。
 
III. Language study
1. Fill in the blanks with proper words.
1) ________ (base) on renowned US author Stephen King’s 2009 best-selling novel, the show has become “the highest-rated summer show in 21 years” since debuting on June 24.
2) The series begins with the dome ________ (make) its alarming appearance.
3) As the earth trembles and birds take off, an enormous, invisible barrier slices down, ________ (cut) the town off from the rest of the world.
 
Key: 1) Based             2) making           3) cutting
 
2. Sentence understanding
“Once the people of Chester’s Mill realize they are indefinitely trapped without means of food supply, outside communication and power, their polite sense of small-town, American civilization begins to fall apart.”
fall apart: 崩溃,瓦解,破碎
eg: Their marriage finally fell apart.
句意为:一旦切斯特磨坊镇的人们意识到他们被无限期地困住了,而且没有食物供应,没有与外界的联系,也没有电,他们所谓的小城镇式的美国文明礼节也开始崩溃瓦解了。
 
Protecting your genes (P5)
I. Making prediction
What do you think will be mentioned in the article based on the headline “Protecting your genes”?
Possible answers:
Why we should protect our genes;
What does harm to our genes;
How to protect our genes;
 
II. Fast reading
Read the article fast and check if your prediction is correct, and then find out what the article is mainly about.
Choose the best answer:
1. What is the text mainly about?
A. Why we are not as healthy as we think.
B. How DNA damage affects our health.
C. How humans survive constant DNA damage threats.
D. What to do when our body’s built-in mechanisms fail.
 
Key:
1. C。本文主要介绍了导致DNA损害的原因以及人类自身如何修复它以生存下来,故C项为正确答案。
 
III. Specific reading
2. According to the text, your DNA is likely to break when _____.
a. you smoke
b. you get colds or headaches
c. a DNA cell divides into two
d. you eat too much meat and fish
e. you are overexposed to sunlight
A. a, b, c              B. b, c, d             C. a, c, e              D. b, d, e
3. Which of the following might Michael Feig agree with?
A. It’s not difficult for scientists to identify the DNA that needs to be repaired.
B. Scientists have discovered how the DNA repair process works.
C. Not all types of cells have active built-in DNA-repair mechanisms.
D. If your body couldn’t repair your damaged DNA, you would be more likely to get cancer.
 
Key:
2. C。由第四、五段可知DNA细胞分裂、抽烟、过多的阳光暴晒容易损害DNA,故C为正确答案。
3. D。由第六段Michael Feig 说的话“If DNA damage is not recognized and repaired in time then it can lead to any type of cancer”可知D正确。由第六段的“[But] the task of locating a damaged base is similar to finding a needle in a haystack (干草垛).”可知A项不对。由倒数第二段的“Scientists still barely understand how the DNA repair process works.”可知B不对。由倒数第三段的“Fortunately, all cells have a built-in DNA-repair mechanism (机制) that is always active so it can respond rapidly to any damage in the DNA structure.”可知C不对。
 
IV. Language study
1. Which sentence in the text is closest in meaning to the following one?
It is very difficult to recognize a damaged DNA.
Key: [But] the task of locating a damaged base is similar to finding a needle in a haystack.
此处Michael Feig用比喻修辞形象地说明了定位受损的DNA的难度之大,就如从干草堆里找一根针一样。
 
2. “These are expensive calculations for which we need hundreds of CPUs to work simultaneously (同时地),” Feig said.
句中用for which引导定语从句,which指代上文的calculations,Feig表示对于这些计算非常昂贵,科学家们需要用数百台电脑同时工作才能得出。
 
Mystery friend (P6)
Read the story and find out who the author’s mystery friend is.
Key: The person who found the author’s lost job application and helped mail it to the company in which the author applied for a position.
 
II. Specific reading
Read the text and complete the quiz below:
Choose the best answer:
1. Why did the author quit his previous job?
A. His boss thought that he was not fit for the job.
B. He found it hard to get along with his boss.
C. He had got an offer from a bigger company.
D. He couldn’t put up with the pressure of the job.
2. When the author asked for advice on the “Situations Vacant” ad, his wife ____. 
A. encouraged him to follow his heart
B. didn’t think he met the requirements
C. believed he was the right person for that job
D. considered this job to be a waste of his time
3. The underlined phrase “drew a blank” in Paragraph 4 probably means ____.
A. got some help        B. was impossible  C. was unsuccessful D. got into trouble
4. After losing his job application, the author ____.
A. gave up and failed to get that job
B. went back and made a new one
C. was unexpectedly asked to appear for an interview
D. contacted the company’s managing director by phone
5. Each time the author recalls how he got his second job, he probably feels _____.
A. proud              B. grateful           C. confused         D. satisfied
 
Key:
1. B。由第一段的“… my relationship with my boss had become strained (紧张的). Not wanting to put up with this, I resigned.”可知B为正确答案。
2. A。由第二段的My wife disagreed. “Go by your instinct,” she said. “You’ve got nothing to lose.”可知A为正确答案。
3. C。由下文可知作者找丢失的简历和求职信失败了,所以这里表示作者对车厢的搜寻不成功,故选C。
4. C。由倒数第三段可知C为正确答案。
5. B。由最后一段尤其是该段最后一句话可知,作者对那位捡到他简历并帮助他邮寄到他所应聘公司的那个人一直心怀感激,故选B。
 
III. Language study
Use the phrases in the box to complete the sentences below.

put up with         fit the bill             draw a blank              pull away                   in response to

1. The law was passed ____________ public pressure.
2. We looked in the files for an hour, but we ____________.
3. Noise is coming to the point where we can’t ____________ it.
4. I'm looking for someone with several years of publishing experience and you seem to ____________.
5. There was a roar and a cloud of smoke as the car  ____________ from the traffic lights.
 
Key:
1. in response to               2. drew a blank                 3. put up with                   4. fit the bill               5. pulled away
 

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