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高中英语外研版 (2019)选择性必修 第二册Unit 5 A delicate world精品ppt课件
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这是一份高中英语外研版 (2019)选择性必修 第二册Unit 5 A delicate world精品ppt课件，文件包含高中外研版英语新教材选修第2册Unit5第03讲UsinglanguageDevelopingideaspptx、Unit53UsinglanguageDevelopingideasdocx等2份课件配套教学资源，其中PPT共37页， 欢迎下载使用。
A delicate world
Unit 5
Period Three Using language & Developing ideas
基础自测 自主学习 落实基础知识
语篇理解 精读精练 萃取文本精华
互动探究 探究重点 互动撞击思维
达标检测 当堂检测 基础达标演练
内容索引
Ⅰ.Read the passage quickly and get the general idea of the passage.1.What’s the main idea of the passage?A.The beautiful scenery of Shennongjia.B.Rare animal and plant resources in Shennongjia.C.People’s efforts to protect Shennongjia.D.The reason why Shennongjia was onto the UNESCO World Heritage List.
√
语 篇 理 解
精读精练 萃取文本精华
2.Read the passage and match the main idea of each part.Part 1 (Paras.1－2) A.The summary of the speechPart 2 (Paras.3－5) B.Efforts of scientists and local people to protect ShennongjiaPart 3 (Paras.6－7) C.The reasons why Shennongjia was added to the UNESCO World Heritage ListPart 4 (Paras.8－9) D.Introduction to the topic of the speech
Ⅱ.Read the passage carefully and choose the best answer.1.In order to be onto the UNESCO World Heritage List，how many criteria should be met?A.Four. B.Three. C.Two. D.One.
√
2.Why is Shennongjia one of the most “complete” natural areas in the world?A.The region rises from about 400 meters to over 3,000 meters above sea level.B.The region has a great variation in climatic conditions.C.There are a wide variety of species to thrive in this region.D.All above.
√
3.Which of the following sentences is WRONG?A.Shennongjia is named after the legendary father of Chinese herbal medicine， Shennong.B.Before the 1980s，the number of the Golden Snub-nosed Monkeys is below 700.C.The fact that the bees of Shennongjia have coexisted with the local people shows that people live in harmony with nature.D.The wild animals in Shennongjia live naturally without human care.
√
4.What does “this” refer to in Para.5?A.Over 3,000 plant species found in Shennongjia.B.4,300 insect species recorded in Shennongjia.C.All the creatures in Shennongjia.D.More than 600 vertebrate species.
√
返 回
1. n.养分，营养物2. n.一段时间3. n.地位，身份4. adj.巨大的；广大的5. n.化石6. adv.在别处；去别处7. n.比较 → v.比较
Ⅰ.重点单词
基 础 自 测
自主学习 落实基础知识
nutrient
session
status
vast
fossil
elsewhere
comparison
compare
8. adj.视觉的 → n.视力；念头 → adj.看得见的9. adj.神秘的 → n.奥秘；神秘10. n.标准，准则 → n.(复数)标准；准则11. adj.稀有的，罕见的 → adv.罕有；很少；不常
visual
vision
visible
mysterious
mystery
criterion
criteria
rare
rarely
12. adj.生物的，与生物有关的 → n.生物学13. adv.据说；看来，似乎 → adj.显而易见的14. n.差异；变化 → adj.可变的；易变的15. adj.濒临灭绝的 → v.危及；使……处于危险
biological
biology
apparently
apparent
variation
variable
endangered
endanger
16. n.涌入 → v.侵犯 → n.侵略者17. adj.稳固的，安全的 → n.安全18. n.问候，招呼 → v.欢迎；打招呼
invasion
invade
invader
secure
security
greeting
greet
掌握规律 巧记单词(1)变on为a构成复数的名词：criterion→criteria标准；准则phenomenon→phenomena现象(2)变um为a构成复数：bacterium→bacteria细菌datum→data数据medium→media媒介curriculum→curricula课程
1. 代表2. 把……变成……3. 依靠4. 以……为食；用……喂养5. 分解；出故障6. 存在7. 为……负责8. 多亏；由于9. 作为回报10. 因……而出名
Ⅱ.核心短语
on behalf of
transform...into...
rely on
feed on
break down
in existence
be responsible for
thanks to
in return
be known for
1.it作形式主语 here on behalf of the Be at One with Nature Association.我很高兴在这里代表“与自然共存协会”作讲座。2.过去分词作后置定语UNESCO awarded Shennongjia this status because it meets two criteria __________________.联合国教科文组织授予神农架这一地位，是因为它符合名单要求的两个标准。
Ⅲ.经典句式
It is my great pleasure to give a lecture
required by the list
3.where引导定语从句It is also one of the rare locations in the world ___________________________________________________________________ that occur as the plants and animals develop and evolve.它也是世界上罕见的地方之一，科学家可以在那里实时观察植物和动物进化过程中发生的生态和生物过程。4.what引导主语从句 is that it is produced by the earliest species of Chinese bee.蜂蜜的特殊之处在于它是由中国最早的蜜蜂酿造的。
where scientists can observe
in real time the ecological and biological processes
What is special about the honey
5.状语从句的省略 elsewhere in China due to the invasion of foreign species，the bees of Shennongjia have coexisted with the local people for centuries.尽管由于外来物种的入侵，神农架的蜜蜂在中国的其他地方濒临灭绝，但神农架的蜜蜂已经与当地人共存了几个世纪。
返 回
Although endangered
Decomposers break down dead animal and vegetable matter into nutrients.分解者把死去的动植物分解成营养物质。
1
互 动 探 究
探究重点 互动撞击思维
重点词汇
break down (机器或车辆)出故障，抛锚，损坏；(讨论、关系或系统)失败，破裂，失灵；分解；感情失控(痛哭起来)；(身体)垮掉；捣毁；拆除；消除，破除(障碍或偏见)break away (from) 挣脱，脱离break in破门而入；打断(谈话等)break into闯入；突然……起来(后接 tears，laughter等)break out (战争)爆发；(火灾)发生break through突围；突破；冲垮；克服break up拆开，结束；解散
[一词多义] 写出下列句子中break down的汉语意思(1)The car must break down just when I was about to depart. ____________(2)The talks with the business leaders about finance broke down last night.______(3)Because he was so kind and considerate to me，I broke down and cried.__________(4)Women’s sports are breaking down the barriers in previously male-dominated fields. ____(5)Lead does not break down in the body，but builds up in it. ____
出故障，抛锚
失败
失控痛哭
破除
分解
[根据句意用break短语的正确形式填空](6)It was wrong of the journalist to the masses.(7)The thief and destroyed the evidence last night.(8)They had escaped to America shortly before the tragic war in 1939.
break away from
broke in
broke out
Data，examples and comparisons are then used to support the main ideas.然后使用数据、示例和比较来支持主要观点。
2
comparison n.比较※in comparison with/to与……相比by comparison相比之下※compare v.& n.比较；对比compare...to把……比作/喻为compare...with与……相比compared with/to和……比起来beyond compare无与伦比
(1)By comparison，this set of costume is low in price.相比之下，这套戏服价格低。(2)The specialist compared the copy the original，but there was not much difference.专家比较了复印件和原件，但是差别不是很大。(3)The teacher constantly compares poets birds.老师常常把诗人比作小鸟。(4)Her performance at yesterday’s concert was compare.她在昨天音乐会中的表演精彩绝伦。(5) comparison with other students，Mike is more mature.→ other students，Mike is more mature.和其他学生相比，迈克更加成熟一些。
with
to
beyond
In
Compared with/to
It is my great pleasure to give a lecture here on behalf of the Be at One with Nature Association.我很高兴在这里代表“与自然共存协会”作讲座。
3
on behalf of (＝on one’s behalf) 代表represent v.代表；象征；描绘stand for代表；象征
(1)The educator can’t be here today，so I’m going to speak on behalf of him/on his behalf.今天教育专家不能到这里来，所以我将代表他发言。(2)In the Western countries，“V” often victory.在西方国家，“V”通常代表胜利。(3)Representing my government I have the honour to submit the following statistics to you.→ my government I have the honour to submit the following statistics to you.我荣幸地代表我国政府向你提交如下统计数据。
stands for
On behalf of
It is also one of the rare locations in the world where scientists can observe in real time the ecological and biological processes that occur as the plants and animals develop and evolve.它也是世界上罕见的地方之一，科学家可以在那里实时观察植物和动物进化过程中发生的生态和生物过程。
4
rare adj.稀有的；罕见的※It is rare for sb. to do...某人做……是罕见的。※rarely adv.很少；难得；极好地
(1)Occasions are quite rare when I have the time to handle household tasks.我很少有机会来处理家务事。(2) up in a crowd.她难得在众人面前讲话。(3)We (rare) think of how it all affects the environment and mankind.我们很少考虑它对环境和人类的影响。温馨提示 rarely作状语置于句首时，句子往往采用部分倒装结构。Rarely do we see them nowadays.现在我们很少看见他们。
It is rare for her to speak
rarely
By providing the bees with a secure home，the villagers collect their honey in return.通过给蜜蜂提供一个安全的家，村民们收集蜂蜜作为回报。
5
secure adj.稳固的；可靠的；安全的 v.保护；保卫※secure...against/from...保护……使免于……※security n.安全；保证；证券；抵押品
(1)We shall make sure these endangered species are as secure as possible.我们应该确保这些濒危物种尽量安全。(2)Some measures are needed to secure the necessities _______________terrorists.需要采取措施保护这些必需品不被恐怖分子抢劫。(3)If an alarm gives you that feeling of (secure)，then it’s worth carrying.如果带着闹钟让你感到心里踏实，那就值得携带。
from/against
security
Although endangered elsewhere in China due to the invasion of foreign species，the bees of Shennongjia have coexisted with the local people for centuries.尽管由于外来物种的入侵，神农架的蜜蜂在中国的其他地方濒临灭绝，但神农架的蜜蜂已经与当地人共存了几个世纪。
状语从句的省略：如果状语从句的主语和主句的主语一致或从句主语为it ，而且从句谓语中有be动词的某种形式，可以将状语从句的主语连同be动词一起省略。
经典句式
(1)When (you are) in doubt，ask the moderator himself.有疑问时，询问主持人本人。(2)Once (disturb) by the noise，the elderly won’t have a sound sleep the whole night.一旦被吵闹声惊醒，老年人会整夜都睡不着觉。(3)While (discuss) the plan，they found it suitable for the place.在讨论这个计划时，他们发现它在该地是适合的。
disturbed
discussing
(4)The broken tablet may cause big trouble unless (repair) at once.坏了的平板电脑如果不马上修理，可能会引起大麻烦。(5)If ( ) possible，we’ll build another clinic in this area.如果可能，我们要在这个地区再建一个诊所。
repaired
it
is
返 回
Ⅰ.单句语法填空1.If you go on working like that，you will break sooner or later.2.What we need now is the (secure) of drinking water in habitats.3. (rare) does the teacher emphasise the importance of grammar at class.4. (compare) with the size of the whole earth，the highest mountain doesn’t seem high at all.5.While (serve) as a volunteer at the Olympics，she made friends with the famous golf player.
down
security
Rarely
Compared
serving
Ⅱ.完成句子6. ，I’m not going to participate in this investment.即使受到邀请，我也不去参加这项投资。7. greetings from her brother recently.近来她很少收到她兄弟的问候。8.I’m writing to express their thanks for your comics.我代表我的孩子写信，表达他们对你送的漫画的感谢。
Even if/though invited
Very rarely has she received
on behalf of my children
9.There will be a war .如果两国和谈破裂，就会爆发战争。10.I and found I had made a mistake.我把自己的答案与老师的进行对比，发现我犯了一个错误。
if the peace talks between the two countries break down
compared my answers with the teacher’s
Ⅲ.选词填空下面的短文是P56－57的课文改写，请从下表中选择合适的词汇并用其适当的形式完成此文。be regarded as，thrive，altitude，heritage，apparent
In 2016，Shennongjia made it onto the UNESCO World 11.____________List.That is because it meets two criteria required by the list.Shennongjia is 12. one of the most “complete” natural areas in the world.Its vast range in 13. results in a great variation in climatic conditions，allowing a wide variety of species 14. .Some of the plants and animals have survived millions of years，and 15. living fossils.In addition，Shennongjia has incredible biodiversity.Over 3,000 plant species，more than 600 vertebrate species and around 4,300 insect species have been recorded.
返 回
Heritage
apparently
altitude
to thrive
are regarded as
A delicate world
Unit 5
Period Three Using language & Developing ideas
基础自测 自主学习 落实基础知识
语篇理解 精读精练 萃取文本精华
互动探究 探究重点 互动撞击思维
达标检测 当堂检测 基础达标演练
内容索引
Ⅰ.Read the passage quickly and get the general idea of the passage.1.What’s the main idea of the passage?A.The beautiful scenery of Shennongjia.B.Rare animal and plant resources in Shennongjia.C.People’s efforts to protect Shennongjia.D.The reason why Shennongjia was onto the UNESCO World Heritage List.
√
语 篇 理 解
精读精练 萃取文本精华
2.Read the passage and match the main idea of each part.Part 1 (Paras.1－2) A.The summary of the speechPart 2 (Paras.3－5) B.Efforts of scientists and local people to protect ShennongjiaPart 3 (Paras.6－7) C.The reasons why Shennongjia was added to the UNESCO World Heritage ListPart 4 (Paras.8－9) D.Introduction to the topic of the speech
Ⅱ.Read the passage carefully and choose the best answer.1.In order to be onto the UNESCO World Heritage List，how many criteria should be met?A.Four. B.Three. C.Two. D.One.
√
2.Why is Shennongjia one of the most “complete” natural areas in the world?A.The region rises from about 400 meters to over 3,000 meters above sea level.B.The region has a great variation in climatic conditions.C.There are a wide variety of species to thrive in this region.D.All above.
√
3.Which of the following sentences is WRONG?A.Shennongjia is named after the legendary father of Chinese herbal medicine， Shennong.B.Before the 1980s，the number of the Golden Snub-nosed Monkeys is below 700.C.The fact that the bees of Shennongjia have coexisted with the local people shows that people live in harmony with nature.D.The wild animals in Shennongjia live naturally without human care.
√
4.What does “this” refer to in Para.5?A.Over 3,000 plant species found in Shennongjia.B.4,300 insect species recorded in Shennongjia.C.All the creatures in Shennongjia.D.More than 600 vertebrate species.
√
返 回
1. n.养分，营养物2. n.一段时间3. n.地位，身份4. adj.巨大的；广大的5. n.化石6. adv.在别处；去别处7. n.比较 → v.比较
Ⅰ.重点单词
基 础 自 测
自主学习 落实基础知识
nutrient
session
status
vast
fossil
elsewhere
comparison
compare
8. adj.视觉的 → n.视力；念头 → adj.看得见的9. adj.神秘的 → n.奥秘；神秘10. n.标准，准则 → n.(复数)标准；准则11. adj.稀有的，罕见的 → adv.罕有；很少；不常
visual
vision
visible
mysterious
mystery
criterion
criteria
rare
rarely
12. adj.生物的，与生物有关的 → n.生物学13. adv.据说；看来，似乎 → adj.显而易见的14. n.差异；变化 → adj.可变的；易变的15. adj.濒临灭绝的 → v.危及；使……处于危险
biological
biology
apparently
apparent
variation
variable
endangered
endanger
16. n.涌入 → v.侵犯 → n.侵略者17. adj.稳固的，安全的 → n.安全18. n.问候，招呼 → v.欢迎；打招呼
invasion
invade
invader
secure
security
greeting
greet
掌握规律 巧记单词(1)变on为a构成复数的名词：criterion→criteria标准；准则phenomenon→phenomena现象(2)变um为a构成复数：bacterium→bacteria细菌datum→data数据medium→media媒介curriculum→curricula课程
1. 代表2. 把……变成……3. 依靠4. 以……为食；用……喂养5. 分解；出故障6. 存在7. 为……负责8. 多亏；由于9. 作为回报10. 因……而出名
Ⅱ.核心短语
on behalf of
transform...into...
rely on
feed on
break down
in existence
be responsible for
thanks to
in return
be known for
1.it作形式主语 here on behalf of the Be at One with Nature Association.我很高兴在这里代表“与自然共存协会”作讲座。2.过去分词作后置定语UNESCO awarded Shennongjia this status because it meets two criteria __________________.联合国教科文组织授予神农架这一地位，是因为它符合名单要求的两个标准。
Ⅲ.经典句式
It is my great pleasure to give a lecture
required by the list
3.where引导定语从句It is also one of the rare locations in the world ___________________________________________________________________ that occur as the plants and animals develop and evolve.它也是世界上罕见的地方之一，科学家可以在那里实时观察植物和动物进化过程中发生的生态和生物过程。4.what引导主语从句 is that it is produced by the earliest species of Chinese bee.蜂蜜的特殊之处在于它是由中国最早的蜜蜂酿造的。
where scientists can observe
in real time the ecological and biological processes
What is special about the honey
5.状语从句的省略 elsewhere in China due to the invasion of foreign species，the bees of Shennongjia have coexisted with the local people for centuries.尽管由于外来物种的入侵，神农架的蜜蜂在中国的其他地方濒临灭绝，但神农架的蜜蜂已经与当地人共存了几个世纪。
返 回
Although endangered
Decomposers break down dead animal and vegetable matter into nutrients.分解者把死去的动植物分解成营养物质。
1
互 动 探 究
探究重点 互动撞击思维
重点词汇
break down (机器或车辆)出故障，抛锚，损坏；(讨论、关系或系统)失败，破裂，失灵；分解；感情失控(痛哭起来)；(身体)垮掉；捣毁；拆除；消除，破除(障碍或偏见)break away (from) 挣脱，脱离break in破门而入；打断(谈话等)break into闯入；突然……起来(后接 tears，laughter等)break out (战争)爆发；(火灾)发生break through突围；突破；冲垮；克服break up拆开，结束；解散
[一词多义] 写出下列句子中break down的汉语意思(1)The car must break down just when I was about to depart. ____________(2)The talks with the business leaders about finance broke down last night.______(3)Because he was so kind and considerate to me，I broke down and cried.__________(4)Women’s sports are breaking down the barriers in previously male-dominated fields. ____(5)Lead does not break down in the body，but builds up in it. ____
出故障，抛锚
失败
失控痛哭
破除
分解
[根据句意用break短语的正确形式填空](6)It was wrong of the journalist to the masses.(7)The thief and destroyed the evidence last night.(8)They had escaped to America shortly before the tragic war in 1939.
break away from
broke in
broke out
Data，examples and comparisons are then used to support the main ideas.然后使用数据、示例和比较来支持主要观点。
2
comparison n.比较※in comparison with/to与……相比by comparison相比之下※compare v.& n.比较；对比compare...to把……比作/喻为compare...with与……相比compared with/to和……比起来beyond compare无与伦比
(1)By comparison，this set of costume is low in price.相比之下，这套戏服价格低。(2)The specialist compared the copy the original，but there was not much difference.专家比较了复印件和原件，但是差别不是很大。(3)The teacher constantly compares poets birds.老师常常把诗人比作小鸟。(4)Her performance at yesterday’s concert was compare.她在昨天音乐会中的表演精彩绝伦。(5) comparison with other students，Mike is more mature.→ other students，Mike is more mature.和其他学生相比，迈克更加成熟一些。
with
to
beyond
In
Compared with/to
It is my great pleasure to give a lecture here on behalf of the Be at One with Nature Association.我很高兴在这里代表“与自然共存协会”作讲座。
3
on behalf of (＝on one’s behalf) 代表represent v.代表；象征；描绘stand for代表；象征
(1)The educator can’t be here today，so I’m going to speak on behalf of him/on his behalf.今天教育专家不能到这里来，所以我将代表他发言。(2)In the Western countries，“V” often victory.在西方国家，“V”通常代表胜利。(3)Representing my government I have the honour to submit the following statistics to you.→ my government I have the honour to submit the following statistics to you.我荣幸地代表我国政府向你提交如下统计数据。
stands for
On behalf of
It is also one of the rare locations in the world where scientists can observe in real time the ecological and biological processes that occur as the plants and animals develop and evolve.它也是世界上罕见的地方之一，科学家可以在那里实时观察植物和动物进化过程中发生的生态和生物过程。
4
rare adj.稀有的；罕见的※It is rare for sb. to do...某人做……是罕见的。※rarely adv.很少；难得；极好地
(1)Occasions are quite rare when I have the time to handle household tasks.我很少有机会来处理家务事。(2) up in a crowd.她难得在众人面前讲话。(3)We (rare) think of how it all affects the environment and mankind.我们很少考虑它对环境和人类的影响。温馨提示 rarely作状语置于句首时，句子往往采用部分倒装结构。Rarely do we see them nowadays.现在我们很少看见他们。
It is rare for her to speak
rarely
By providing the bees with a secure home，the villagers collect their honey in return.通过给蜜蜂提供一个安全的家，村民们收集蜂蜜作为回报。
5
secure adj.稳固的；可靠的；安全的 v.保护；保卫※secure...against/from...保护……使免于……※security n.安全；保证；证券；抵押品
(1)We shall make sure these endangered species are as secure as possible.我们应该确保这些濒危物种尽量安全。(2)Some measures are needed to secure the necessities _______________terrorists.需要采取措施保护这些必需品不被恐怖分子抢劫。(3)If an alarm gives you that feeling of (secure)，then it’s worth carrying.如果带着闹钟让你感到心里踏实，那就值得携带。
from/against
security
Although endangered elsewhere in China due to the invasion of foreign species，the bees of Shennongjia have coexisted with the local people for centuries.尽管由于外来物种的入侵，神农架的蜜蜂在中国的其他地方濒临灭绝，但神农架的蜜蜂已经与当地人共存了几个世纪。
状语从句的省略：如果状语从句的主语和主句的主语一致或从句主语为it ，而且从句谓语中有be动词的某种形式，可以将状语从句的主语连同be动词一起省略。
经典句式
(1)When (you are) in doubt，ask the moderator himself.有疑问时，询问主持人本人。(2)Once (disturb) by the noise，the elderly won’t have a sound sleep the whole night.一旦被吵闹声惊醒，老年人会整夜都睡不着觉。(3)While (discuss) the plan，they found it suitable for the place.在讨论这个计划时，他们发现它在该地是适合的。
disturbed
discussing
(4)The broken tablet may cause big trouble unless (repair) at once.坏了的平板电脑如果不马上修理，可能会引起大麻烦。(5)If ( ) possible，we’ll build another clinic in this area.如果可能，我们要在这个地区再建一个诊所。
repaired
it
is
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Ⅰ.单句语法填空1.If you go on working like that，you will break sooner or later.2.What we need now is the (secure) of drinking water in habitats.3. (rare) does the teacher emphasise the importance of grammar at class.4. (compare) with the size of the whole earth，the highest mountain doesn’t seem high at all.5.While (serve) as a volunteer at the Olympics，she made friends with the famous golf player.
down
security
Rarely
Compared
serving
Ⅱ.完成句子6. ，I’m not going to participate in this investment.即使受到邀请，我也不去参加这项投资。7. greetings from her brother recently.近来她很少收到她兄弟的问候。8.I’m writing to express their thanks for your comics.我代表我的孩子写信，表达他们对你送的漫画的感谢。
Even if/though invited
Very rarely has she received
on behalf of my children
9.There will be a war .如果两国和谈破裂，就会爆发战争。10.I and found I had made a mistake.我把自己的答案与老师的进行对比，发现我犯了一个错误。
if the peace talks between the two countries break down
compared my answers with the teacher’s
Ⅲ.选词填空下面的短文是P56－57的课文改写，请从下表中选择合适的词汇并用其适当的形式完成此文。be regarded as，thrive，altitude，heritage，apparent
In 2016，Shennongjia made it onto the UNESCO World 11.____________List.That is because it meets two criteria required by the list.Shennongjia is 12. one of the most “complete” natural areas in the world.Its vast range in 13. results in a great variation in climatic conditions，allowing a wide variety of species 14. .Some of the plants and animals have survived millions of years，and 15. living fossils.In addition，Shennongjia has incredible biodiversity.Over 3,000 plant species，more than 600 vertebrate species and around 4,300 insect species have been recorded.
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Heritage
apparently
altitude
to thrive
are regarded as
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