Unit 2 Cloning Using Language 课件（50张）
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| 名称 | Unit 2 Cloning Using Language 课件（50张） |  | |
| 格式 | zip | ||
| 文件大小 | 3.1MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2018-07-28 18:52:11 | ||
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课件50张PPT。Unit 2 Unit 2
CloningUsing Language1. Do you know anything about dinosaurs?
2. Have you ever seen the film Jurassic
Park?The return of the dinosaurs?Enjoy some pictures about dinosaurs. 暴龙
tyrannosaurus剑龙
stegosaurs角龙
ceratopsids翼龙
pterodactyl雷龙
brontosaurusDoes the author believe the dinosaurs can be cloned?Fast readingThe writer of the text ______.
A. is excited by the possibility of cloning fierce and extinct animals
B. believes that extinct animals can be brought back to life by cloning
C. thinks it impossible or unsuitable to clone extinct animals like dinosaurs
D. dreams of dinosaurs returning to the earthAnswer the following questions:1. Why shouldn’t you clone an extinct animal if there isn’t 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 live in a zoo?It is not a good idea to clone an animal that would live in a zoo because it is not a suitable habitat to develop and increase its numbers. The zoo is not a natural environment for a wild animal.1. The film Jurassic Park is popular because _____.
A. people are interested in the subject
of cloning
B. all the actors are dinosaurs
C. it was directed by a scientist who
clones dinosaurs
D. it proves very interestingChoose the best answers. 2. Which of the following is true? ____
Mice were cloned in 1981.
B. Dolly the sheep was the first cloned animal.
C. The name of the cloned cow is “Bison”
D. China was successful in cloning mammals.3. The reasons why a group of cloned animals
all die of the same illness do NOT include ____.
A. they have the same arrangement of
genes
B. there isn’t enough diversity in the group
for it to overcome illnesses
C. the illness is a new one
D. their arrangement of genes can not
resist that new diseaseFill in the blanks according to the text.ordinary peopleReasonsdiversitysuitable habitatmerely a dream We can infer from the text that _____.
A. scientists are experimenting to clone dinosaurs
B. dinosaurs will never return to the earth
C. cloned animals will only live in the zoo
D. the DNA of dinosaurs can only survive 10000 yearPost-readingTrue or false according to the text. Scientists are still experimenting with cloning mammals because they think it can make money.
The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning.
If we can clone any extinct animals, we should let them live in a zoo.FFFOthers will survive and pass on the ability
to resist that disease to the next generation.
其他的将存活下来并传递其后代抵抗这种
病的能力。 单词讲解resist
vt. 抵制, 抵抗
resistance n. 抵抗, 反抗; 抵抗力; 耐性
resistant adj. 抵抗的; 防……的；
resister n. 抵抗者
resistibility n. 可抵抗性；抵抗力【常用搭配】
resist sth. /doing sth.
抵制某事/做某事
can’t resist sth./ doing sth.
禁不住某事/做某事
resist the enemy/ temptation
抵抗敌人/抵制诱惑根据汉字提示完成句子。
1) We are determined to stay and ______________ (抵抗敌人).
2) Tom ________________________ (忍不住开玩笑) about his strange hairstyle.
3) Quite a few people in power _________ _____________________ (抵制不住金钱的诱惑) and disobey the law. can’t resist the temptation of moneyresist the enemycouldn’t resist playing jokes1. The popularity of films such as Jurassic Park, in which a scientist clones several kinds of extinct dinosaurs, proves how the idea struck a mixture of fear and excitement into people’s hearts.长难句分析在《侏罗纪公园》这部电影中, 有一位科学家克隆了好几种不同的绝种恐龙。类似这样的电影很受欢迎, 证明了这一想法使人们感到既兴奋又恐惧。
________引导定语从句, ____引导宾语从句。in whichhow 2. From time to time people suggest that extinct animals like dinosaurs, can possibly be brought back to life through cloning. 人们时常设想灭绝的动物, 例如恐龙,有可能通过克隆技术使它们复活。from time to time有时, 间或, 偶尔,
= occasionally, now and then。3. Diversity in a group means having animals with their genes arranged in different ways. 群体的多样性是指这群动物的基因要以不同的方式排列。
with their genes arranged in different ways______, in different ways以不同的方式。作定语base on/upon 以……为基础, 依据
其结构为: base sth. on/upon
sth. is based on/upon4. Based on what we know now, you cannot clone animals that have been extinct longer than 10000 years. 就我们所知，你不可能克隆那些已经绝种了一万年以上的动物。 May the best animal win!
Which extinct animals are worth restoring by means of cloning? Look at the table on page 16 and look for some information on the internet to help you and choose one of them to talk with your partner.Discussion When you have both agreed on one animal, make a list of your reasons for restoring it. Write a short report giving your reasons to persuade other people. You can use other information you acquire. Look at the list of the reasons and benefits of bringing the dodo back to life on page 17.Animal testing, also known as animal experimentation or animal research, is the use of non-human animals in experiments. ListeningIs cloning cruel? Think of your point of view and talk with your partner.
Xiao Qing and Rachel are discussing whether cloning is cruel to animals or not. Listen and see whether you agree with Xiao Qing or Rachel.If you want to speak fluent English, you need to listen carefully to native speakers so that you can understand them. You might find this hard at first but it pays off when you come to speak. It will improve your accent and correct mistakes in your grammar. Meanwhile you will obtain a lot of information.Learning TipSo improve your confidence and your speaking ability by listening to native speakers’ recordings over and over again. Repeat what they say our loud. The more you do this, the more you will find yourself becoming comfortable with the sound of the language.1. Read these statements before listening. Tick those that you hear.
① Cloning will bring dead pets to life.
② There were 627 experiments before
Dolly was successfully cloned.③ Cloning may help cure serious illnesses.
④ It’s a dead end.
⑤ Dolly the sheep was “middle-aged” when she was born.
⑥ So your grandmother would be able to start her life all over again and live much longer.2. Listen to the tape again and then work with a partner to fill in the chart. 1 cruel to animals1 scientists are doing
a wonderful job2 makes the animals
do unnatural things 2 may bring people’s favourite pets back to life4 weakens the
species4 it may provide cures
for serious illnesses3 it is a “dead end”3 problems because it
is a new science3. Whose ideas do you agree with?
Get ready to have a class discussion. Think about the reasons for your point of view. Use your own ideas as well as those in the text. The expressions below may be helpful to you.That’s a good idea.
I support… because…
I agree with… because…
That’s a great idea!
Your argument has convinced me because…
Your ideas sound very encouraging to me.I cannot accept your argument because…
No, I can’t agree with… because…
How can you believe that?
I would like to agree with you but…
I don’t care for your ideas because…
No, that is not reasonable because…Sample dialogueXIAO: I agree with animals cloning. I think we must be safe so animals are needed to test things first.
LEI: No, I can’t agree with that because animals are alive too. Don’t they deserve a good life?DAVE: I agree with XIAO because we won’t know if cloning is safe for humans unless we try it on animals first.
LILY: How can you believe that? Lei’s argument is correct. If we make animals live unnatural lives and do unnatural things, then it won’t be good for them or us.XIAO: But the scientists are trying their best to make things better for the animals. They want them to have as natural a life as possible. Your ideas are not reasonable. Unless we try things out on animals, cloning may not be safe for human beings.DAVE: Your arguments have convinced me, Xiao. I will vote with you.
LILY: Lei’s arguments sound more encouraging to me. I support a better life for animals used in cloning experiments.
LEI: Thank you Lily. Thank you for your support. I. 选用方框内合适的单词并用其正确形 式填空（每个单词限用一次）。 1. ________ to sleep, I got up and made
myself a drink.
2. The only wall __________ are candles
and a single mirror.strike, resist, decorate, able, drawback, adoreUnable???? decorations? 练一练3. She fell heavily, ________ her head
against the side of the boat.
4. She ________ her parents and would
do anything to please them.
5. One of the __________ of living with
someone is having to share a bathroom.
6. He tried to run away from the police and was charged with ________ arrest.adored drawbacks resistingstriking II. 选用方框内合适的短语并用其正确形 式填空（每个短语限用一次）。1. My dad cooks dinner ________________, but usually my mom does it.strike ... into one’s heart,
from time to time,
bring ... back to life, in vain, die outfrom time to time???? ?????? 2. They tried to persuade her to go, but
their efforts were _______.
3. My father died last year. I wish I could
________ him __________.
4. This species has nearly __________ because its habitat is being destroyed.
5. The scene ________ terror
_____________. He is still unwilling to
talk about it now.bring back to life???? ?? died out????? struck into his heartin vain??????? The rest two Aurochs and Quagga are left for you. Follow the examples, and write your own report.
CloningUsing Language1. Do you know anything about dinosaurs?
2. Have you ever seen the film Jurassic
Park?The return of the dinosaurs?Enjoy some pictures about dinosaurs. 暴龙
tyrannosaurus剑龙
stegosaurs角龙
ceratopsids翼龙
pterodactyl雷龙
brontosaurusDoes the author believe the dinosaurs can be cloned?Fast readingThe writer of the text ______.
A. is excited by the possibility of cloning fierce and extinct animals
B. believes that extinct animals can be brought back to life by cloning
C. thinks it impossible or unsuitable to clone extinct animals like dinosaurs
D. dreams of dinosaurs returning to the earthAnswer the following questions:1. Why shouldn’t you clone an extinct animal if there isn’t 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 live in a zoo?It is not a good idea to clone an animal that would live in a zoo because it is not a suitable habitat to develop and increase its numbers. The zoo is not a natural environment for a wild animal.1. The film Jurassic Park is popular because _____.
A. people are interested in the subject
of cloning
B. all the actors are dinosaurs
C. it was directed by a scientist who
clones dinosaurs
D. it proves very interestingChoose the best answers. 2. Which of the following is true? ____
Mice were cloned in 1981.
B. Dolly the sheep was the first cloned animal.
C. The name of the cloned cow is “Bison”
D. China was successful in cloning mammals.3. The reasons why a group of cloned animals
all die of the same illness do NOT include ____.
A. they have the same arrangement of
genes
B. there isn’t enough diversity in the group
for it to overcome illnesses
C. the illness is a new one
D. their arrangement of genes can not
resist that new diseaseFill in the blanks according to the text.ordinary peopleReasonsdiversitysuitable habitatmerely a dream We can infer from the text that _____.
A. scientists are experimenting to clone dinosaurs
B. dinosaurs will never return to the earth
C. cloned animals will only live in the zoo
D. the DNA of dinosaurs can only survive 10000 yearPost-readingTrue or false according to the text. Scientists are still experimenting with cloning mammals because they think it can make money.
The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning.
If we can clone any extinct animals, we should let them live in a zoo.FFFOthers will survive and pass on the ability
to resist that disease to the next generation.
其他的将存活下来并传递其后代抵抗这种
病的能力。 单词讲解resist
vt. 抵制, 抵抗
resistance n. 抵抗, 反抗; 抵抗力; 耐性
resistant adj. 抵抗的; 防……的；
resister n. 抵抗者
resistibility n. 可抵抗性；抵抗力【常用搭配】
resist sth. /doing sth.
抵制某事/做某事
can’t resist sth./ doing sth.
禁不住某事/做某事
resist the enemy/ temptation
抵抗敌人/抵制诱惑根据汉字提示完成句子。
1) We are determined to stay and ______________ (抵抗敌人).
2) Tom ________________________ (忍不住开玩笑) about his strange hairstyle.
3) Quite a few people in power _________ _____________________ (抵制不住金钱的诱惑) and disobey the law. can’t resist the temptation of moneyresist the enemycouldn’t resist playing jokes1. The popularity of films such as Jurassic Park, in which a scientist clones several kinds of extinct dinosaurs, proves how the idea struck a mixture of fear and excitement into people’s hearts.长难句分析在《侏罗纪公园》这部电影中, 有一位科学家克隆了好几种不同的绝种恐龙。类似这样的电影很受欢迎, 证明了这一想法使人们感到既兴奋又恐惧。
________引导定语从句, ____引导宾语从句。in whichhow 2. From time to time people suggest that extinct animals like dinosaurs, can possibly be brought back to life through cloning. 人们时常设想灭绝的动物, 例如恐龙,有可能通过克隆技术使它们复活。from time to time有时, 间或, 偶尔,
= occasionally, now and then。3. Diversity in a group means having animals with their genes arranged in different ways. 群体的多样性是指这群动物的基因要以不同的方式排列。
with their genes arranged in different ways______, in different ways以不同的方式。作定语base on/upon 以……为基础, 依据
其结构为: base sth. on/upon
sth. is based on/upon4. Based on what we know now, you cannot clone animals that have been extinct longer than 10000 years. 就我们所知，你不可能克隆那些已经绝种了一万年以上的动物。 May the best animal win!
Which extinct animals are worth restoring by means of cloning? Look at the table on page 16 and look for some information on the internet to help you and choose one of them to talk with your partner.Discussion When you have both agreed on one animal, make a list of your reasons for restoring it. Write a short report giving your reasons to persuade other people. You can use other information you acquire. Look at the list of the reasons and benefits of bringing the dodo back to life on page 17.Animal testing, also known as animal experimentation or animal research, is the use of non-human animals in experiments. ListeningIs cloning cruel? Think of your point of view and talk with your partner.
Xiao Qing and Rachel are discussing whether cloning is cruel to animals or not. Listen and see whether you agree with Xiao Qing or Rachel.If you want to speak fluent English, you need to listen carefully to native speakers so that you can understand them. You might find this hard at first but it pays off when you come to speak. It will improve your accent and correct mistakes in your grammar. Meanwhile you will obtain a lot of information.Learning TipSo improve your confidence and your speaking ability by listening to native speakers’ recordings over and over again. Repeat what they say our loud. The more you do this, the more you will find yourself becoming comfortable with the sound of the language.1. Read these statements before listening. Tick those that you hear.
① Cloning will bring dead pets to life.
② There were 627 experiments before
Dolly was successfully cloned.③ Cloning may help cure serious illnesses.
④ It’s a dead end.
⑤ Dolly the sheep was “middle-aged” when she was born.
⑥ So your grandmother would be able to start her life all over again and live much longer.2. Listen to the tape again and then work with a partner to fill in the chart. 1 cruel to animals1 scientists are doing
a wonderful job2 makes the animals
do unnatural things 2 may bring people’s favourite pets back to life4 weakens the
species4 it may provide cures
for serious illnesses3 it is a “dead end”3 problems because it
is a new science3. Whose ideas do you agree with?
Get ready to have a class discussion. Think about the reasons for your point of view. Use your own ideas as well as those in the text. The expressions below may be helpful to you.That’s a good idea.
I support… because…
I agree with… because…
That’s a great idea!
Your argument has convinced me because…
Your ideas sound very encouraging to me.I cannot accept your argument because…
No, I can’t agree with… because…
How can you believe that?
I would like to agree with you but…
I don’t care for your ideas because…
No, that is not reasonable because…Sample dialogueXIAO: I agree with animals cloning. I think we must be safe so animals are needed to test things first.
LEI: No, I can’t agree with that because animals are alive too. Don’t they deserve a good life?DAVE: I agree with XIAO because we won’t know if cloning is safe for humans unless we try it on animals first.
LILY: How can you believe that? Lei’s argument is correct. If we make animals live unnatural lives and do unnatural things, then it won’t be good for them or us.XIAO: But the scientists are trying their best to make things better for the animals. They want them to have as natural a life as possible. Your ideas are not reasonable. Unless we try things out on animals, cloning may not be safe for human beings.DAVE: Your arguments have convinced me, Xiao. I will vote with you.
LILY: Lei’s arguments sound more encouraging to me. I support a better life for animals used in cloning experiments.
LEI: Thank you Lily. Thank you for your support. I. 选用方框内合适的单词并用其正确形 式填空（每个单词限用一次）。 1. ________ to sleep, I got up and made
myself a drink.
2. The only wall __________ are candles
and a single mirror.strike, resist, decorate, able, drawback, adoreUnable???? decorations? 练一练3. She fell heavily, ________ her head
against the side of the boat.
4. She ________ her parents and would
do anything to please them.
5. One of the __________ of living with
someone is having to share a bathroom.
6. He tried to run away from the police and was charged with ________ arrest.adored drawbacks resistingstriking II. 选用方框内合适的短语并用其正确形 式填空（每个短语限用一次）。1. My dad cooks dinner ________________, but usually my mom does it.strike ... into one’s heart,
from time to time,
bring ... back to life, in vain, die outfrom time to time???? ?????? 2. They tried to persuade her to go, but
their efforts were _______.
3. My father died last year. I wish I could
________ him __________.
4. This species has nearly __________ because its habitat is being destroyed.
5. The scene ________ terror
_____________. He is still unwilling to
talk about it now.bring back to life???? ?? died out????? struck into his heartin vain??????? The rest two Aurochs and Quagga are left for you. Follow the examples, and write your own report.