外研版（2019）选择性必修一Unit 5 Revealing nature Period 4 Revision 课件（共38张）

(共38张PPT)
Period 4 Revision
Step 1. Key words and phrases
Step 2: Sentence structures
Step 3: Writing task
Revision
Revision
Vocabulary expansion
and exercises
Revision
distant/distance
distant adj. 遥远的；冷漠的；远隔的；不友好的，冷淡的
a distant relative 远亲 in the distant/near future 在遥远的/不远的未来
distance n. n. 距离；远方；疏远； distance between...之间的差距/距离
in the distance 在远处 keep sb at a distance 与某人保持距离
distantly adv. 远离地，遥远地；疏远地，冷淡地
1. The telescope reveals ________________ to our sight.
望远镜把许多遥远的星球显现在我们的眼前。
2. The coldness and _________ in her voice took me by surprise.
她话语中透出的冷淡和疏远使我感到意外。
many distant stars
distance
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seed
seed n. 种子，（作集合名词时为不可数名词）
a grain of mustard seed 有极大发展前途的小东西
birdseed 鸟食 go/run to seed 退化；花谢结子；变得不修边幅
sow/plant a/the seed of doubt (in someone's mind) (在某人心中)播下怀疑的种子
Good seed makes a good crop. 好种子才有好收成。
1. He's seventy now, and is beginning to ___________.
2. He is planting ______________ in your mind.
go to seed
a seed of doubt
他现在七十岁了，开始变得不修边幅了。
他正在你令你起疑心。
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disgrace
disgrace n. 耻辱，丢脸的事 be a disgrace to sb 对某人来说是一个耻辱
in disgrace 不光彩地 disgraceful adj. 可耻的，不名誉的，丢脸的
1. His behaviour was absolutely ___________(disgrace)!
2. That sort of behaviour is ______________(是...的耻辱) the legal profession.
disgraceful
a disgrace to
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blame
blame vt. 责备；归咎于；n. 责备；责任；过失
blame sb for sth 因为某事而责备人 bear the blame 承担责任
someone is to blame for sth 某人应为某事承担责任
take the blame 承担责任
1. She was partly to blame for __________(fail) to look as she crossed the road.
2. No one present made an answer when asked who had broken the window, so he didn't
know who ______________(应该承担责任).
3. I'm not going to sit around and _______________(承担责任) for a mistake he made.
failing
was to blame
take the blame
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link
link n. 联系，关系；链接；v. 连接起来；联系在一起；将人或物连接或联系起来
a link between...之间的联系
__________________________________吸烟和肺癌之间的关系
link sth with sth 把...与...联系起来 link...to...把...连接到...上
1. The video cameras _____________(被连接到...上) a powerful computer.
2. Available in English, French, German and Italian, it has ________(link) to other relevant
tourism sites.
a link between smoking and lung cancer
它有可供阅读的英文、法文、德文和意大利文版本，也有通向其它相关旅游网站的链接。
are linked to
links
Revision
a trree
树根—root
树干—trunk
树枝—branches
树叶—leaves
叶脉—leaf veins
果实—fruit
Revision
1. In 2006, Gurdon's work was developed by Yamanaka to show that a _________(样本)
of a person's skin can be used to create stem cells.
2. The company burns coal ___________(产生) power.
3. His _________(祖先) had come to America from Ireland.
4. Find out which of these are ________(本土的) plants and which are exotic.
5. The number of staff has ___________(减少) from 217,000 to 114,000.
2006年，山中伸弥对古尔登的研究成果进行了进一步研究，以证明一个人的皮肤样本可以用来制造干细胞。
sample
to generate
ancestors
native
declined
该公司烧煤以产生能源。
他的祖先从爱尔兰来到美国。
找出哪些是本地植物，哪些是外来的。
员工人数已从217000人减少到114000人。
Revision
6. Darwin eventually put forward a model of biological __________(进化).
7. __________(原始的) humans needed to be able to react like this to escape from
dangerous animals.
8. How can you _________(发现) a liar through phone calls
9. What would you say was the ___________(根本原因) of the problem
10. Genes determine the _____________(特征) of every living thing.
evolution
达尔文最终提出了一套生物进化的理论模式。
Primitive
root cause
detect
characteristics
原始人们需要能够像这样反应以逃脱危险的动物。
你怎么能通过电话发现一个骗子呢
你认为问题的根源是什么？
基因决定每个生物的特征。
Revision
短语练习
first choice 首选 of all time 一直，始终；有史以来
in question 讨论中的；成问题的；考虑中的 be crowded with 拥塞；挤满；充满
come to exist 开始存在 adapt to 适应
a variety of 种种；各种各样的… tiny amounts of 微量的，少量的
drive...away 赶走；（把车）开走；离去 side by side 并肩；一起；并排
answer the call 相应号召 be native to原产于...，源于...de
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1. Chopsticks can be made of ____________ materials, including bamboo, wood, jade, ivory,
plastic, and even gold.
2. The towns are on a plateau at around 6, 000ft, with each dependent on a spring and the
_____________ rain they receive each year.
3. There were two children ahead, walking ____________.
4. The planet Earth _____________ about 4.5 billion years ago.
5. The future of public transport is not ____________.
a variety of
tiny amount of
side by side
came to exist
in question
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6. China has become the ____________, outside of Western Europe, for American students studying abroad.
7. Beethoven is the greatest musician ___________.
8. The world will be different, and we will have to be prepared to ____________ the change.
9. When the Spring Festival is around the corner, airports, railway stations and long-distance
bus stations _________________ home returnees.
10. I will ____________ your loneliness by talking about things that interest you.
first choice
of all time
adapt to
are crowded with
drive away
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Sentence structure
past perfect tense
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过去完成时（The Past Perfect Tense）
表示过去某一时间或动作以前已经发生或完成了的动作，对过去的某一点造成的某种影响或是结果，用来指在另一个过去行动之前就已经完成了的事件。
简单说，它表示动作发生的时间是“过去的过去”。
过去完成时概念及谓语构成
常用时间状语：
1. by + 过去的时间点；
2. by the end of + 过去的时间点；
3. before + 过去的时间点；
谓语构成：
had + done
Revision
考点精讲精练一：
过去完成时表示在过去某一时间或动作之前已经完成，常与by, before 等引导的时间状语连用，也常用于宾语从句或状语从句中，在叙述过去发生的两件事时，先发生的事情用过去完成时态，后发生的事情用一般过去时态。
1. The hotel wasn't particularly good. But I ________ in many worse hotels.
A. was staying B. stayed C. would stay D. had stayed
2. I found the lecture hard to follow because it ______ when I arrived.
A. started B. was starting C.would start D. had started
这个酒店不怎么好，但是我住过很多更糟的酒店。在入住这家酒店之前发生的事，要用过去完成时态。
Revision
考点精讲精练二：
过去完成时表示从过去某一时间延续到另外一个过去的时间的动作或状态
1. 我对动词一无所知,因为我没有好好学习功课。
I didn't know a thing about the verbs, for _____________________________.
2. 到上学期末我们已经学了二千多个英语单词。
__________________________________________by the end of last term.
I had not studied my lesson well
We had learned over two thousand English words
Revision
考点精讲精练三：
过去完成时在宾语从句中
当宾语 从句的主句为 一般过去时，且从句的动作先于主句的动作时，从句要用过去完成时。常用于在told, said, knew, heard, thought等动词后的宾语从句。
1. Just I got to the school gate, I realized I ________ my book in the cafe.
A. have left B. had left C. would leave D. was leaving
2. Whe walking down the street, I came across David, who I _______ for yeats.
A. didn't see B. haven't seen C. hadn't seen D. wouldn't see
当我到了学校门口，我意识到我把书落在咖啡馆了。把书落在咖啡馆这件事发生在先，然后我才意识到，过答案为B，要用过去完成时态。
我正在街上行走时，偶遇了David，我已经好多年没有见过他了。 多年没有见过他这件事先发生，偶遇这件事后发生，先发生的事情用一般过去时态。
Revision
考点精讲精练四：
过去完成时用在状语从句中
在描述过去的时间、条件、原因、方式等状语从句中，主、从句的动作发生有先后关系，动作在前的，要用过去完成时，动作在后的要用一般过去时。
注意： before, after 引导的时间状语 从句中，由于 before 和 after 本身已表达了动作的先后关系，若主、从句表示的动作紧密相连，则主、从句都用 一般过去时。如：
After he closed the door, he left the classroom. 他关上了门，离开了教室。
—Peter, where did you guys go for the summer vacation
—We_______ busy with our work for month, so we went to the beach to relax ourselves.
A. were B. have been C. had been D. will be
Peter, 你们去哪里度假了？我们几个月来一直忙工作，所以我们去海边放松了一下。几个月来忙于工作在先，所以用过去完成时态。
Revision
考点精讲精练五：
句子用过去完成时态时，句中一般有一个表示过去的时间或含在语境中（前因后果），这样才能构成“过去的过去”
1. I had been working on math for the whole afternoon and the numbers _______ before
my eyes.
A. swim B. swum C. swam D. had swum
2. —Kevin, you look worried. Anything wrong
— Well, I _______ a test and I'm waiting for the result.
A. will take B. took C. had taken D. take
我一个下午都在做数学题，数字在我眼前晃来晃去。后发生的事用一般过去时态。
我参加了一个测试，正在等结果。此处只表示过去，故用一般过去时态。
Revision
考点精讲精练六：
过去完成时用在hardly/sarcely...when.../no sooner...than...句式中，用来表示某事刚刚结束，另外一件事紧随发生，“刚一...就...”，在这个句式中，主句用过去完成时，从句用一般过去时。如：
I had no sooner reached home than it began to rain. 我刚到家，就开始下起雨来。
He had hardly sat down when the bell rang. 他刚坐下，铃声就响了。
1. 门刚一打开，狗狗就跑了出去。
2. The girl had hardly rung the bell _______ the door was opened suddenly, and her friend
rushed out to welcome her.
A. before B. until C. as D. when
The door had hardly been opened when the dog run out.
女孩刚按了门铃，门就被突然打开了。
Revision
hardly/sarcely...when.../no sooner...than...这两个句式常用于倒装句，把否定词hardly/scarcely/no sooner置于句首，主句要部分倒装，也就是要把过去完成时的助动词had移到主语的前面，从句的时态和语序保持不变。
1. Hardly _______ Lucia _______ her speech when the audience started applauding.
A. had, finished B.did, finish C. would finish D. has finished
2. No sooner _________ we _________(reach) the top of the hill ________ we all sat
down to rest.
3. No sooner had he arrived in Rome than he ___________(kill).
had
reached
than
was killed
Revision
考点精讲精练七：
过去完成时用在虚拟语气中，在虚拟条件句中，陈述与过去事实相反的事情时，
从句：If+主语+had+done (如果...)
主句：主语+should/would/might/could+have done
1. 如果我早到那儿，我就会见到她。（事实：去晚了）
_______________________, I should/would have met her.
2. 如果他听我的劝告的话，就不会犯这样的错误了。（事实：没有听我的话）
_________________________, he would not have made such a mistake.
3. If the new safety system _______ to us, the accident would never have happened.
A. had been put to use B. were put
C. should be put D. would be put
If I had got there earlier
If he had taken my advice
Revision
1. We couldn't catch up with the others because they ______too long before us.
A.started B.were starting C.have started D.had started
2. She felt anxious about her son as she______for quite a long time.
A.haven't heard him B.hadn'theard him
C.haven 't heard from him D.hadn't heard from him
3. By the time the speaker entered the hall, all the listeners______.
A. had been seated B.were seated C. seated D.were seating
4. By the end of next July this building______.
A.willbe finished B. will have finished
C.will have been finished D.had been finished
Revision
5. By the time the war______ most of the people had left.
A.was began B.was broken out C.broke out D.had been broken out
6. If she______ harder, she would have succeeded.
A. had worked B.have worked C. should work D.worked
7I wish I ______ you yesterday.
A.seen B.did see C.had seen D.were to se
8. He is talking so much about America as if he________ there.
A.had been B.has been C.was D.been
Revision
9. That dinner was the most expensive meal we______.
A.would have B.have had C.had never had D.had ever had
10.WhenJack arrived, he learned Mary________ for almost an hour.
A had gone B.had set off C.had left D.had been away.
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Writing task
How to recommend a book or a TV programme to others
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语料补充
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"Life" is a documentary series produced by BBC, which has been broadcast on BBC TV since October 12, 2009. It took four years to make this film.
2009 is the bicentenary of Darwin's birth and the 150 th anniversary of the publication of The Origin of Species. In order to commemorate, this film tries to show the diversity of colorful species in nature and their magical survival skills evolving to adapt to the environment.
《生活》是BBC制作的纪录片系列，自2009年10月12日起在BBC电视台播出。拍这部电影花了四年时间。
2009年是达尔文诞生200周年和《物种起源》出版150周年。为了纪念达尔文，这部电影试图展示自然界丰富多彩的物种的多样性，以及它们为适应环境而进化的神奇生存技能。
Revision
This is the first big movie on wildlife produced by Disney Nature Transnational Team. The film focuses on three unique wildlife families in China: Sichuan Giant Panda, Sanjiangyuan Snow Leopard and Sichuan Golden Monkey, and tells the touching story of their birth and growth in the mysterious nature reserve.
"We were born in China" is the first natural film shot in the national region under the DISNEY NATURE, showing the world the unique natural landscapes and unique magical species in China.
这是迪士尼自然跨国团队制作的第一部关于野生动物的大电影。影片聚焦中国特有的三大野生动物家族:四川大熊猫、三江源雪豹和四川金丝猴，讲述了他们在神秘的自然保护区出生和成长的感人故事。
《我们生在中国》是迪士尼自然(DISNEY NATURE)在中国拍摄的第一部自然电影，向世界展示了中国独特的自然景观和独特的神奇物种。
Revision
This film leads us around the mysterious and mysterious world of plants. The interesting process of plant survival has never been introduced in such a narrative and dramatic way. In this film we can look closely at the plants' journey, growth, flowering and struggle with other plants and animals to survive and adapt to the environment.
这部电影带我们参观了神秘的植物世界。这部电影以从来没有过的叙事和戏剧性的方式介绍了植物生存的有趣过程。在这部电影中，我们可以仔细观察植物的旅程、生长、开花以及与其他动植物的生存和适应环境的斗争。
Revision
This is the BBC's three-episode documentary, which was was broadcast in 2018. There are 40 different species of cats, including African lions, tigers, leopards, leopards, cheetahs, clouded leopards,etc. The film has also promoted new breakthroughs in scientific research. For those rare little cats, we can also understand their mysterious life through movies. This film tries to make this group of fierce and cute animal stars become the focus.
这是BBC的三集纪录片，2018年播出。影片中有40种不同种类的猫科动物，包括非洲狮、老虎、豹子、豹子、猎豹、云豹等。这部电影也促进了科学研究的新突破。对于那些稀有的小猫，我们也可以通过电影了解它们神秘的生活。这部电影试图让这群凶猛可爱的动物明星成为焦点。
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Language Features
Third person
Present simple tense
Present perect tense
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假设你是李华,你的英语老师让你向同学们推荐一个纪录片,介绍中国或世界的野生动植物，你推荐Born in China,并说明理由。
内容包括:
1. 第一部由中美英三国共同拍摄的动物大片
2. 介绍了中国特有的三种野生动物
3. 向世界展示了中国的神奇动物和自然环境
Revision
Dear Class
I'll recommend the documentary Born in China to you.
Born in China is the first big movie on wildlife produced by a Chinese-American-British transntional team. The film focuses on three unique wildlife families in China: Sichuan Giant Panda, Sanjiangyuan Snow Leopard and Sichuan Golden Monkey, telling the touching story of their birth and growth in the mysterious nature reserve. In the movie we can also see that Snow leopard mother gives her life to raise her children and a panda mother who deeply loves her daughter eventually lets her daughter live alone. Last but not least, the movie shows the world the unique natural landscapes and unique magical species in China.
Born in China is really a wonderful movie from which you can learn a lot about the magic nature. I'm sure you will enjoy it very much.
(140 words)
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See You Next Time
感谢您的观看