课件25张PPT。Module 5 CloningVocabulary And Reading
P 64-P66
Cloning and DNA
WARMING UP BY WORDS REVIEWING…Goals for reading:
To describe the following items in English:
DNA
cloning
clone
2 To explain reasons as well as vices and virtues in a proper way.BrainstormcloningDNAsequenceprocedureinsertgenetic(s)embryoenzymetissuesalivastem cellgeneorganismSkimmingPart 1: Para. ___to ____
Part 2: Para. ___
Part 3: Para. ___ to ____Divide the passage into three parts and find out the main idea of each part.1 2 34 8the discovery of DNA and cloningthe way how cloning worksthe reasons why scientists want cloning or the studying of DNA and their relative disadvantagesWhat’s the writing style of this passage?
What’s the writer’s purpose by writing the passage?
What’s the writer’s attitude towards cloning or the studying of DNA?
A. Approving B. Critical
C. Objective D. IndifferentExposition (说明文).To introduce some facts about cloning and DNA.Objective.WHY???What’s DNA?
Find out the facts about the following times.
1866 1953 1973
Careful reading:Part oneWhat’s DNA?
DNA is a __________ __________ _________ made of the ____________
__________ of life.transparent twistingfundamentalcomponentsladder1866
Mendel first recorded the results of growing _______ plants. He understood that both the parent plants had influenced the _________ __________ of the new plant.
1953
Two scientists in England __________ the __________ of the __________ DNA.
1973
Two __________ discovered a __________ to use __________ to _______ DNA, to cut out a __________ of _______, and finally to _______ them into the host _______.peageneticmake-updiscoveredstructureacidbiochemistsprocedureenzymesunzipsequencegenesinsertcellWhat is cloning?
2. What is a clone?
Careful readingPart twoCloning takes DNA from a single
_______ to _______ a whole new
__________.cellcreateindividualA clone is an __________ which
is genetically __________ to
another one.organismidenticalCareful readingPart threean optional treatment for couples who find it difficult to have childrenthe clone, under unknown psychological pressure throughout his childhoodto reproduce the talents of exceptional human beings choose a path in life contradictory to the original one, new vices instead of virtuesto obtain a supply of stem cellsWaste the embryo handy to clonerestrict the biodiversity of the breedto help solve crimes by analyzing the suspect’s saliva@What can you learn from the author on how to tell vices and virtues in your writing? Can you draw a structure map?
@Besides this structure, what else can we use to explain vices and virtues?Pattern APattern BFinish Ex. 5 on P 65.Post readinga 2. c 3. d 4. d 5. aP64: 生命的基本成分基因构成发现一个程序切掉一系列基因把它们插入宿主一个全新的个体与……一样尽管有争议,这样 做还是有正当理由。受到压力与……相反有优缺点 fundamental components of life
genetic make-up
discover a procedure
cut out a sequence of genes
insert them into the host cell
a whole new individual
be identical to
Although controversial, there
are many valid reasons.
under pressure
be contradictory to
possess vices and virtues
另一个理由 其他所有细胞 从疾病中康复 What is clear is that some voluntary code of practice among scientists has to be agreed. If not, compulsory government regulations will have to control cloning. 抵抗疾病/害虫对DNA的最新研究分析嫌疑犯的唾液 在犯罪现场让爱因斯坦重生 a further reasonevery other type of cellrecover from a disease resist disease/peststhe latest research into DNAanalyze the suspect’s saliva at a crime scenebring Einstein back to life1. cure vt.治愈, 治好; 消除
She told me that a certain doctor might cure him of his liver cancer but it never came true.
cure sth./ cure sb. of sth
治愈某人的疾病;消除某人的忧虑
有什么药物能治疗我的失眠么?
Is there any medicine which can cure me of my sleeplessness (insomnia)?
similar patterns:
rob sb. of sth.; cheat sb. of sth;
inform/warn/remind sb. of sth. cure n. 疗法;药剂;对策
I’m trying hard to find a cure for my insomnia.
The cats proved to be a good cure for our mouse problem.
比较 treat vt. 医治;治疗;招待;对待
He treats many patients in the emergency room every day.
I will treat you to the theater if you help me.
Some treated Dolly as a product.
A day in the country is a real treat for a city person.
treatment n. 治疗
The doctor's treatment cured him.
医生的治疗使他的病痊愈了。2. resist vt. & vi.抵抗; 对抗
He could resist no longer.
It is beneficial for you to resist some unhealthy temptations in an online community.
在网络社区里,抵制一些不良诱惑对你们来说是极有益处的。
Useful patterns:
resist doing sth.
can’t resist doing sth.
resist arrest
resist the temptation
resistant adj. 有抵抗力的,抵制的
be resistant to sth. 对……有抵抗力
resistance抵制做……无法抗拒做……拒捕抵制诱惑n. 反抗,阻力,电阻3. suspect [s?'spekt]vt. 猜疑(是), 怀疑(是), 觉得(是)
They suspected a secret enemy in.
他们疑心中间有内奸。
I suspect (that) it was you who told Mr. Z. that I had broken the window.
我怀疑就是你告诉Z是我打碎窗户的。
We all suspect the truth of the report.
怀疑; 不信任
The police suspect him of having taken the money.
They suspect him to be a thief.
怀疑…有罪
拓展:suspected cases
疑似病例
(confirmed cases)['s?spekt] n.嫌疑犯
Two suspects are now being interrogated in
connection with the murder.
['s?spekt] adj.可疑的
His reason for being absent is suspect.
doubt vs. suspect :
@ doubt 是对某事的真实性表示怀疑:
I doubt whether he has stolen your money.
(他可能没有偷你的钱。)
@ suspect 猜想(是),怀疑(是)(相信是事实)
He seems poor, but I suspect that he has quite a lot of money. 他看上去很穷,可是我怀疑他很有钱。Everyday English Do the exercises on P63.Do you think the advantages of cloning are greater than the disadvantages? Why?Group workDiscussionModule 5 CloningReading Practice P67-68Jurassic Park –
Scientific Fact or Hollywood Fiction? Jurassic Park
Jurassic Park is a 1993 American sci-fi (science fiction) adventure film directed by Steven Spielberg.
Based on the novel of the same name by Michael Crichton, the film centers on the fictional island near Costa Rica in the Central American Pacific Coast, where a billionaire and a small team of genetic scientists have created an amusement park of cloned dinosaurs. Jurassic Park
Jurassic Park is regarded as a landmark in the use of computer-generated imagery, and received highly positive reviews from most critics.
It is the most financially successful film for Universal and Steven Spielberg. It won the Academy Award for Best Sound, Best Sound Effects Editing, and Best Visual Effects.
Because of the film’s success, two sequels续集 were made, The Lost World: Jurassic Park, released in 1997, and Jurassic Park III released in 2001. A fourth one is due to be released in 2013.