外研版（2019）选择性必修第四册Unit5 Into the unknown- Understanding ideas课件(12张ppt)
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| 名称 | 外研版（2019）选择性必修第四册Unit5 Into the unknown- Understanding ideas课件(12张ppt) |  | |
| 格式 | zip | ||
| 文件大小 | 103.9KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2021-12-30 11:10:08 | ||
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(共12张PPT)
Period 1 Understadning ideas
The Mysteries of THE MAYA
Learning aims:
Recite the words of unit 5;
Enable to understand the passage on the whole by finishing the exercise;
Review language points by sentences analysis and apply them into writing;
4. Accumulate some phrases and usages in the passage by reciting
and applying.
Step 1:Reading and comprehension of the passage
1.What had William Gadoury thought he discovered
A. Ancient star charts. B.An ancient jungle.
C.An unknown Maya city. D. The location of ancient Maya cities.
2.What does th word”complicated” in paragraph 2 mean
A. Difficult to understand. B. Not known or identified.
C.Unexpected, surprising or strange. D. Impossible or very difficult to believe.
3.What might have caused the downful of Maya civilisation
A.The jungle’s expansion. B.Europeans’ invasion(入侵).
C.A series of droughts. D.A deadly disease.
4.What does the passage mainly talk about
A. An incredible discovery of a Maya city. B.Reasons for the Maya’s collapse.
C.Achievements of Maya civilization. D.The mysterious Maya civilization.
CACD
Step 2. Read the passage again and finish Activity 3&4 on P52
answer:1-c 2-a 3-b 4-f 5-d 6-e
Mexico
Central America
natural disasters
digging huge canal systems
turning wetlands into fields
population
droughts
lasting for a couple of years
Step 3:Think and Share
What is the author’s purpose in starting the passage with the story about William Gadoury
The story about William Gadoury shows how the secrets of Ancient Maya civilisation have captured people’s imaginations.
Step 4: Translate and analyse these impotant sentences:
1.Based on this, he believed he had spotted an unknown Maya city buried
deep in the jungle.
2.What is most extraordinary about these complex structures is how they were
built without the use of wheels, metal tools or even animal power.
3.Meanwhile, the rise and fall of this civilization must also leave us thinking
ahout our own past, present and future.
4.By changing the landscape in this way, it is possible that the Maya people
unknowingly reduced their ability to deal with natual disasers.
5.Its once-great cities fell into ruin, leaving various mysteries for later people
to solve.
6.On top of all this was an achievement unique in the Americas at that time: a
true writing system.
1.Based on this, he believed he had spotted an unknown Maya city buried
deep in the jungle.
据此，他相信自己发现了一座隐藏于丛林深处的未为人所知的玛雅城市的位置。
language points：
(1)buried deep in the jungle 过去分词短语作后置定语。
bury...in...把...埋到...里 be buried in 专心致志于...
(2)spot v.认出；弄脏 n.地点；斑点 on the spot 当场；在现场
2.What is most extraordinary about these complex structures is how they were built without the use of wheels, metal tools or even animal power.
这些复杂建筑最不同寻常之处在于，在没有使用机轮、金属工具甚至畜力的情况下，玛雅人是如何建造他们的。
思考：what和 how分别引导什么从句？
what引导主语从句，且在从句中充当主语的成分。how引导表语从句，在从句中作方式状语。
Some told tales of____they had helped them survive during bad weather.(限训6)
how
3.Meanwhile, the rise and fall of this civilization must also leave us thinking ahout our own past, present and future.
同时，玛雅文明的崛起与衰落必定也让我们思考自己的过去、现在与将来。
5.Its once-great cities fell into ruin, leaving various mysteries for later people
to solve.
曾经恢宏的城市沦为废墟，留下各种谜团等待后人解开。
leave 的复合结构：leave+宾语+宾补(doing/done/to do/n./adj./adv./介词短语)
(1)leave sb/sth doing sth使某人/某物保持...状态
Don’t leave her________(wait) outside in the rain.
(2)leave sb/sth done 表示被动或动作已经完成
He got up slowly, leaving the lunch_________(finish).
(3)leave sb/sth to do 表示让...去做某事，表将来或目的
He left me ______(do) what he told but I refused his order.
(4)leave the window open/ leave the light on/ leave the key at my office
waiting
unfinished
to do
4.By changing the landscape in this way, it is possible that the Maya people
unknowingly reduced their ability to deal with natural disasters.
通过这样改变地貌，玛雅人可能在不知不觉中减弱了自己应对自然灾害的能力。
思考:that引导什么从句？常见的后面接to do作后置定语的名词？
(1)it作形式主语，that引导真正的主语。
(2)抽象名词常常用不定式做后置定语，如ability, freedom, chance, choice, opportunity, strength, way, desire 等；此外序数词后也常用to do做定语。
6.On top of all this was an achievement unique in the Americas at that time: a true writing system.
除此之外，还有项当时在美洲独一无二的成就：一套真正的文字系统。
完全倒装：将谓语完全置于主语之前的句子。
on top of 除...之外
他除了薪金之外还拿奖金。
He gets bonus on top of his salary.
变式训练：
1.当她意识到发生了什么的时候，她双手掩面而泣。
When she realized what happened, she buried her face in her hands and cried.
2.他们知道无论遇到什么困难，他们都有能力解决它们。
They know that no matter what difficulties come their way, they have the ability to solve them.
3.看到招聘兼职英语翻译的广告，我写信申请这份工作。(写作训练二)
Having seen the advertisement that a part-time English translator is in need, I am writing to apply for this job.
4.约翰匆忙跑了出去，门没锁。
John rushed out in a hurry, leaving the door unlocked.
1.make an incredible discovery 有惊人的发现 discover v.
2.through comparison 通过比较 compare-comparison
3.correspond to 符合，与...一致
4.be based on 根据，以...为基础
5.be buried in 被埋在...;专心致志于
6.apply...to... 把...运用到...apply for 申请
7.be accurate to 精确到
8.on top of 除...之外
9.at its peak 在...巅峰 at the peak of...
10.claim its riches 索取财富 claim v.宣称；要求；索取
11.a deadly disease 致死的疾病 deadly adj.致命的
12.as their population expanded 随着人口增长 with population expanding
13.last for 持续
14.at different rate 以不同的速度 rate比率，等级，速度
15.fall into ruin 衰落，败落
16.be surrounded by 被...包围
17.by dismissed by 被...解雇
18.lead to the decline of the Maya 导致了玛雅文明的衰退
decline 下降；衰退；谢绝
19.a couple of 一对，三两个
20.extend from...to... 从...到...延伸
1.He________(bury) in a novel, so he didn’t notice me come in.
2.Any_____who would like _______ to become an assistant in our company should send us an________before December.(apply)
3.You cannot predict everything_________(accurate). Often things don’t work out as you expect.
4.The number of people who run the red light_____________since the new traffic regulations came into effect.(decline n.)
自从新的交通法规实施以来，闯红灯的人数下降了。
5.I got caught in the rain on my way home and my new suit got_______(ruin).
6.________(abandon) himself to the sorrow of losing his cat, Steven just couldn’t help crying.
1.was buried 2.applicant; to apply; application 3.accurately 4.has been in decline/ on the decline 5.ruined 6.Abandoning
Period 1 Understadning ideas
The Mysteries of THE MAYA
Learning aims:
Recite the words of unit 5;
Enable to understand the passage on the whole by finishing the exercise;
Review language points by sentences analysis and apply them into writing;
4. Accumulate some phrases and usages in the passage by reciting
and applying.
Step 1:Reading and comprehension of the passage
1.What had William Gadoury thought he discovered
A. Ancient star charts. B.An ancient jungle.
C.An unknown Maya city. D. The location of ancient Maya cities.
2.What does th word”complicated” in paragraph 2 mean
A. Difficult to understand. B. Not known or identified.
C.Unexpected, surprising or strange. D. Impossible or very difficult to believe.
3.What might have caused the downful of Maya civilisation
A.The jungle’s expansion. B.Europeans’ invasion(入侵).
C.A series of droughts. D.A deadly disease.
4.What does the passage mainly talk about
A. An incredible discovery of a Maya city. B.Reasons for the Maya’s collapse.
C.Achievements of Maya civilization. D.The mysterious Maya civilization.
CACD
Step 2. Read the passage again and finish Activity 3&4 on P52
answer:1-c 2-a 3-b 4-f 5-d 6-e
Mexico
Central America
natural disasters
digging huge canal systems
turning wetlands into fields
population
droughts
lasting for a couple of years
Step 3:Think and Share
What is the author’s purpose in starting the passage with the story about William Gadoury
The story about William Gadoury shows how the secrets of Ancient Maya civilisation have captured people’s imaginations.
Step 4: Translate and analyse these impotant sentences:
1.Based on this, he believed he had spotted an unknown Maya city buried
deep in the jungle.
2.What is most extraordinary about these complex structures is how they were
built without the use of wheels, metal tools or even animal power.
3.Meanwhile, the rise and fall of this civilization must also leave us thinking
ahout our own past, present and future.
4.By changing the landscape in this way, it is possible that the Maya people
unknowingly reduced their ability to deal with natual disasers.
5.Its once-great cities fell into ruin, leaving various mysteries for later people
to solve.
6.On top of all this was an achievement unique in the Americas at that time: a
true writing system.
1.Based on this, he believed he had spotted an unknown Maya city buried
deep in the jungle.
据此，他相信自己发现了一座隐藏于丛林深处的未为人所知的玛雅城市的位置。
language points：
(1)buried deep in the jungle 过去分词短语作后置定语。
bury...in...把...埋到...里 be buried in 专心致志于...
(2)spot v.认出；弄脏 n.地点；斑点 on the spot 当场；在现场
2.What is most extraordinary about these complex structures is how they were built without the use of wheels, metal tools or even animal power.
这些复杂建筑最不同寻常之处在于，在没有使用机轮、金属工具甚至畜力的情况下，玛雅人是如何建造他们的。
思考：what和 how分别引导什么从句？
what引导主语从句，且在从句中充当主语的成分。how引导表语从句，在从句中作方式状语。
Some told tales of____they had helped them survive during bad weather.(限训6)
how
3.Meanwhile, the rise and fall of this civilization must also leave us thinking ahout our own past, present and future.
同时，玛雅文明的崛起与衰落必定也让我们思考自己的过去、现在与将来。
5.Its once-great cities fell into ruin, leaving various mysteries for later people
to solve.
曾经恢宏的城市沦为废墟，留下各种谜团等待后人解开。
leave 的复合结构：leave+宾语+宾补(doing/done/to do/n./adj./adv./介词短语)
(1)leave sb/sth doing sth使某人/某物保持...状态
Don’t leave her________(wait) outside in the rain.
(2)leave sb/sth done 表示被动或动作已经完成
He got up slowly, leaving the lunch_________(finish).
(3)leave sb/sth to do 表示让...去做某事，表将来或目的
He left me ______(do) what he told but I refused his order.
(4)leave the window open/ leave the light on/ leave the key at my office
waiting
unfinished
to do
4.By changing the landscape in this way, it is possible that the Maya people
unknowingly reduced their ability to deal with natural disasters.
通过这样改变地貌，玛雅人可能在不知不觉中减弱了自己应对自然灾害的能力。
思考:that引导什么从句？常见的后面接to do作后置定语的名词？
(1)it作形式主语，that引导真正的主语。
(2)抽象名词常常用不定式做后置定语，如ability, freedom, chance, choice, opportunity, strength, way, desire 等；此外序数词后也常用to do做定语。
6.On top of all this was an achievement unique in the Americas at that time: a true writing system.
除此之外，还有项当时在美洲独一无二的成就：一套真正的文字系统。
完全倒装：将谓语完全置于主语之前的句子。
on top of 除...之外
他除了薪金之外还拿奖金。
He gets bonus on top of his salary.
变式训练：
1.当她意识到发生了什么的时候，她双手掩面而泣。
When she realized what happened, she buried her face in her hands and cried.
2.他们知道无论遇到什么困难，他们都有能力解决它们。
They know that no matter what difficulties come their way, they have the ability to solve them.
3.看到招聘兼职英语翻译的广告，我写信申请这份工作。(写作训练二)
Having seen the advertisement that a part-time English translator is in need, I am writing to apply for this job.
4.约翰匆忙跑了出去，门没锁。
John rushed out in a hurry, leaving the door unlocked.
1.make an incredible discovery 有惊人的发现 discover v.
2.through comparison 通过比较 compare-comparison
3.correspond to 符合，与...一致
4.be based on 根据，以...为基础
5.be buried in 被埋在...;专心致志于
6.apply...to... 把...运用到...apply for 申请
7.be accurate to 精确到
8.on top of 除...之外
9.at its peak 在...巅峰 at the peak of...
10.claim its riches 索取财富 claim v.宣称；要求；索取
11.a deadly disease 致死的疾病 deadly adj.致命的
12.as their population expanded 随着人口增长 with population expanding
13.last for 持续
14.at different rate 以不同的速度 rate比率，等级，速度
15.fall into ruin 衰落，败落
16.be surrounded by 被...包围
17.by dismissed by 被...解雇
18.lead to the decline of the Maya 导致了玛雅文明的衰退
decline 下降；衰退；谢绝
19.a couple of 一对，三两个
20.extend from...to... 从...到...延伸
1.He________(bury) in a novel, so he didn’t notice me come in.
2.Any_____who would like _______ to become an assistant in our company should send us an________before December.(apply)
3.You cannot predict everything_________(accurate). Often things don’t work out as you expect.
4.The number of people who run the red light_____________since the new traffic regulations came into effect.(decline n.)
自从新的交通法规实施以来，闯红灯的人数下降了。
5.I got caught in the rain on my way home and my new suit got_______(ruin).
6.________(abandon) himself to the sorrow of losing his cat, Steven just couldn’t help crying.
1.was buried 2.applicant; to apply; application 3.accurately 4.has been in decline/ on the decline 5.ruined 6.Abandoning