人教新课标 选修七 Unit 3 Under the sea 知识点课件（42张）
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| 名称 | 人教新课标 选修七 Unit 3 Under the sea 知识点课件（42张） |  | |
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| 科目 | 英语 | ||
| 更新时间 | 2022-03-18 07:02:19 | ||
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(共42张PPT)
Book 7 Unit3
Words & Expressions
词形转换
PART
1
1._________ vi.逃避；逃跑→________________过去式，过去分词
2. _________ vt. 拖；拉；扯→________________过去式，现在分词
3._________ adj.深的→_________ n.深，深处→_________ v.加深，变深
6.______ vt.催促；极力主张；驱策→_________ adj.紧急的；急迫的
7. _________ vt.放弃；遗弃；抛弃→_________ adj.被遗弃的；放纵的
8. ____________ n．保存；保护→_________ v．保存→___________ adj.保守的；守旧的
7. __________ vi.受惊吓vt.恐吓→__________ adj.害怕的→__________adj.＝frightening吓人的，恐怖的
urge
urgent
abandon
abandoned
conservation
conserve
conservative
flee
fled/fled
drag
dragged/dragging
deep
depth
deepen
scare
scared
scary
PART
2
四个比较
annyally=yearly
drag=
conservation=
awesome 令人敬畏的；令人畏惧的
draw
pull
preservation
protection
conversation
awful 糟糕的；可怕的
reflect
一词多义
02
narrow
03
01
sharp
04
urge
一词多义
一词多义
一词多义
四个一词多义
urge
我们每天都需要去卫生间，那么“急需去卫生间”怎么表达呢？可借用urge的名词来帮忙：the urge to pee (尿急)。
【urge 语义网络】
驱赶
urge
基本义
驱赶动物等
驱赶某人做某事
极力把某事物驱赶给别人
驱策；驱赶
催促；力劝
大力推荐；极力主张
强烈的欲望；迫切的需要
程度递进
n
v
urge 句中学
1. I urged the elephant deeper into the forest.
2. They urged me to eat the strange food.
3. He urged that we (should) take such steps.
4. The situation is dangerous and the UN is urging caution.
驱赶
力劝；怂恿
力劝
极力主张
urge sb. to do sth.
n [C] 强烈的欲望；迫切的需要 (desire)：
reduce the urge to do sth / feel an urge to do sth
Having enough fat and salt in your meals will reduce the urge to snack between meals. 2017 全国
【词汇拓展】
urgent adj 急迫的；迫切的；紧急的：
in urgent / desperate need of money
Every minute of the day is filled with urgent matters.
我的笔记
urge: v.________________________________________
n.___________________
①驱策；驱赶
②催促；力劝
③大力推荐；极力主张
强烈的欲望；迫切的需要
reflect 语义网络
反射
reflect
基本义
反射具体的事物
反射影像
反射抽象事物
反射 (光、热、声等)
(镜子等) 映出
反思；回想；仔细考虑
在脑海中反射已发生的事情
反映
我的笔记
reflect: v.________________________________________
①反射
②映出
③反映
④反思，回想，仔细考虑
reflect v 句中学
1. Without the forest cover, these areas would reflect more heat into the atmosphere, warming the rest of the world.
2. Mid-Autumn celebrations reflect Chinese cultural traditions.
3. She was left to reflect on / upon the result of her wrong decision.
反射
反映
反思
提到 narrow 一词，大家最熟悉的莫过于“狭窄的”这层释义，而且相信大家可以很容易地举出一些含有该层释义的例子。
a narrow street
a narrow path
a narrow kitchen
a narrow shelf
narrow语义图
狭窄的
(宽度等) 狭窄的
(心胸、视野等) 狭隘的
勉强的；好不容易的
道路等“狭窄的”
看法“狭窄的”
比分、机会等“狭窄的”
(基本义)
1. As we set out, I was shocked at how narrow the path was.
2. narrow-minded
3. She has a very narrow view of the world.
4. a narrow victory
5. He had to narrow his eyes in the strong light of the sun.
6. The gorge narrows to 350 feet as the river rushes through the two-mile-high mountains. 外研④ – 5
narrow 句中学
narrowly adv 勉强地；差点儿 (没)：
The car narrowly missed a cyclist.
狭窄的
心胸狭隘的
狭隘的
险胜
眯眼
变窄
我的笔记
narrow: adj.____________________________________
v.___________________
narrowly:______________
①狭窄的
②狭隘的
③勉强的，好不容易的
（使）变窄
勉强地，差点（没）
英剧Downton Abbey《唐顿庄园》中的老伯爵夫人，略显固执但是足够睿智，在许多情节发展的关键时刻她都扮演着至关重要的角色。其台词内容犀利，表演出神入化，被剧迷们津津乐道。老伯爵夫人有一张利嘴， “利嘴”的英文是 a sharp tongue。
sharp
sharp语义图
尖的
锋利的；尖的
敏锐的；机灵的
尖刻的；严厉的
刺耳的
急剧的；明显的
剧烈的；猛烈的
刀具等“尖的”
头脑或感官“尖的”
言语“尖的”
声音“尖的”
变化“尖的”
(基本义)
sharp ■ adj 句中学
1. sharp teeth
2. a sharp bend
3. a sharp drop / increase in prices
4. She has sharp eyes.
5. a sharp child
6. sharp criticism
7. be sharp with sb
8. I felt a sharp pain in my back.
9. Through all the noise came a sharp warning cry. 重庆
锋利的；尖的
急剧的
急剧的
敏锐的
机灵的
严厉的
严格的
剧烈的
尖锐的
词汇拓展
■ adv 正 (指时刻)；整：
2 o’clock sharp
1. House prices have risen sharply over the last decade.
2. speak sharply to sb
3. sharpen a pencil
4. Debates sharpen one’s wits.
急剧地
斥责某人
削尖
使提高；使改进
五个重点词汇
1．witness vt.当场见到；目击；见证n.目击者；证人；证据
a witness to sth.某事的证人/证据
[基础练习]——单句语法填空/单句改错
①With economy developing at great speed，our city _____________ (witness) quite a few changes in recent years.
②His good health is a witness of the success of the treatment.
has witnessed
to
2．opposite prep.在……对面
[归纳拓展]
opposite adj.相对的；相反的
n．对立面；对立物
prep.在……对面
be opposite to...在……的对面；和……是相反的
[基础练习]——单句语法填空/单句改错
①As we all know, hot is opposite _____ cold.
②It’s easy to find—there’s a church just opposite to my house.
to
3．abandon vt.放弃；遗弃；抛弃n.放任；放纵
[归纳拓展]
(1)abandon one's hope/plan/idea放弃希望/计划/主意
abandon oneself to...沉溺于……，纵情于……
=be abandoned to
abandon doing sth.放弃做某事
(2)with abandon放纵地，放任地
(3)abandoned adj.被遗弃的；放纵的
[基础练习]——单句语法填空/单句改错
①They abandoned _________(carry) out the plan for lack of money.
②He owned a farm，which looked almost _________ (abandon)．
③They are dancing and singing in abandon. _________
carrying
abandoned
in→with
[能力提升]——句式升级(按要求升级句式)
As he abandoned himself to drinking，he got laid off.→
(分词短语作状语)
④____________________________, he got laid off.
⑤____________________________, he got laid off.
Abandoning himself to drinking
Abandoned to drinking
4．aware adj.意识到的；知道的
[归纳拓展]
(1)be/become aware of对……知道、明白；意识到……
be aware that...知道……；意识到……
make sb.aware that...提醒某人注意……
make sb.aware of...让某人注意到……
(2)unaware adj.未察觉的；不知道的
(3)awareness n．知道；意识
[能力提升]
① 学生形成珍视父母的爱的意识很重要。
It is important that students develop/form an awareneww of valuing parents’ love.
②我的老师试图提高学生的环保意识。
My teacher tried to raise students’ awareness of environmental protection.
5．scare vt.恐吓vi.受恐吓n.惊恐，惊慌
[归纳拓展]
be scared ______ sth.害怕去做某事
be scared ______sth./ doing sth.害怕做某事
(be) scared to _______吓死了
to do
of
death
be sentenced to death被判处死刑
PART
3
短语精析
1．hold up 举起；使耽搁；支撑
[归纳拓展]
hold on坚持；抓住；稍等(电话用语)
hold on to守住；不卖某物；抓紧；不放开
hold back踌躇；阻止；抑制（情感）hold back tears
hold out维持；抵抗；坚持
hold off推迟=put off /delay
hold up 举起；使耽搁；支撑
hold on坚持；抓住；稍等(电话用语)
hold on to守住；不卖某物；抓紧；不放开
hold back踌躇；阻止；抑制（情感）hold back tears
hold out维持；抵抗；坚持
hold off推迟=put off /delay
2．help (...) out帮助(某人)摆脱困境或危难
[归纳拓展]
can't help (to) do sth. 不能帮忙做某事
can't help doing sth. 禁不住做某事
can't help but do sth. 不得不做某事
[基础练习]——单句语法填空/单句改错
①He is always willing to help _______ when I am in trouble.
②Please help with me and give me some advice.
③Standing in the beautiful forest，he couldn't help but having a deep breath. ____________
out
having→have
can't help (to) do sth. 不能帮忙做某事
can't help doing sth. 禁不住做某事
can't help but do sth. 不得不做某事
PART
4
1．It was a time _____ the killer whaleshelped the whalers catch the baleen whales that were on their annual migration.
[基础练习]——单句语法填空
①It is high time that we __________________(take) some measures to deal with it.
②It is about ten years since the man ______(come) to China.
③It is the first time that the girl _________ (see) such an animal.
④It will be about three years before they _____ (come) back.
took/should take
came
has seen
come
[能力提升]——完成句子
⑤有一段时间我讨厌去上学。
____________________I hated going to school.
There was a time when
2．There were other creatures that I didn't want to get too close to—an eel with its strong sharp teeth，with only its head showing from a hole，watching for a tasty fish (or my tasty toe！) ...
[基础练习]——单句语法填空
①With everything he needed _______(buy)，he drove home.
②He fell asleep with the lamp ________(burn)．
③I can’t go out with all these clothes ________(wash)．
④ The girl sat under the tree with her attention ______
(pay) to a book./with her eyes _____(fix) on a book.
bought
burning
to wash
payed
fixed
3.
[基础练习]——单句语法填空
①She _______(be) absent，the meeting had to be put off.
②Her glasses _______ (break)，she couldn't see the words on the blackboard.
③So many people ____________ (help) us，we are sure to succeed.
being
broken
to help/helping
独立主格
n. v.
wide
long
strong
true
young
width
widen
length
lengthen
strength
strengthen
truth
youth
Thanks
Book 7 Unit3
Words & Expressions
词形转换
PART
1
1._________ vi.逃避；逃跑→________________过去式，过去分词
2. _________ vt. 拖；拉；扯→________________过去式，现在分词
3._________ adj.深的→_________ n.深，深处→_________ v.加深，变深
6.______ vt.催促；极力主张；驱策→_________ adj.紧急的；急迫的
7. _________ vt.放弃；遗弃；抛弃→_________ adj.被遗弃的；放纵的
8. ____________ n．保存；保护→_________ v．保存→___________ adj.保守的；守旧的
7. __________ vi.受惊吓vt.恐吓→__________ adj.害怕的→__________adj.＝frightening吓人的，恐怖的
urge
urgent
abandon
abandoned
conservation
conserve
conservative
flee
fled/fled
drag
dragged/dragging
deep
depth
deepen
scare
scared
scary
PART
2
四个比较
annyally=yearly
drag=
conservation=
awesome 令人敬畏的；令人畏惧的
draw
pull
preservation
protection
conversation
awful 糟糕的；可怕的
reflect
一词多义
02
narrow
03
01
sharp
04
urge
一词多义
一词多义
一词多义
四个一词多义
urge
我们每天都需要去卫生间，那么“急需去卫生间”怎么表达呢？可借用urge的名词来帮忙：the urge to pee (尿急)。
【urge 语义网络】
驱赶
urge
基本义
驱赶动物等
驱赶某人做某事
极力把某事物驱赶给别人
驱策；驱赶
催促；力劝
大力推荐；极力主张
强烈的欲望；迫切的需要
程度递进
n
v
urge 句中学
1. I urged the elephant deeper into the forest.
2. They urged me to eat the strange food.
3. He urged that we (should) take such steps.
4. The situation is dangerous and the UN is urging caution.
驱赶
力劝；怂恿
力劝
极力主张
urge sb. to do sth.
n [C] 强烈的欲望；迫切的需要 (desire)：
reduce the urge to do sth / feel an urge to do sth
Having enough fat and salt in your meals will reduce the urge to snack between meals. 2017 全国
【词汇拓展】
urgent adj 急迫的；迫切的；紧急的：
in urgent / desperate need of money
Every minute of the day is filled with urgent matters.
我的笔记
urge: v.________________________________________
n.___________________
①驱策；驱赶
②催促；力劝
③大力推荐；极力主张
强烈的欲望；迫切的需要
reflect 语义网络
反射
reflect
基本义
反射具体的事物
反射影像
反射抽象事物
反射 (光、热、声等)
(镜子等) 映出
反思；回想；仔细考虑
在脑海中反射已发生的事情
反映
我的笔记
reflect: v.________________________________________
①反射
②映出
③反映
④反思，回想，仔细考虑
reflect v 句中学
1. Without the forest cover, these areas would reflect more heat into the atmosphere, warming the rest of the world.
2. Mid-Autumn celebrations reflect Chinese cultural traditions.
3. She was left to reflect on / upon the result of her wrong decision.
反射
反映
反思
提到 narrow 一词，大家最熟悉的莫过于“狭窄的”这层释义，而且相信大家可以很容易地举出一些含有该层释义的例子。
a narrow street
a narrow path
a narrow kitchen
a narrow shelf
narrow语义图
狭窄的
(宽度等) 狭窄的
(心胸、视野等) 狭隘的
勉强的；好不容易的
道路等“狭窄的”
看法“狭窄的”
比分、机会等“狭窄的”
(基本义)
1. As we set out, I was shocked at how narrow the path was.
2. narrow-minded
3. She has a very narrow view of the world.
4. a narrow victory
5. He had to narrow his eyes in the strong light of the sun.
6. The gorge narrows to 350 feet as the river rushes through the two-mile-high mountains. 外研④ – 5
narrow 句中学
narrowly adv 勉强地；差点儿 (没)：
The car narrowly missed a cyclist.
狭窄的
心胸狭隘的
狭隘的
险胜
眯眼
变窄
我的笔记
narrow: adj.____________________________________
v.___________________
narrowly:______________
①狭窄的
②狭隘的
③勉强的，好不容易的
（使）变窄
勉强地，差点（没）
英剧Downton Abbey《唐顿庄园》中的老伯爵夫人，略显固执但是足够睿智，在许多情节发展的关键时刻她都扮演着至关重要的角色。其台词内容犀利，表演出神入化，被剧迷们津津乐道。老伯爵夫人有一张利嘴， “利嘴”的英文是 a sharp tongue。
sharp
sharp语义图
尖的
锋利的；尖的
敏锐的；机灵的
尖刻的；严厉的
刺耳的
急剧的；明显的
剧烈的；猛烈的
刀具等“尖的”
头脑或感官“尖的”
言语“尖的”
声音“尖的”
变化“尖的”
(基本义)
sharp ■ adj 句中学
1. sharp teeth
2. a sharp bend
3. a sharp drop / increase in prices
4. She has sharp eyes.
5. a sharp child
6. sharp criticism
7. be sharp with sb
8. I felt a sharp pain in my back.
9. Through all the noise came a sharp warning cry. 重庆
锋利的；尖的
急剧的
急剧的
敏锐的
机灵的
严厉的
严格的
剧烈的
尖锐的
词汇拓展
■ adv 正 (指时刻)；整：
2 o’clock sharp
1. House prices have risen sharply over the last decade.
2. speak sharply to sb
3. sharpen a pencil
4. Debates sharpen one’s wits.
急剧地
斥责某人
削尖
使提高；使改进
五个重点词汇
1．witness vt.当场见到；目击；见证n.目击者；证人；证据
a witness to sth.某事的证人/证据
[基础练习]——单句语法填空/单句改错
①With economy developing at great speed，our city _____________ (witness) quite a few changes in recent years.
②His good health is a witness of the success of the treatment.
has witnessed
to
2．opposite prep.在……对面
[归纳拓展]
opposite adj.相对的；相反的
n．对立面；对立物
prep.在……对面
be opposite to...在……的对面；和……是相反的
[基础练习]——单句语法填空/单句改错
①As we all know, hot is opposite _____ cold.
②It’s easy to find—there’s a church just opposite to my house.
to
3．abandon vt.放弃；遗弃；抛弃n.放任；放纵
[归纳拓展]
(1)abandon one's hope/plan/idea放弃希望/计划/主意
abandon oneself to...沉溺于……，纵情于……
=be abandoned to
abandon doing sth.放弃做某事
(2)with abandon放纵地，放任地
(3)abandoned adj.被遗弃的；放纵的
[基础练习]——单句语法填空/单句改错
①They abandoned _________(carry) out the plan for lack of money.
②He owned a farm，which looked almost _________ (abandon)．
③They are dancing and singing in abandon. _________
carrying
abandoned
in→with
[能力提升]——句式升级(按要求升级句式)
As he abandoned himself to drinking，he got laid off.→
(分词短语作状语)
④____________________________, he got laid off.
⑤____________________________, he got laid off.
Abandoning himself to drinking
Abandoned to drinking
4．aware adj.意识到的；知道的
[归纳拓展]
(1)be/become aware of对……知道、明白；意识到……
be aware that...知道……；意识到……
make sb.aware that...提醒某人注意……
make sb.aware of...让某人注意到……
(2)unaware adj.未察觉的；不知道的
(3)awareness n．知道；意识
[能力提升]
① 学生形成珍视父母的爱的意识很重要。
It is important that students develop/form an awareneww of valuing parents’ love.
②我的老师试图提高学生的环保意识。
My teacher tried to raise students’ awareness of environmental protection.
5．scare vt.恐吓vi.受恐吓n.惊恐，惊慌
[归纳拓展]
be scared ______ sth.害怕去做某事
be scared ______sth./ doing sth.害怕做某事
(be) scared to _______吓死了
to do
of
death
be sentenced to death被判处死刑
PART
3
短语精析
1．hold up 举起；使耽搁；支撑
[归纳拓展]
hold on坚持；抓住；稍等(电话用语)
hold on to守住；不卖某物；抓紧；不放开
hold back踌躇；阻止；抑制（情感）hold back tears
hold out维持；抵抗；坚持
hold off推迟=put off /delay
hold up 举起；使耽搁；支撑
hold on坚持；抓住；稍等(电话用语)
hold on to守住；不卖某物；抓紧；不放开
hold back踌躇；阻止；抑制（情感）hold back tears
hold out维持；抵抗；坚持
hold off推迟=put off /delay
2．help (...) out帮助(某人)摆脱困境或危难
[归纳拓展]
can't help (to) do sth. 不能帮忙做某事
can't help doing sth. 禁不住做某事
can't help but do sth. 不得不做某事
[基础练习]——单句语法填空/单句改错
①He is always willing to help _______ when I am in trouble.
②Please help with me and give me some advice.
③Standing in the beautiful forest，he couldn't help but having a deep breath. ____________
out
having→have
can't help (to) do sth. 不能帮忙做某事
can't help doing sth. 禁不住做某事
can't help but do sth. 不得不做某事
PART
4
1．It was a time _____ the killer whaleshelped the whalers catch the baleen whales that were on their annual migration.
[基础练习]——单句语法填空
①It is high time that we __________________(take) some measures to deal with it.
②It is about ten years since the man ______(come) to China.
③It is the first time that the girl _________ (see) such an animal.
④It will be about three years before they _____ (come) back.
took/should take
came
has seen
come
[能力提升]——完成句子
⑤有一段时间我讨厌去上学。
____________________I hated going to school.
There was a time when
2．There were other creatures that I didn't want to get too close to—an eel with its strong sharp teeth，with only its head showing from a hole，watching for a tasty fish (or my tasty toe！) ...
[基础练习]——单句语法填空
①With everything he needed _______(buy)，he drove home.
②He fell asleep with the lamp ________(burn)．
③I can’t go out with all these clothes ________(wash)．
④ The girl sat under the tree with her attention ______
(pay) to a book./with her eyes _____(fix) on a book.
bought
burning
to wash
payed
fixed
3.
[基础练习]——单句语法填空
①She _______(be) absent，the meeting had to be put off.
②Her glasses _______ (break)，she couldn't see the words on the blackboard.
③So many people ____________ (help) us，we are sure to succeed.
being
broken
to help/helping
独立主格
n. v.
wide
long
strong
true
young
width
widen
length
lengthen
strength
strengthen
truth
youth
Thanks