人教版（新课程标准）选修七Unit3 Under the sea知识点课件-(59张ppt)

(共59张PPT)
人教版选修七：Unit 3 Under the sea
学习目标
Course Objectives
掌握核心词汇、短语、句式用法
被动语态：V- ing形式
课程引入
Do you know these creatures under the sea？
PART 01
词汇 短语 句式
核心词汇
witness [ w tn s]
【原句回放】I thought, at the time, that this was just a story but then I witnessed it with my own eyes many times.
【词性点拨】
vt.& vi. 亲眼看见，目睹，作证；
n. 见证人；目击者（与of连用）
【常见搭配】
witness for为······作证
witness to sth. /doing sth.为……作证
bear / give witness to 为......作证
核心词汇
【经典例句】
The police found the witness of the murder case.
He witnessed to having seen the man enter the building.
The success of the show bears witness to our good planning.
【即学即练】
His good health is a witness ________ the success of the treatment.
【真题链接·2017江苏·任务型阅读·80】
As a result it’s likely to see a rise in the size of its working-age population and to witness strong economic growth over the longer term.(译一译）
核心词汇
答案
1.即学即练：to
2.真题链接：结果是，很可能工作适龄人口的规模会增长，且能目睹长期的经济强劲增长。
核心词汇
2. accommodation [ k m de n]
【原句回放】On the afternoon I arrived at the station, as I was sorting out my accommodation, I heard a loud noise coming from the bay.
【词性点拨】
accommodate vt.& vi.提供住宿；容纳；适应，调节
accommodation n. 房间，住所；膳宿（常用复数）
【常见搭配】
make accommodation for the … 为……提供膳宿
book accommodation at a hotel 在旅馆预订房间
accommodate to…适应
核心词汇
【经典例句】
This hotel has accommodations for 600 guests.
One flat can accommodate a family of five.
Wherever he goes, he readily accommodates to new circumstances.
【即学即练】
The high cost of ________makes life difficult for students in London.
【真题链接·2014·全国一·写作】
假定你是李华，计划暑假间去英国学习英语，为期六周。下面的广告引起了你的注意，请给该校写封信，询问有关情况（箭头所指内容）
注意：1．词数100左右；
2．可以适当增加细节，以使行文连贯。
3．参考词汇：住宿-accommodation（想一想）
核心词汇
1.即学即练：accomodation
2.真题链接：I’d also like to know how much I have to pay for the course and whether accommodation is included.
答案
核心词汇
3. drag [dr ɡ]
【原句回放】Within a moment or two, its body was dragged swiftly by the killers down into the depths of the sea.
【词性点拨】
drag v. & n. 拖, 缓慢而费力地移动
【常见搭配】
drag sth. in 硬扯进
drag sb. down 把人拖垮
drag one’s feet 拖着脚步走
【近义辨析】
　
pull 用力，不强调力的大小，反义push。　　Pull the door open. Don’t push it.
draw 表“吸引(注意等)”；表“拉”时，力气没有drag大。He drew the curtains.
drag 指拖笨重的、阻力很大的东西。The little boy is dragging a heavy bag of rice.
核心词汇
【辨析词性】
She always drags behind.
They dragged the secret out of me.
He considered his friend a drag on his business. 成功的绊脚石
【即学即练】
We ________ the fallen tree from the road.
【真题链接·2018·全国二&三·听力】
I found myself increasingly unwilling to drag myself to dance performances, so I quit. (译一译）
核心词汇
答案
1.即学即练：dragged
2.真题链接：我发现我自己越老越不愿意强迫我自己表演舞蹈，所以我放弃了。
核心词汇
4. urge [ d ]
【原句回放】“Man overboard！Turn the boat around!” urged George, shouting loudly.
【词性点拨】
urge vt. 催促；极力主张
urge n. 强烈的欲望，冲动
urgent adj.急迫的；催促的；
【常见搭配】
urge sb. to do sth.?
urge sb. into doing sth.催促某人做某事
urge that sb. （should）do sth.(*虚拟*）
It is urged that sb. （should）do sth.坚决要求/极力主张某人去做某事(*虚拟*）
核心词汇
【经典例句】
It is urged that necessary measure should be taken to prevent campus violence.
Suddenly she had an urge to be with her son.
【即学即练】
It is urged that I ________ (set) aside some money for later use.
【真题链接·2017·全国一·语法填空】
Having enough fat and salt in your meals will reduce the urge to snack(吃点心) between meals and will improve the taste of your food.
核心词汇
答案
1.即学即练：set
2.真题链接：通过每日饮食摄入足够的脂肪和盐分会减少在两餐之间吃点心的欲望，而且会提高你的食物的味道。
核心词汇
5. abandon [ b nd n]
【原句回放】 From James’s face, I could see he was terrified of being abandoned by us. .
【词性点拨】
abandon vt. 放弃，抛弃，遗弃；中止
abandon n. 尽情，任意，放纵
abandoned adj. 无约束的，无度的；放荡的
abandonment n. 放弃，抛弃，废弃；中止
【常见搭配】
abandon oneself to 沉溺于
with abandon 放肆地、恣意地
abandoned behaviors 恣意放荡的行为
核心词汇
【经典例句】
He abandoned his wife and went away with all their money.
He abandoned himself to despair.
【即学即练】
After trying hard, they ________ the hope of finding an effective way to solve the problem.
【高考真题·2016·浙江·单选·8】
( )We can achieve a lot when we learn to let our differences unite , rather than ____ us.
A. divide B. reject C. control D. abandon
核心词汇
答案
1.即学即练：abandoned
2.真题链接：D
核心词汇
6. reflect [r flekt]
【原句回放】I’m sitting in the warm night air with a cold drink in my hand and reflecting on the day— a day of pure magic!
【词性点拨】
reflect vi./vt. 反射；表达，反映；思考，沉思
reflection n. 反射; 反映; 沉思 ；映像，倒映
【常见搭配】
reflect on/upon 思考，回忆
on reflection 经再三思考
reflect sth. from sth.从某物(表面)反射(光、热、声等)
reflect sb./sth. in sth.(指镜子等)映出某人/物的影像
核心词汇
【经典例句】
Take some time to reflect on your future plans.
Many newspapers reflect the opinions of the children.
A mirror reflects a picture of you when you look in it.
【即学即练】
She reflected ________ her past carefully.
The ________ (reflect) of the trees is clean.
【真题链接·2019全国二·阅读C】
I reflect on how my day’s gone and …It’s a chance for self-reflection, …（译一译）
核心词汇
答案
1.即学即练：on reflection
2.真题链接：我回忆我的父亲是如何离开的······这是一个自我思考的机会······
核心短语
1. be aware of 意识到
【原句回放】The first thing I became aware of was all the vivid colors surrounding me.
【词性点拨】
aware adj. 意识到；知道的
awareness n. 意识
【常见搭配】
be aware of sth.意识到某事
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
so/as far as I am aware就我所知
核心短语
【经典列句】
We are fully aware of the gravity of the situation.
Are you aware that they don’t get along well with each other
【即学即练】
We should raise the ________ (aware) of protecting the environment.
【真题链接·2013全国一·完形】
I went to a group activity，“Sensitivity Sunday”， which was to makes us more ________ the problems faced by disabled people.
A.curious about B. aware of C.interested in D. careful with
核心词汇
答案
1.即学即练：awareness
2.真题链接：B
核心短语
2. help(...)out 帮助(某人)摆脱困境
【原句回放】What evidence was there that Old Tom was helping the whalers out？
【help常见搭配】
help (sb.) (to) do sth.帮(某人)做某事
help sb. with sth.帮助某人做某事
can't help (to) do sth.不能帮着做某事
can not help doing sth.禁不住做某事
can't help but do sth.不得不做某事
核心短语
【经典例句】
I still remember the days when they helped me out a lot.
Jane helped him out of his financial difficulties.
【即学即练】
He can't help ________ (cry) on seeing his dead dog.
I can't help but ________ (follow) her advice.
【高考链接·2019·听力】
Can I help out with anything （译一译）
核心词汇
答案
1.即学即练：crying follow
2.真题链接：需要我帮忙吗？
核心短语
3. ...to death
【原句回放】I told myself they weren’t dangerous but that didn’t stop me from feeling scared to death for a moment.
【辨析词义】
The seedling was frozen to death.
The old woman was scared to death at the terrible news.
Every year millions of poor children in the world starve to death.
The murderer was shot to death at a word.
The burglar was sentenced to death.
核心词汇
答案
1.冻死
2.吓死
3.饿死
4.射杀
5.被判死刑
句式突破
1. It takes sb. some time/ ... to do sth.
【原句回放】It took over half an hour to get the boat back to James.
【用法点播】
1.take 意为“花费、需要”，有时态的变化。
2. take前也可用具体名词作主语。
3. 除时间外，也可以用表示“精力、努力等”的名词。
【经典例句】
It took a few minutes for his eyes to adjust to the dark.
句式突破
【句式仿写】
组织一个成功的聚会需要花许多的精力。
【单项选择】
（ ）As a new graduate, he doesn’t know _______ it takes to start a business here.
A. how B. what C. when D. which
核心词汇
答案
Organizing a successful party takes a lot of energy.
或It takes a lot of energy to organize a successful party.
2.B
句式突破
2.a time when…
【原句回放】It was a time when the killer whales, or “killers” as they were then called, helped the whalers catch the baleen whales that were on their annual migration.
【用法点拨】
when引导定语从句，修饰a time，time在从句中作时间状语。
【经典例句】
They lived a hard time when there was no electricity.
It is a time when we communicate through mobile phones instead of letters.
【句式仿写】
我仍记得在德国住过的那一段时间。
核心词汇
答案
I still remember the time when Iived in Germany.
句式突破
3. where引导地点状语从句
【原句回放】The water was quite shallow but where the reef ended, there was a steep drop to the sandy ocean floor.
【用法点播】
where 引导地点状语从句。
当where, wherever 指具体地点时，从句可用于主句之间或之后；表示抽象条件的含义时，从句需放在主句之前。
【用法辨析】
Put the book where it is.
Put the book in the place where it is.
句式突破
3. where引导地点状语从句
【经典例句】
Where there is a will， there is a way.
【即学即练】
You'd better leave the medicine ________ kids can't get it.
核心词汇
答案
where
综合练习
He witnessed to ________ (see) the man enter the room.
He will ________ (accommodation) me with the use of his house while he is abroad.
They ________(drag) the secret out of me.
I got a note from Moira ________(urge) me to get in touch.
Soon they reached an ________ (abandon) building, where there once lived an old monk.
She reflected ________ her past carefully.
综合练习
He is aware ________ the danger of going there.
Jane helped him ________of his financial difficulties.
The burglar was sentenced ________death.
There was a time ________ we had no flat of our own and we had to rent a room near the company.
He would like to live ________ the air is fresh.
It takes courage ________(admit )you are wrong.
答案：
seeing
accommodate
dragged
urging
abandoned
on
of
out
to
when
where
to admit
PART 02
语法 Grammar
Warming up
1. I had already heard that George didn’t like being kept waiting, so even though I didn’t have the right clothes on, I raced after him.
2. As we drew closer, I could see a whale being attacked by a pack of about six other killers.
3. Being badly wounded, the whale soon died.
4.A few minutes later, there was no Tom, so George started beating the water with his oar and there was Tom, circling back to the boat, leading us to the hunt again.
复习非谓语动词句法功能
主语 谓语 宾语 表语 定语 状语 补语
不定式
动名词
现在分词
过去分词
非谓语动词V-ing形式
分类：动名词/现在分词
形式：
用法： 动名词：主、宾、表、定 现在分词：表、定、状、补
主动语态 被动语态
一般式 doing being done
进行式 having done having been done
V-ing被动语态的形式
The boy often watches the ships being loaded and unloaded.
一般式 being done：
与逻辑主语为被动关系；
表-ing形式的动作正在发生或与谓语动作同时发生。
V-ing被动语态的形式
Having been shown the lab, we were taken to see the library.
完成式 having been done：
与逻辑主语为被动关系；
表-ing形式的动作在谓语动作之前完成。
V-ing被动语态的用法
Being killed by sharks in the sea is a common thing. （主语）
I remember having been told the story. （宾语）
The house being built will be our library upon its completion. （定语）
Having been asked to stay, I couldn’t leave. （状语）
You’ll find the topic being discussed everywhere. （补语）
总结：
动词-ing形式的被动语态和它的主动语态一样，可以作主语、宾语、定语、状语、宾语补足语等。注意动名词和现在分词的区别。
V-ing被动语态的用法
注意：V-ing 主动表被动
1. need/want/ require/ deserve+ doing 需要做某事
The blackboard needs cleaning (=to be cleaned).
The broken window wants repairing (=to be repair ed).
Several other points deserv e mentioning (to be mentioned).
2. be worth doing 值得做（同义句型：be worthy，It is worthwhile...）
The problem is worth discussing.
The problem is worthy of being discussed/ to be discussed.
It is worthwhile to discuss/ discussing the problem.
做题思路
句中已有谓语动词
没有连词/不受连词影响
判断非谓语动词所做的成分
语态
时态
综合练习
1．________the programme，they have to stay there for another two weeks．
　　A. Not completing 　　　　　 　B．Not completed
　　C. Not having completed 　　　 D．Having not completed
2．Tony was very unhappy for ________to the party．
　　A．having not been invited 　　　　　B．not having invited
　　C．having not invited　　　　　　　 D．not having been invited
3. “We can’t go out in this weather，”said Bob，________out of the window．
　　A．1ooking 　　　B．to look　　　 C．looked　　　 D．having looked
综合练习
4. The country has already sent up three unmanned spacecraft, the most recent __________ at the end of last March.
　A．has been launched　　　　 B．having been launched
　C．being launched 　　　　　 D．to be launched
5. ________the meeting himself gave them a great deal of encouragement．
　A．The president will attend 　　　　　B．The president to attend
　C．The president attended　　　　　　D．The president’s attending
答案：
A
D
A
B
D
PART 03
综合练习
课文填空
Old Tom, The Killer Whale
I had heard of the killers before I began work at the whaling station. Here is a story I witnessed with my own eyes.
One afternoon, I heard a huge noise __1__ (come) from the bay. We ran down to the shore __2__ time to see Old Tom, the killer telling us there's a whale out there.One of the whalers yelled out, “Rush oo... rush oo.” This was the call __3__ announced there was about to be a whale hunt.George ran ahead __4__ me and I grabbed my boots and raced after him.We jumped into the boat with the other whalers and headed out into the bay. I looked down into the water and could see Old Tom swimming by the boat, __5__ (show) us the way. George sometimes beat the water with his oar and there was Tom, circling back to the boat, leading us to the hunt again.
课文填空
As we drew closer, I could see a whale __6__ (attack) by a pack of about six other killers. They were working as a team—some were throwing themselves on top of the whale's blow hole to stop it __7__ (breathe). And those others are stopping it diving or fleeing out to sea.
A man in the bow of the boat aimed the harpoon __8__ the whale. He let it go. Being __9__ (bad) wounded, the whale soon died. Within a moment or two, its body was dragged by the killers down into the __10__ (deep) of the sea and had a good feed on its lips and tongue. We started turning the boat around to go home.
答案
1．coming　2.in　3.that/which　4.of　5.showing
6．being attacked　7.breathing　8.at　9.badly
10．depth
课堂总结
词汇
目击 催促；
极力主张
住宿
遗弃
拖拽 反射；
表达；沉思
短语 意识到
帮助某人摆脱困境
···死
句式 It takes sb. some time to do sth.
… a time when 定从
where状从
语法 非谓语动词V-ing形式的被动语态
课堂总结
词汇
目击 witness 催促；
极力主张 urge
住宿 accommodation
遗弃 abandonn
拖拽 drag 反射；
表达；沉思 reflect
短语 意识到
be aware of
帮助某人摆脱困境
help out
···死
···to death
句式 It takes sb. some time to do sth.
… a time when 定从
where状从
语法 非谓语动词V-ing形式的被动语态：形式，意义，注意