外研版（2019） 选择性必修第四册 Unit 5 Into the Unknown Developing ideas Reading 2 课件（32张）
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| 名称 | 外研版（2019） 选择性必修第四册 Unit 5 Into the Unknown Developing ideas Reading 2 课件（32张） |  | |
| 格式 | zip | ||
| 文件大小 | 736.5KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-08-03 10:18:42 | ||
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(共32张PPT)
Developing ideas——reading
Unit 5 Into the unknown
目录
contents
Pre-reading
I
Language points
Ⅳ
Fast reading
II
Homework
Ⅴ
Intensive reading
III
Post-reading
Ⅵ
Ⅳ
Post-reading
Post-reading
Work in groups. Give a talk about the influences of ocean exploration on your daily life.
Post-reading
1. Look at the diagram below and brainstorm examples of how ocean exploration affects your daily life.
Influences of ocean exploration
Cultural exchange
Food and natural resources
Trade and economy
Transport and travel
Environment and conservation
Post-reading
3. Give your talk to the class.
Now think about how well you contributed to the group work and what you could do to improve.
Language points
V
1. equivalent adj. 相等的，相同的
Language points
Eight kilometres is roughly equivalent to five miles.
八公里约等于五英里。
250 grams or an equivalent amount in ounces.
250克或与之等量的盎司
equivalent n. 相等的东西；等量；对应词
Breathing such polluted air is the equivalent of (= has the same effect as) smoking ten cigarettes a day.
呼吸污染这么严重的空气等于每天抽十支烟。
to stack boxes 把箱子摞起来
2. stack v. （使）放成整齐的一叠（或一摞、一堆）
Language points
logs stacked up against a wall 靠墙码放着的木头
stack n. 一叠，一摞，一堆
They were busy stacking the shelves with goods.
他们正忙着摆货物上架呢。
a stack of books 一摞书
I’ve got stacks of work to do. 我有一大堆活儿要做。
a notable success / achievement / example
显著的成功 / 成就；明显的事例
3. notable adj. 值得注意的；显著的；重要的
Language points
His eyes are his most notable feature.
他的双眼是他最明显的特征。
The town is notable for its ancient harbour.
这座小镇因其古老的港口而出名。
With a few notable exceptions, everyone gave something. 人人都给了些东西，只有几个人例外，很是显眼。
a chemical / radioactive, etc. substance
化学、放射性等物质
4. substance n. ①物质；物品；东西
Language points
banned / illegal substances (= drugs) 禁用 / 非法物品
②事实基础；根据
It was malicious gossip, completely without substance.
这是恶意造谣，完全没有事实根据。
The commission’s report gives substance to these allegations. 委员会的报告为这些说法提供了事实根据。
1. set sail ___________________
2. lead to ___________________
3. as with ___________________
4. off the coast of ___________________
5. at the rate of ___________________
起航；扬帆
导致；通向
正如；与……一样
按……的速度
Language points
离……海岸不远的地方
6. be equivalent to ___________________
7. at depths of ___________________
8. hold the record ___________________
9. beyond the reach of ____________________
10. final frontier ____________________
保持纪录
超出……能力之
Language points
等（同）于；相等
最后（被探索）的疆域
在……的深度
1. Lying under waters across the globe are an estimated three million shipwrecks.
Language points
Paraphrase: It is believed that around three million shipwrecks are lying under waters across the globe.
本句为倒装结构，句中的 Lying under waters across the globe 放在句首表示强调。课文中还有类似的句子。例如：
Language points
Para 1
1) Among these is the Esmeralda, the earliest wreck from the age of the European exploration of Asia.
Para 3
2) Swimming through these black depths is the barreleye, a strange fish with eyes that can look upwards through its transparent forehead.
2. Given our limited knowledge, it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various scientific fields.
Language points
Paraphrase: Our knowledge of the oceans is limited, so it is perhaps not surprising that exploration of them continues to lead to discoveries in various scientific fields.
Language points
本句中的 Given 表示“考虑到”的意思。例如：
Given his age (= Considering how old he is), he’s remarkably active.
考虑到他的年龄，他已是相当活跃的了。
2. Given our limited knowledge, it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various scientific fields.
2. Given our limited knowledge, it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various scientific fields.
Language points
Usually, I am sensible with money, as I have to be, given
that I don’t earn that much. 我花钱通常是很明智的。考虑到自己挣得不多，必须这样做。
Given her interest in children, teaching seems the right job for her. 考虑到她喜欢孩子，教书看来是很适合她的工作。
Language points
It is difficult for such a little child to finish the task alone.
it 为形式主语，真正的主语为 that exploration of the oceans continues to lead to discoveries in various scientific fields。为了避免句子头重脚轻，故用 it 作形式主语，这种用法在英语中很常见。例如：
It is not clear whether he will come or not.
2. Given our limited knowledge, it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various scientific fields.
3. In these waters, more than 200 metres deep, where light cannot reach, are extraordinary creatures that appear as if they are straight out of science fiction.
Language points
Paraphrase: Extraordinary creatures that look as though they are something directly out of science fiction live in these waters with a depth of more than 200 metres, which are so deep that light cannot reach them.
3. In these waters, more than 200 metres deep, where light cannot reach, are extraordinary creatures that appear as if they are straight out of science fiction.
Language points
本句为一个复合句，其中包含了两个定语从句，分别是：非限制性定语从句 where light cannot reach，修饰先行词 waters；限制性定语从句 that appear as if they are straight out of science fiction，修饰先行词 creatures。
4. The Jiaolong even holds the record for the deepest dive by a manned submarine, at 7,062 metres, giving China its place alongside the world’s top ocean explorers.
Language points
Paraphrase: The Jiaolong is the manned submarine to have dived to a record depth of 7,062 metres. Because of this, China is considered one of the best ocean explorers in the world.
本句中 hold the record 表示 “保持纪录”。
4. The Jiaolong even holds the record for the deepest dive by a manned submarine, at 7,062 metres, giving China its place alongside the world’s top ocean explorers.
Language points
句中 alongside 是介词，表示“与……同等重要”。
例如： When he dies he will take his place alongside Dickens as one of the truly great writers of his time.
他死后会成为他那个时代真正的伟大作家之一，与狄更斯齐名。
5. Being a tough environment of complete darkness, enormous pressure and intense cold, the ocean depths have long been beyond the reach of human exploration.
Language points
Paraphrase: The ocean depths have long been beyond the reach of human exploration because they are a tough environment of complete darkness, enormous pressure and intense cold.
5. Being a tough environment of complete darkness, enormous pressure and intense cold, the ocean depths have long been beyond the reach of human exploration.
Language points
The shot was well beyond the reach of the goalkeeper.
这次射门使守门员鞭长莫及。
本句中 Being a tough environment of … 作为现在分词短语置于句首，表示 the ocean depths 的状态。
本句中的 beyond the reach of … 表示“超过……能力之外；无法达到”。例如：
Language points
Ⅳ
Language points
依旧不详
Important expressions and sentences:
1. remain unknown
Some parts of Shakespeare’s life will always remain unknown.
莎士比亚一生中的某些部分永远不会为人所知。
Some details remain unknown.
也有一些细节目前仍不明了。
Language points
Important expressions and sentences:
把……归因于
2. put … down to …
You may be a skeptic and put it down to life’s inequalities. 你可能是个怀疑论者，并将其归因于生活的种种不平等。
For many, a successful marriage can be put down to
attraction, devotion, patience - and true love.
对于很多人来说，成功的婚姻可以归因于吸引力、
奉献、耐心以及真爱。
Language points
Important expressions and sentences:
3. Far below the surface of the North Atlantic Ocean, in
a roughly triangular area known as the Bermuda Triangle, lie more than 50 shipwrecks and 20 plane wrecks.
本句是一个完全倒装句。 Far below the surface of the North Atlantic Ocean 位于句首，全倒装，more than 50 shipwrecks and 20 plane wrecks 为主语。
Homework
VI
thank you
V
Developing ideas——reading
Unit 5 Into the unknown
目录
contents
Pre-reading
I
Language points
Ⅳ
Fast reading
II
Homework
Ⅴ
Intensive reading
III
Post-reading
Ⅵ
Ⅳ
Post-reading
Post-reading
Work in groups. Give a talk about the influences of ocean exploration on your daily life.
Post-reading
1. Look at the diagram below and brainstorm examples of how ocean exploration affects your daily life.
Influences of ocean exploration
Cultural exchange
Food and natural resources
Trade and economy
Transport and travel
Environment and conservation
Post-reading
3. Give your talk to the class.
Now think about how well you contributed to the group work and what you could do to improve.
Language points
V
1. equivalent adj. 相等的，相同的
Language points
Eight kilometres is roughly equivalent to five miles.
八公里约等于五英里。
250 grams or an equivalent amount in ounces.
250克或与之等量的盎司
equivalent n. 相等的东西；等量；对应词
Breathing such polluted air is the equivalent of (= has the same effect as) smoking ten cigarettes a day.
呼吸污染这么严重的空气等于每天抽十支烟。
to stack boxes 把箱子摞起来
2. stack v. （使）放成整齐的一叠（或一摞、一堆）
Language points
logs stacked up against a wall 靠墙码放着的木头
stack n. 一叠，一摞，一堆
They were busy stacking the shelves with goods.
他们正忙着摆货物上架呢。
a stack of books 一摞书
I’ve got stacks of work to do. 我有一大堆活儿要做。
a notable success / achievement / example
显著的成功 / 成就；明显的事例
3. notable adj. 值得注意的；显著的；重要的
Language points
His eyes are his most notable feature.
他的双眼是他最明显的特征。
The town is notable for its ancient harbour.
这座小镇因其古老的港口而出名。
With a few notable exceptions, everyone gave something. 人人都给了些东西，只有几个人例外，很是显眼。
a chemical / radioactive, etc. substance
化学、放射性等物质
4. substance n. ①物质；物品；东西
Language points
banned / illegal substances (= drugs) 禁用 / 非法物品
②事实基础；根据
It was malicious gossip, completely without substance.
这是恶意造谣，完全没有事实根据。
The commission’s report gives substance to these allegations. 委员会的报告为这些说法提供了事实根据。
1. set sail ___________________
2. lead to ___________________
3. as with ___________________
4. off the coast of ___________________
5. at the rate of ___________________
起航；扬帆
导致；通向
正如；与……一样
按……的速度
Language points
离……海岸不远的地方
6. be equivalent to ___________________
7. at depths of ___________________
8. hold the record ___________________
9. beyond the reach of ____________________
10. final frontier ____________________
保持纪录
超出……能力之
Language points
等（同）于；相等
最后（被探索）的疆域
在……的深度
1. Lying under waters across the globe are an estimated three million shipwrecks.
Language points
Paraphrase: It is believed that around three million shipwrecks are lying under waters across the globe.
本句为倒装结构，句中的 Lying under waters across the globe 放在句首表示强调。课文中还有类似的句子。例如：
Language points
Para 1
1) Among these is the Esmeralda, the earliest wreck from the age of the European exploration of Asia.
Para 3
2) Swimming through these black depths is the barreleye, a strange fish with eyes that can look upwards through its transparent forehead.
2. Given our limited knowledge, it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various scientific fields.
Language points
Paraphrase: Our knowledge of the oceans is limited, so it is perhaps not surprising that exploration of them continues to lead to discoveries in various scientific fields.
Language points
本句中的 Given 表示“考虑到”的意思。例如：
Given his age (= Considering how old he is), he’s remarkably active.
考虑到他的年龄，他已是相当活跃的了。
2. Given our limited knowledge, it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various scientific fields.
2. Given our limited knowledge, it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various scientific fields.
Language points
Usually, I am sensible with money, as I have to be, given
that I don’t earn that much. 我花钱通常是很明智的。考虑到自己挣得不多，必须这样做。
Given her interest in children, teaching seems the right job for her. 考虑到她喜欢孩子，教书看来是很适合她的工作。
Language points
It is difficult for such a little child to finish the task alone.
it 为形式主语，真正的主语为 that exploration of the oceans continues to lead to discoveries in various scientific fields。为了避免句子头重脚轻，故用 it 作形式主语，这种用法在英语中很常见。例如：
It is not clear whether he will come or not.
2. Given our limited knowledge, it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various scientific fields.
3. In these waters, more than 200 metres deep, where light cannot reach, are extraordinary creatures that appear as if they are straight out of science fiction.
Language points
Paraphrase: Extraordinary creatures that look as though they are something directly out of science fiction live in these waters with a depth of more than 200 metres, which are so deep that light cannot reach them.
3. In these waters, more than 200 metres deep, where light cannot reach, are extraordinary creatures that appear as if they are straight out of science fiction.
Language points
本句为一个复合句，其中包含了两个定语从句，分别是：非限制性定语从句 where light cannot reach，修饰先行词 waters；限制性定语从句 that appear as if they are straight out of science fiction，修饰先行词 creatures。
4. The Jiaolong even holds the record for the deepest dive by a manned submarine, at 7,062 metres, giving China its place alongside the world’s top ocean explorers.
Language points
Paraphrase: The Jiaolong is the manned submarine to have dived to a record depth of 7,062 metres. Because of this, China is considered one of the best ocean explorers in the world.
本句中 hold the record 表示 “保持纪录”。
4. The Jiaolong even holds the record for the deepest dive by a manned submarine, at 7,062 metres, giving China its place alongside the world’s top ocean explorers.
Language points
句中 alongside 是介词，表示“与……同等重要”。
例如： When he dies he will take his place alongside Dickens as one of the truly great writers of his time.
他死后会成为他那个时代真正的伟大作家之一，与狄更斯齐名。
5. Being a tough environment of complete darkness, enormous pressure and intense cold, the ocean depths have long been beyond the reach of human exploration.
Language points
Paraphrase: The ocean depths have long been beyond the reach of human exploration because they are a tough environment of complete darkness, enormous pressure and intense cold.
5. Being a tough environment of complete darkness, enormous pressure and intense cold, the ocean depths have long been beyond the reach of human exploration.
Language points
The shot was well beyond the reach of the goalkeeper.
这次射门使守门员鞭长莫及。
本句中 Being a tough environment of … 作为现在分词短语置于句首，表示 the ocean depths 的状态。
本句中的 beyond the reach of … 表示“超过……能力之外；无法达到”。例如：
Language points
Ⅳ
Language points
依旧不详
Important expressions and sentences:
1. remain unknown
Some parts of Shakespeare’s life will always remain unknown.
莎士比亚一生中的某些部分永远不会为人所知。
Some details remain unknown.
也有一些细节目前仍不明了。
Language points
Important expressions and sentences:
把……归因于
2. put … down to …
You may be a skeptic and put it down to life’s inequalities. 你可能是个怀疑论者，并将其归因于生活的种种不平等。
For many, a successful marriage can be put down to
attraction, devotion, patience - and true love.
对于很多人来说，成功的婚姻可以归因于吸引力、
奉献、耐心以及真爱。
Language points
Important expressions and sentences:
3. Far below the surface of the North Atlantic Ocean, in
a roughly triangular area known as the Bermuda Triangle, lie more than 50 shipwrecks and 20 plane wrecks.
本句是一个完全倒装句。 Far below the surface of the North Atlantic Ocean 位于句首，全倒装，more than 50 shipwrecks and 20 plane wrecks 为主语。
Homework
VI
thank you
V