人教版高中英语模块八
Module 8
Unit 2
Cloning
? English Song ? English Class ? Language Data Bank
课时分配
课时 板块结合范例 Period 1&2 Warming up and Reading I Period 3 Period 4 Period 5 Period 6 Learning about language Reading II Listening and Speaking Writing
Unit 2 Cloning
Period 1&2: 幻灯片9-26页
Warming up ( 5ms )
Look at the following pictures and answer the questions:
  1. It’s the most famous sheep in the world. Do you know how Dolly is different from other sheep? She was cloned while the others were born naturally. It is the copy of another sheep.

  2. What is cloning? Cloning is a way of making an exact copy of another animal or plant.
  3. Are the following clones the same? If not, what is the difference?
NO. The first four are man-made clones, the rest two are natural clones.
Pre-reading ( 3ms )
In this class we’ll learn a passage about cloning, but before we come to the text, can you guess how a clone is produced? The cloning of plants is simple and relatively easy. It can be done by taking cuttings (man-made cloning ) or letting the plant produce its own runners (natural cloning). The cloning of animals is more complicated. It was not achieved until 1996 and is fully explained in the passage we’ll learn today.
Reading ? I Scanning ( 5ms )
Write the letter “T”if the statement is true. Write “F”if it is false.
  1.Cloning means making a copy of an animal or F a plant.
  2.Gardeners can make a lot of money by cloning plants. T
  3.Cloning animals is as complicated as cloning plants. F

  4. Dolly the sheep was the first successful clone of a mammal T
  5.Natural clones happen in animals as will as in plants. T
Reading ? II Skimming ( 5ms )
Choose the right answer according to the text.
  1.Dolly the sheep. A. looked exactly like the sheep that provides the egg.
*B. was the exact copy of the sheep that provides
the nucleus. C. looked like the sheep that gave birth to it. D. had the characteristics of all three sheep.

  2. It can be inferred from the passage that a cloned animal. A. usually lives as long as the original one B. usually lives longer than the original one *C. usually lives longer than the original one D. is usually as healthy as the original one

  3. Which of the following is not an advantage of cloning? A. Cloning can be used for medical purposes. B. Large quantities of food can be produced by cloning. C. Cloning can help keep animals from becoming extinct. *D. Famous persons who have passed away can be cloned.

  4. What is people’s fear about human cloning? Which of the following is wrong? A. Cloned Hitlers would do harm to the world. B. Cloned people may be killed at will for medical aid. C. A woman would have difficulty recognizing her real husband. * D. Men will die out because a woman can give birth to a baby without a husband.
Reading ? III Detail reading ( 8ms )
Fill in the chart using the information from the text. Problems or dangers of cloning develop Animals may the of illnesses older animals. Advantages of cloning Medical cloning could produce cures for serious degenerative(变质的) 变质的) 变质的 illnesses in humans.
Animal clones may die Cloning plants can produce younger plants than the donor of similar quality for sale animals .
Evil leader may want to clone themselves. moral There are objections to cloning human beings.
Cloning plants can be useful for research on new plant species . Cloning can help save . endangered animals
Reading ? IV Intensive reading (7ms )
Read the letter again, then try to find the main idea of each paragraph. a way of making an exact copy of
  1.Cloning is another animal and plant.
  2.Cloning has uses. two major problems
  3.The of Dolly. effect
  4. The of Dolly. forbidden
  5. It is to clone human beings.
Practice ? discussion ( 8ms )
Choose one of the following questions to discuss in groups. The leader of each group should write down every member’s opinion, then the volunteers will show your group work to the whole class:
Questions:
  1. Do you support the idea of producing human embryos(胚胎 胚胎)for medical purposes?Why? 胚胎
  2. Do you think it a good idea to use cloned humans for organ(器官 器官)transplants? Why? 器官
  3. Do you think a cloned human should have human rights? Why?
  4. Do you think cloned humans will have the same talents as the original ones? Why?
Assignment
Surf the Internet to find more information about cloning and you are expected to present it to your classmates in the next class.
Unit 2 Cloning
Period 3: 幻灯片27-48页
Checking answer ? I (2ms)
Answer keys for Ex.1 on Page 13:
  1.
  2.
  3.
  4.
  5.
  6. differ cast down accumulated undertake exact altogether
Checking answer ? II (2ms)
Answer keys for Ex.2 on Page 13:
  1. straightforward
  5. procedure
  2. arbitrary
  6. I object
  3. commercial
  7. will forbid
  4. Are you in favour of
Checking answer ? III ( 3ms )
Answer keys for Ex.3 on Page 13:
  1. undertake
  2. controversial
  3. satisfaction
  4. Cast down
  5. breakthrough
  6. accumulate
Checking answer ? IV (2ms)
Answer keys for Ex.4 on Page 14:
  1.
  2.
  3.
  4.
  5.
  6. C F D E B A
Checking answer ? V (10ms)
Answer keys for Ex.2 (Translation) on Page 56(Workbook):

  1. My rabbit gave birth to four exactly identical babies several days ago.
  2. From time to time we think that humans can use cloning to bring extinct animals back to life.
  3. The plan to develop human clones is bound to raise controversial questions.
  4. Shortly after he retired, the old man wrote a novel about his childhood.
Checking answer ? V (10ms)
Answer keys for Ex.2 (Translation) on Page 56(Workbook):

  5. She is unable to speak aloud because she has just had an operation on her throat.
  6. Edward was much cast down by the news that he couldn’t obtain the graduation certificate.
  7. His efforts paid off when the doctor saw the patient opened his eyes.
  8. The scientist made the assumption that there is no animal life on other plants.
Useful structure ( 20ms )
同位语从句与that引导的定语从句的区别: 引导的定语从句的区别: 同位语从句与 引导的定语从句的区别
  1、同位语从句与名词之间在逻辑上是“主语 、同位语从句与名词之间在逻辑上是“ +be+表语”的关系。该名词是需要做特殊说明的 表语” 表语 的关系。 抽象名词。例如: 抽象名词。例如: a) 听说他们的队赢了,他们很高兴。 听说他们的队赢了,他们很高兴。 They were delighted at the news that their team had won . b) 消息就是他们队赢了。 消息就是他们队赢了。 The news was that their team had won .

  2、从引导词来看:引导词 、从引导词来看:引导词that在同位语从句 在同位语从句 中是连词,只起连接作用,无具体词义, 中是连词,只起连接作用,无具体词义, that不可省略;that在定语从句中是关系代 不可省略; 不可省略 在定语从句中是关系代 它在从句中充当一定成分?? 主语或 词,它在从句中充当一定成分 宾语,有具体词义,作宾语时还可以省略。 宾语,有具体词义,作宾语时还可以省略。 例如: 例如: (that) a) The factory we visited yesterday is a chemical one. 定语从句 that b) The news he will leave for Shanghai is true. 同位语从句

  3、同位语从句的简易判断方法:同位语与其先行 、同位语从句的简易判断方法:同位语与其先行 词之间在逻辑上是“主语+be+表语”的同位语关 表语” 词之间在逻辑上是“主语 表语 所以,可以在名词从句之间加系动词be, 系。所以,可以在名词从句之间加系动词 ,使 之构成一个新句子,如果合乎逻辑,句子通顺, 之构成一个新句子,如果合乎逻辑,句子通顺, 则原句为同位语从句; 则原句为同位语从句;定语从句是不能够有系表 结构把先行词与从句连接起来的。例如: 结构把先行词与从句连接起来的。例如: The belief that the earth is flat is still held in some countries. The belief is that the earth is flat → .
另外,能用于名词性从句的名词有: 另外,能用于名词性从句的名词有: ability, patience, anxiety, answer, order, report, wish, decision, suggestion, belief, doubt, fact, hope, message, news, promise, question, reply 等等。 等等。
高考链接

  1. Along with the letter was his promise he would visit me this coming Christmas.( 2004春 春 季上海 ) A. which B. that C. what D. whether 答案B 这是一个同位语从句,解释promise 答案B。这是一个同位语从句,解释promise 的具体内容,要用that引导。 that引导 的具体内容,要用that引导。

  2. There is a new problem involved in the popularity of private cars road condition need .( 2003年上海 ) 年上海 A. that; to be improved B. which; to be improved C. where; to be improved D. when; improving 解析:答案为A. 解析:答案为 that引导同位语从句说明 引导同位语从句说明 新问题”的内容。 “新问题”的内容。Need后既可接动名词 后既可接动名词 的主动式, 的主动式,也可接动词不定式的被动式作 宾语。 宾语。

  3. There’s a feeling in me we’ll never know what a UFO is ? not ever. ( 2002年上海 年上海) 年上海 A. that B. which C. of which D. what 解析:答案 。同位语从句that we‘ll never know 解析:答案A。同位语从句 what a UFO is ? not ever作a feeling的同位语,解 ever作 feeling的同位语 的同位语, 的具体内容。 连接同位语从句时, 释a feeling 的具体内容。That连接同位语从句时, 连接同位语从句时 只起连接作用,不作从句的任何成分。 只起连接作用,不作从句的任何成分。

  4. Information has been put forward more middle school graduates will be admitted into universities.( 2001年上海 年上海) 年上海 A. while B. that C. when D. as 解析:答案 。 引导从句作information的同 解析:答案B。That引导从句作 引导从句作 的同 位语,解释information的具体内容。 的具体内容。 位语,解释 的具体内容

  5. These wild flowers are so special I would do I can to save them.( NMET2000春季 春季 北京) 北京 A. whatever B. that C. which D. whichever 解析:答案 。 后接宾语从句 宾语从句I 后接宾语从句, 解析:答案A。do后接宾语从句,宾语从句 can 后省略了 ,缺少宾语。Whatever在宾语 后省略了do,缺少宾语。 在宾语 从句中作宾语。 从句中作宾语。
Finish the following exercises:
  1. His central idea is the losers do not write history. A. X B. because D. whether
*C. that
exam. A. that

  2. I think certain that she will do well in her B. this is
*C. it
D. what’s

  3. We should stick to is true.
A. which C. anything which A. what C. with what B. that
*D. whatever
D. that

  4. You will find no mistake I’ve written.
*B. in what

  5. There is a rule in our school no one is permitted to smoke. A. where B. which D. what *C. that
  6. He didn’t know which room . A. they lived *B. they lived in C. did they live D. did they live in
Assignment
  1. Summarize the rules of the Passive Voice.
  2. Finish the exercises of “Discovering useful structures” on Page 22 and Page 64-
  65.
Unit 2
Cloning
Period 4: 幻灯片49-61页
Warming up ( 4ms )
Answer the following questions:
  1. Do you like dinosaurs? Where have you seen them? Can you see them in our real life? Why?
  2. Do you think it is possible to clone dinosaurs? If yes, do you think that’s good for human beings? Why?
(Students give their own answers.)
Reading -- I scanning ( 5ms )
Read the text, then tell the following sentences are true or false. ( Students can discuss in pairs. )

  1. Scientists are still experimenting with cloning mammals because they think it can make money. F
  2. The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning. F
  3. If we can clone any extinct animals, we should let them live in a zoo. F
Reading -- II Detail reading ( 6ms )
Read the text, then answer the following questions. ( Students can discuss in pairs. )
  1. Why should’t you clone an extinct animal unless there is enough diversity in the group?
  2. Why is it wrong to clone an extinct animal if it would have to live in a zoo?
  3. Why can’t you clone the DNA of animals that have been extinct longer than 10,000 years?

  1. Why should’t you clone an extinct animal unless there is enough diversity in the group? There will not be enough genetic variation in the group to be able to resist new illnesses.

  2. Why is it wrong to clone an extinct animal if it would have to live in a zoo? It is not a good idea to clone an animal that would have to live in a zoo because it is not a suitable habitat to develop
 

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