Unit2 Cloningppt课件
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unit2 cloningppt课件.ppt
B.Cloning is a way of making an exact copy of another animal or plant. (meaning)
C.The _e_ff_e_c_t_ of Dolly the sheep. D.It is _f_o_r_b_i_d_d_e_n_ to clone human
Unit 2 Cloning
Period 1&2: 幻灯片9-26页
Warming up
1.How much do you know about clone? What is clone?
It is a way of making an exact copy of another animal and plant.
beings. E.The_p__ro__b_l_e_m_ of dolly the sheep.
策划：《学生双语报》
7
Reading – I Scanning ( 5ms )
Write the letter “T”if the statement is true. Write “F”if it is false.
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
策划：《学生双语报》
2
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?
C.The _e_ff_e_c_t_ of Dolly the sheep. D.It is _f_o_r_b_i_d_d_e_n_ to clone human
Unit 2 Cloning
Period 1&2: 幻灯片9-26页
Warming up
1.How much do you know about clone? What is clone?
It is a way of making an exact copy of another animal and plant.
beings. E.The_p__ro__b_l_e_m_ of dolly the sheep.
策划：《学生双语报》
7
Reading – I Scanning ( 5ms )
Write the letter “T”if the statement is true. Write “F”if it is false.
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
策划：《学生双语报》
2
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?
英语：unit2-《cloning》-reading课件(新人教版选修8)
Cloning people is a good thing ,or a
bad thing?
克隆人是福音, 还是恶兆？
Homework:
What happens next?
； ；
是那李天福与鞠沙河相比,也是相差拾万八千里.“凝月三叠浪！”鞠言,也不敢托大,他直接,就使用了凝月三叠浪呐种中品武学.凝月三叠浪虽然只是中品武学,但是被鞠言修复了缺陷之后,其威历,就是相对壹般の上品武学,也是略微高出壹些の.黑色の剑光,瞬息之间,凝聚成三层剑幕.银色 の长河,与黑色剑幕,剧烈の碰撞.“砰砰砰！”两声の武学,在呐壹片擂台上方空间内,无比惨烈の相互倾轧、磨灭.“鞠沙河の元气,浑厚无比,并且化雾.单单论元气の量,其实俺并不比他差,甚至还些许超过他.但是,他化雾の元气,更为凝聚和精炼,在质上有着绝对优势.”“但是,他の武学, 有着致命の缺陷.”鞠言目光闪烁.如果鞠沙河の长河破灭剑法没有缺陷,那鞠言の凝月三叠浪,还真の抵挡不住.可惜,没有那么多如果.在天下第壹申技の引导之下,在几次交手后,鞠言就发现了长河破灭剑の部分缺陷,并且利用呐些漏洞,将那银色长河剑光,硬生生の从内部开始击溃.“哪 个?”鞠沙河,第壹次显露出有些慌乱の申色.没有声比他清晋,他现在の处境,也没有声比他自身清晋,鞠言の武学,已经渗透进他所施展の长河破灭剑法之中.“呐怎么可能?”鞠沙河,也想不通为何会呐样,他不知道鞠言是怎么做到の.就算鞠言修炼了上品武学,也不应该如此.而事实上,鞠言 施展の,明显才是中品武学凝月三叠浪.他明明应该占据优势,可是现实是,他在几次交锋后,就落于了下风.到目前为止,那些普通の陆家成员,还没有意识到呐壹点.但是,在高台之上の先天境界强者,却能看出其中の微妙.许多声,包括在贵宾席上の声,都为之动容.难道,呐鞠言！连半步先天の 鞠沙河,都不是其对手?…………………………（心塞！
bad thing?
克隆人是福音, 还是恶兆？
Homework:
What happens next?
； ；
是那李天福与鞠沙河相比,也是相差拾万八千里.“凝月三叠浪！”鞠言,也不敢托大,他直接,就使用了凝月三叠浪呐种中品武学.凝月三叠浪虽然只是中品武学,但是被鞠言修复了缺陷之后,其威历,就是相对壹般の上品武学,也是略微高出壹些の.黑色の剑光,瞬息之间,凝聚成三层剑幕.银色 の长河,与黑色剑幕,剧烈の碰撞.“砰砰砰！”两声の武学,在呐壹片擂台上方空间内,无比惨烈の相互倾轧、磨灭.“鞠沙河の元气,浑厚无比,并且化雾.单单论元气の量,其实俺并不比他差,甚至还些许超过他.但是,他化雾の元气,更为凝聚和精炼,在质上有着绝对优势.”“但是,他の武学, 有着致命の缺陷.”鞠言目光闪烁.如果鞠沙河の长河破灭剑法没有缺陷,那鞠言の凝月三叠浪,还真の抵挡不住.可惜,没有那么多如果.在天下第壹申技の引导之下,在几次交手后,鞠言就发现了长河破灭剑の部分缺陷,并且利用呐些漏洞,将那银色长河剑光,硬生生の从内部开始击溃.“哪 个?”鞠沙河,第壹次显露出有些慌乱の申色.没有声比他清晋,他现在の处境,也没有声比他自身清晋,鞠言の武学,已经渗透进他所施展の长河破灭剑法之中.“呐怎么可能?”鞠沙河,也想不通为何会呐样,他不知道鞠言是怎么做到の.就算鞠言修炼了上品武学,也不应该如此.而事实上,鞠言 施展の,明显才是中品武学凝月三叠浪.他明明应该占据优势,可是现实是,他在几次交锋后,就落于了下风.到目前为止,那些普通の陆家成员,还没有意识到呐壹点.但是,在高台之上の先天境界强者,却能看出其中の微妙.许多声,包括在贵宾席上の声,都为之动容.难道,呐鞠言！连半步先天の 鞠沙河,都不是其对手?…………………………（心塞！
8-2Unit 2 Cloning(121张ppt)
5. 后缀－ance/ence 构成的名词大排档 ①ignore→ignorance 忽视 ②guide→guidance 指导 ③appear→appearance 出现 ④assist→assistance 帮助 ⑤annoy→annoyance 烦恼 ⑥perform→performance 表演 ⑦exist→existence 存在 ⑧depend→dependence 依赖 ⑨differ→difference 不同 ⑩prefer→preference 偏爱
Ⅰ.联想背短语 1. ________ 得到好结果；取得成功；偿清 2. ________ 使失望；使沮丧 3. ________ 赞成；支持 4. ________ 把……归功于 5. ________ 一定或注定
6. strike ... into one’s heart ________ 7. from time to time ________ 8. bring back to life ________ 9. in vain ________ 10. in good/poor condition ________
Ⅰ.教材语境还原 1. Cloning plants ________ straightforward ________ cloning animals is very complicated. 克隆植物比较简单，然而克隆动物就非常复杂了。 2. Many attempts ________ ________ mammals failed. 克隆哺乳动物的多次尝试都失败了。
U nit2 C loning
基础分级自助餐
Ⅰ. 重点单词 1. 阅读单词·识记 ①altogether adv. ________ ②conservative adj. ________ ③straightforward adj. ________ ④procedure n. ________
英语：Unit2《Cloning》课件(新人教版选修8)
2.The main idea of the text :
A. Animal cloning is very valuable and can
benefit the world.
B. Animal cloning could be misused by bad
people so it must be forbidden.
C. Animal cloning is well developed because
Dolly the sheep was born.
D. Animal cloning raised arguments and
scientists are not sure about its future.
3.The sheep that donated the somatic cell most probably lived ________years.
UNIT TWO READING
CLONING : WHERE IS IT LEADING US
Skimming
Skim the text to find out the answers to the following questions. 1.What is cloning?
Cloning is a way of making an exact copy of another animal and plant.
What’s the greatest success in the development of animal cloning?
.
The procedure of the cloning of Dolly the sheep
True or false:
Unit2《Cloning》reading课件(新人教版选修8)
based on chance rather than being planned or based on reason adj. 任意的 arbitrary
to get something, especially by asking for it, buying it, working for it or producing it from something else vt. 获得；赢得 obtain
Unit 2 Reading
CLONING: WHERE IS IT LEADING US?
Read the explanation and
speak out the word it explains.
an important discovery or event that helps to improve a situation or provide an answer to a problem n. 突破 breakthrough
a set of actions which is the official or accepted way of doing something n. 程序；步骤；手续 procedure
related to buying and selling things adj. 商业的；贸易的 commercial to do or begin to do something, especially something that will take a long time or be difficult vt. 着手；从事；承担 undertake
Read the passage quickly to find the main idea of each paragraph.
to get something, especially by asking for it, buying it, working for it or producing it from something else vt. 获得；赢得 obtain
Unit 2 Reading
CLONING: WHERE IS IT LEADING US?
Read the explanation and
speak out the word it explains.
an important discovery or event that helps to improve a situation or provide an answer to a problem n. 突破 breakthrough
a set of actions which is the official or accepted way of doing something n. 程序；步骤；手续 procedure
related to buying and selling things adj. 商业的；贸易的 commercial to do or begin to do something, especially something that will take a long time or be difficult vt. 着手；从事；承担 undertake
Read the passage quickly to find the main idea of each paragraph.
book8-unit2-CloningPPT课件
3. What benefits can humans gain from cloning？
Medical cloning can help cure serious illnesses that ruin one’s quality of life (such as Parkinson’s disease or Alzheimer’s disease). It can help infertile people have babies.
2002年5月 中旬成功地 繁殖了一只 胚胎细胞 克隆兔。
我国成功繁殖克隆兔 体形要比普通兔大许多
2002年5月 中旬成功地 繁殖了一只 胚胎细胞 克隆兔。
2005 cloning dogs
Pre-reading
In pairs discuss what you understand about cloning. Then list the questions you want to find out. Share your lists with one another.
scientists are not sure about its future.
ห้องสมุดไป่ตู้
3. Dolly the sheep __B___. 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.
Unit 2 Cloningppt
2. What are the two broad categories human cloning situations often fall into? One of the situations is that parents want to clone a child who can serve either as a
B because____.
A. its easier to clone a sheep than
animals
other
B. the scientists were determined and worked hard with patience C. the scientists were rewarded and got lots
provides the nucleus.
C. looked like the sheep thatห้องสมุดไป่ตู้gave birth to it. D. had the characteristics of all three sheep.
2. It can be inferred from the passage that a C cloned animal_____. A. usually lives as long as the original one
Detailed Reading:
Read the text again and answer the following questions. 1. How did the world react to the first successfully cloned sheep? The world was amazed by the news at first, then worried about and puzzled over a long list of wild possibilities.
课件11：Unit 2 Cloning
【归纳拓展】
raise an objection to (doing) sth.对……提出异议 (1) have/make/take/feel an objection to (doing) sth.
对……表示反对 (2) object vi.反对；不赞成；n.物体；目标
object to sb./sth.反对，不赞成某人/某事 object to doing sth.反对做某事 object that-clause 反对…… object to sb. doing sth.反对某人做某事 （3） objective adj.真实的；客观的；无偏见的
for sth.为……负责 that-clause保证…… （2）undertaking n.任务，事业；承诺，答应
【经典例句】
I’ll undertake for your security. 我将保证你的安全。 He undertook to finish the job by Friday. 他答应在星期五以前完成工作。 I can undertake that you will enjoy the trip. 我保证你会喜欢这次旅行。 Will you give me an undertaking not to see that young man again? 你能否给我一个承诺：你不再见那个年轻人？
通常指重复性的行为使（别人）生气。常用被 动语态，表示为某事烦恼、生气。
【核心短语精讲】
1 pay off 得到好结果；取得成功；偿清 But at last the determination and patience of the scientists paid off in 1996 with a breakthrough—the cloning of Dolly the sheep. （教材P11） 但是决心和耐心使科学家们最终于1996年 收获了突破性的结果——克隆羊“多莉”。
课件12：Unit 2 Cloning
attain
重点 短语
cast down，object to，in favour of，(be) bound to(do)，owe...to...， pay off，strike...into one’s heart，from time to time，bring back to life，in vain，in good/poor condition
reads，因为是从句的谓语动词，所以不可用reading 或 saying。
第二个空是forbid parking 的转化形式，因为两者之间是动宾
关系，所以应是 Parking forbidden＝No parking意为“禁止
停车”。
【答案】 C
3．object vi.反对，不赞成 归纳拓展 注意：object常与介词to连用，构成短语object to。 object to (sb./sth.)反对(某人/某事) object to doing sth.反对干某事 object to sb. doing sth.反对某人干某事 object that...反对······ I objected that he was too young for the position. 我提出反对意见他太年轻不适合这个职位。
【链接训练】
There is a board by the road ， which ________
“Parking ________ ！”
A．writes；forbidding
B．reading；forbidding
C．says；forbidden
D．saying；forbidden
【解析】 第一个空意为“牌子上写着”，可用says 或
的勇气、奉献及知识”可知答案为B项。owe sth. to sth.意为
Unit2--Cloning阅读课件(人教版选修8)
hard with patience C. the scientists were rewarded and got lots of
money D. many other attempts to clone mammals
failed
The determination and patience of the scientists paid off. (L9)
Dolly the sheep
Reading
Skim the following passage and get the main idea of each paragraph.
Para 1 The definition（定义） of cloning Para 2 The two major uses of cloning and the procedure Para 3 The problems of Dolly Para 4 The effect of cloning in society Para 5 The attitudes towards cloning
Para 3 The problems of Dolly
Remove the difficulties:（难不倒）
Then came the disturbing news that Dolly had become seriously ill. （分析句子结构）
Para 3
The sheep that donated the somatic cell most probably lived ________years.
Para 2
The lamb is the clone of the cell from
sheep B because
money D. many other attempts to clone mammals
failed
The determination and patience of the scientists paid off. (L9)
Dolly the sheep
Reading
Skim the following passage and get the main idea of each paragraph.
Para 1 The definition（定义） of cloning Para 2 The two major uses of cloning and the procedure Para 3 The problems of Dolly Para 4 The effect of cloning in society Para 5 The attitudes towards cloning
Para 3 The problems of Dolly
Remove the difficulties:（难不倒）
Then came the disturbing news that Dolly had become seriously ill. （分析句子结构）
Para 3
The sheep that donated the somatic cell most probably lived ________years.
Para 2
The lamb is the clone of the cell from
sheep B because
高中英语选修8Unit2Cloning公开课优质课件
in pairs discuss what you understand about
cloning. Then list the questions you want to
find out. Share your lists with one another.
Questions about cloning 1. How is a clone produced?
how they differ.
Dolly the sheep Man-made clone
A strawberry plant
Natural clone
一株草莓依靠它沿地“爬走”的匍匐茎, 一年内 就能长出数百株草莓苗。
Growing new plants
Man-made clone
Twins
因此, 人们开始探索用人工的方法来生产高等
动物克隆。这样, 克隆一词就开始被用作动词, 指人 工培育克隆动物这一动作。 目前, 生产哺乳动物克隆的方法主要有胚胎分割 和细胞核移植两种。克隆羊“多莉”, 以及其后各 国科学家培育的各种克隆动物, 采用的都是细胞核 移植技术。
所谓细胞核移植，是指将不同发育时期的胚胎 或成体动物的细胞核，经显微手术和细胞融合方法
through human intervention(介入) .
natural clone examples
Cactus(仙人掌)
Pendulum orchid (吊兰)
man-made clone examples I’m celebrity in the history of cloning. Do you know my name?
embryonic(胚胎的)cells to
cloning. Then list the questions you want to
find out. Share your lists with one another.
Questions about cloning 1. How is a clone produced?
how they differ.
Dolly the sheep Man-made clone
A strawberry plant
Natural clone
一株草莓依靠它沿地“爬走”的匍匐茎, 一年内 就能长出数百株草莓苗。
Growing new plants
Man-made clone
Twins
因此, 人们开始探索用人工的方法来生产高等
动物克隆。这样, 克隆一词就开始被用作动词, 指人 工培育克隆动物这一动作。 目前, 生产哺乳动物克隆的方法主要有胚胎分割 和细胞核移植两种。克隆羊“多莉”, 以及其后各 国科学家培育的各种克隆动物, 采用的都是细胞核 移植技术。
所谓细胞核移植，是指将不同发育时期的胚胎 或成体动物的细胞核，经显微手术和细胞融合方法
through human intervention(介入) .
natural clone examples
Cactus(仙人掌)
Pendulum orchid (吊兰)
man-made clone examples I’m celebrity in the history of cloning. Do you know my name?
embryonic(胚胎的)cells to
课件10：Unit 2 Cloning
Ⅱ.多维练短语 (Ⅰ)完成下列短语 1．pay __o_f_f__ 得到好结果；取得成功；偿清 2．cast _d_o_w__n_ 使失望；使沮丧 3．object _t_o_ 反对 4．in __f_a_v_o_u_r __ of 赞成；支持 5．(be) _b_o_u_n_d_ to (do)... 一定或注定(做)……
Ⅲ.超级仿句式 1．that 引导的同位语从句 Then came the disturbing news __t_h_a_t _D__o_ll_y__h_a_d____ __b_e_c_o_m__e_s_e_r_io_u__sl_y__i_ll___ (多莉病重)． (仿写)他在伦敦奥运会上获得金牌的消息很快传遍了家 乡。 The news _th_a_t__h_e__w_o_n__a__g_o_l_d__m_e_d_a_l__a_t_t_h_e__L_o_n_d_o_n__ __O_l_y_m_p_i_c_s___spread quickly in his hometown.
(Ⅱ)选用上述短语填空 1．The house really is __in__p_o_o_r__c_o_n_d_it_i_o_n__—it would cost far too much to repair. 2 ． Keep on working hard like this, and your research ___is__b_o_u_n_d__t_o___ obtain great success. 3．The athlete’s years of hard training __p_a_id__o_f_f____ when she finally won the Olympic gold medal. 4．Traffic accidents happen __fr_o_m___ti_m_e__t_o__ti_m_e_ on this road. 5．Mountain Tai _s_tr_u_c_k_ its beauty __in_t_o__h_e_r _h_e_a_r_t __ and she decided to visit it again the next year.
高中英语复习：Unit_2 Cloning_(优秀课件)
things which many people want to own. As we know, cloning has some advantages. It can prevent from the
disappearance of living things in the world and enable
3.Cloning scientists were cast down to find
________ Dolly's illnesses were more appropriate to that a much older animal.
whether cloning 4.However, scientists still wonder ________ where it is leading us. will help or harm us and ________
Unit 2 Cloning
请根据以下内容，使用5个规范的句子说明克隆的 利与弊。
优点：克隆可以复制东西 —— 很多人想拥有的同
样的一个东西；克隆可以防止世界上的物种消失；克 隆可以使我们以旧换新；克隆可以推动我们的技术； 克隆也可以使许多没有生育能力的人实现生育梦想。 缺点：克隆可能会与道德发生冲突；克隆将降低原
10. 状况很好(坏)；
情况很好(坏)
that 1.The fact ________ she seemed to develop normally was very encouraging. that 2.Then came the disturbing news ________ Dolly had become seriously ill.
来生命的价值。
disappearance of living things in the world and enable
3.Cloning scientists were cast down to find
________ Dolly's illnesses were more appropriate to that a much older animal.
whether cloning 4.However, scientists still wonder ________ where it is leading us. will help or harm us and ________
Unit 2 Cloning
请根据以下内容，使用5个规范的句子说明克隆的 利与弊。
优点：克隆可以复制东西 —— 很多人想拥有的同
样的一个东西；克隆可以防止世界上的物种消失；克 隆可以使我们以旧换新；克隆可以推动我们的技术； 克隆也可以使许多没有生育能力的人实现生育梦想。 缺点：克隆可能会与道德发生冲突；克隆将降低原
10. 状况很好(坏)；
情况很好(坏)
that 1.The fact ________ she seemed to develop normally was very encouraging. that 2.Then came the disturbing news ________ Dolly had become seriously ill.
来生命的价值。
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Dolly是世界上第 一例用体细胞─
乳腺上皮细胞,通
过细胞核移植技
术,在复杂的人工
操作下,得到的一 只小绵羊 。
我国成功繁殖克隆兔
体形要比普通兔大许多
2002年5月
中旬成功地
繁殖了一只
胚胎细胞克
隆兔。
克隆马及其“母 亲兼姐姐” 第一只克隆宠物猫
Step4. Pre-reading
In pairs discuss what you understand about cloning. Then list the questions you want to find out. Share your lists with one another.
1. What benefits can humans gain from cloning? 1) Medical cloning can help cure serious illnesses that ruin one’s quality of life (such as Parkinson’s disease帕金森症 or Alzheimer’s disease老年痴呆症). 2) It can help infertile people have babies.
2. What problems may arise when humans are cloned? 1) People may want to clone themselves so they can live forever. 2) People may want to clone dead children. 3) People may want to clone their favorite pets.
Step4. Reading
CLONING: WHERE IS IT LEADING US?
Skim the whole passage
Skimming quickly then answer the two questions in groups.
1.What’s the style of the passage ?
A strawberry plant
Growing new plants
man-made clone
man-made clone
Dolly the sheep
How does Dolly differ from other sheep? She was cloned while the others were born cloned naturally. In other word, Dolly was a ______ sheep.
Task 2: match the main idea of each paragraph.
Para. 1
Cloning has two major uses. Cloning is a way of making an exact copy of another animal and plant .
natural and man-made clones.
Step3. Warming up
In pairs, look at these pictures
and discuss which ones are natural clones and which ones are manmade. Explain how they differ.
Unit2 Cloning
Step1.Revison
• Revise the pronunciation of the new words and expressions in Unit 2. Please repeat after the tape.
Step2. Student’s presentation
A.narrative (记叙文) B.argumentative(议论文)
C.explanatory(说明文)
2. What is cloning?
It is a way of making an exact copy of another animal or plant.
Skanning
Listen to the tape and then
finish the following tasks in
groups.
Task 1. Choose the correct answer.
The main idea of the text is____ A. animal cloning is very valuable and can benefit the world. B. animal cloning could be misused by bad people so it must be forbidden C. animal cloning is well developed because Dolly the sheep was born. D. animal cloning raised arguments and scientists are not sure about its future.
Para. 2
Para. 3
It is forbidden to clone human being.
Natural clone is one that occurs in a natural form of cloning without human help. Man-made clone is one that produced through human intervention(介入) .
Discussiபைடு நூலகம்n
What is a clone?
A clone is group of cells or organisms
that are genetically identical and
have been produced asexually from
the same original cell. They include