Unit 5 Humans and Nature Lesson 3 Race to The Pole 课件(共37张PPT，内镶嵌视频)-北师大版（2019）必修第二册

(共37张PPT)
Unit 5
Humans and Nature
Lesson 3 词汇
目 录
01.
单词领读
02.
词性拓展
03.
单词讲解
04.
随堂测试
单词领读
01
1. 勘探者；探险家 n __________
2. 准备；预备 n __________
3. 滑雪板 n __________
4. 靴子；长靴 n __________
5. 上校；上尉 n __________
6. 极地的；近极地的 adj __________
7. 基部；基础；总部；基地 n __________
8. 焦虑地；不安地 adv __________
preparation
ski
boot
captain
polar
base
anxiously
explorer
单词预习检测---英汉互译
9.（机器等）出故障 __________
10. 野心；雄心；抱负 n __________
11. 勘探；探索；探究 n __________
12. 兴高采烈的；高兴的；令人愉快的 adj __________
13. 证明；证实 vt __________
14. 遥远的；远处的；久远的 adj __________
15. 洲；大陆 n __________
ambition
exploration
cheerful
prove
distant
continent
break down
单词预习检测---英汉互译
16. 诚实；正直 n __________
17. 真诚；诚挚；诚恳 n __________
18. 勇敢；无畏 n __________
19. *sledge n __________
20. *tent n __________
sincerity
bravery
雪橇
honesty
帐篷
单词预习检测---英汉互译
词性拓展
02
1．explorer n．探险者；勘察者→explore v．考察，探险
→exploration n．探险；探索
2．preparation n．预备，准备→prepare vt.预备，准备
→prepared adj.有准备的；经过调制的
3．base n．基地,大本营;基础vt.以…为基地→basis n.基础;基点
→basic adj.基本的，基础的→basically adv.从根本上说
4．anxiously adv.焦虑地；不安地→anxious adj.焦虑的，不安的
→anxiety n．焦虑；担心；渴望
5．ambition n．抱负，雄心；追求，夙愿
→ambitious adj.抱负不凡的，有野心的，雄心勃勃的
6．cheerful adj.高兴的，兴高采烈的→cheer vi.&vt.欢呼；喝彩；加油n．欢呼声，喝彩声
7．prove vt.证明；证实→proof n．证据，证明adj.防……的
8．distant adj.久远的；遥远的→distance n．距离
9．honesty n．坦诚；诚实，正直→honest adj.诚实的
10．sincerity n．真诚，真挚，诚实→sincerely adv.由衷地，真诚地，真心实意地→sincere adj.真诚的，诚挚的，诚恳的
11．bravery n．勇气；勇敢的行为→brave adj.勇敢的；无畏的vt.勇敢面对；冒(风险)；经受(困难)
重难点词精讲
03
1.prepare
课文原句： What preparation do they need to make (教材P36)
?★ ?prepare v. 准备；使……准备好；配制(食物、药品)
preparation n.准备；筹备　
prepared adj.做好准备的
prepare for sth. 为某事做准备
prepare sb. for sth. 使某人为……做好准备
prepare to do sth. 准备做某事
in preparation (for)在准备(……)中
make preparations for为……做准备
be/get prepared for为……做好准备
be prepared to do sth. 愿意做某事
[佳句赏读]　感悟句意·翻译
1. A hotel room is being prepared for them.
2. I was not prepared for all the problems it caused.
3. How much are you prepared to pay
4. He was in the kitchen preparing lunch.
5. The third book in the series is currently in preparation.
在空白处填入 1个适当的单词或括号内单词的正确形式。
1. What makes me concerned is my final exam which will be held in two weeks，so I have to make ___________(prepare) for it.
2. There was no news and we ___________(prepare) for the worst.
3. Schools should make more efforts___________(prepare) students for entering the workplace.
to prepare
preparations
were prepared
课文原句：First, his two sledges broke down and then the two horses began to have serious difficulties with the snow and the cold.(教材P36)
★ ?break down分解：机器损坏，出故障；谈判失败；身体垮掉
2. break down
break up(使)破裂；分解；解散
break out(战争、火灾等)爆发；突然……起来(＋doing)
break into闯入；突然……起来(＋n.)
break away from脱离；打破
break in闯入；插话，打断（不及物短语，不接宾语）
break down语义助记
打碎、打破
break down
（基本义）
（机器等）出故障
（身体等）垮掉
“打碎、打破”健康
“打碎、打破”工作系统
（谈判等）失败
“打碎、打破”谈判等
“打碎、打破”一个整体
“打碎、打破” 隔阂
把……成若干部分（以方便做或理解）
打破；消除
（情感等）失控
“打碎、打破”情感
“打碎、打破” 物质
使分解
break down
写出下列句子中画线部分的汉语释义。
1. Old-fashioned phones matter when wireless networks break down in disasters. ____________________
2. News reports say peace talks between the two countries have broken down with no agreement reached. ____________________
3. To understand the grammar of the sentence, you must break it down into parts. ____________________
4. He broke down and cried when he heard the news. ____________________
5. Love breaks down barriers. ____________________
出故障
失败 / 破裂
把……分成若干部分
情绪崩溃
消除 / 打破
[佳句赏读]　感悟句意·翻译
1. The telephone system has broken down. 瘫痪
2. Negotiations between the two sides have broken down. 谈判失败
3. Each lesson is broken down into several units. 分成小部分
4. Thieves had broken in while we were away. 闯进
n [C] 基部 (bottom)；基础；总部；基地：
Plants are the base of the food chain.
He used the house as a base for his printing business.
revolutionary bases
Data about the moon’s composition could help China decide whether its plans for a future lunar base are practical.
vt 以……为基地；把基地设在……
base on / upon 以……为基础；以……为根据：
The book is based on a true story.
Scientists have built an early-warning system based on mathematical models.
Basing an important decision more on emotion than on reason, you will regret it sooner or later.
3.base
based adj
办公地点在……的；以……为总部的：
the US-based customer service
［构成复合词］……为基础的：
computer-based teaching
词汇拓展
一、写出下列句子中画线部分的汉语释义。
1. There was a bike path running along this side of the wall, right at its base. __________
2. The company has its base in New York, and branch（分支）offices all over the world. __________
二、根据所给提示，将下列句子译成英语。
这部电影以一个真实的故事为原型。(base v)
The film ___________________ a true story.
base
is based on / upon
底部
总部
vt 证明；证实：
Riis believed that poverty caused crime, and he used photos to help him prove his point.
① prove sth to sb:
Just give me a chance and I’ll prove it to you.
② prove sb / sth (to be) + adj / n:
They put me in prison, but, in the end, I was proved innocent.
He proved himself (to be) a better driver than the world champion.
4.prove v
注：表示向某人证明某事时应该用 prove sth to sb，而不能用 prove sb sth。
③ prove + (that) / wh- 从句：
Sarah wants to prove that she has brains as well as beauty.
The challenge proved how difficult it is to drive across a desert without guidance.
④ it is proved that:
It has been proved that eating vegetables in childhood helps to protect you against serious illnesses in later life.
⑤ prove oneself (to sb):
When I first started this job, I felt I had to prove myself.
［用作系动词］证明是；被发现是 (turn out)：
① prove + adj / n:
Though not known to use tools in the wild, the birds have proved skilful at tool use while kept in the cage.
② prove to be sth:
He proved to be an honest friend.
翻译下列句子。
1. 给我一个机会，我会证明给你看。
Just give me a chance and _______________________.
2. 事实证明了这本书非常成功。
_______________________________________
3. 经证实，童年时吃蔬菜有助于日后不生大病。
_________________________ eating vegetables in childhood
helps to protect you against serious illnesses in later life.
prove
I’ll prove it to you
The book has proved (to be) very successful / a great success.
It has been proved that
6.distant
So the furthest distance in the world
is not in two distant trees.
It is the same rooted branches
but can’t depend on each other in the wind.
所以世界上最远的距离
不是树与树的距离
而是同根生长的树枝
却无法在风中相依
——出自《世界上最遥远的距离》
拉宾德拉纳特·泰戈尔(Rabindranath Tagore，1861—1941)，印度诗人、文学家。代表作有《飞鸟集》(Stray Birds)、《新月集》(The Crescent Moon)等。
温故 distance (必修一 Unit 1)
distance由前缀dis- “分离，分开（apart）”、词根-st- “站立（stand）”及名词词尾-ance组成，两边分开站，即有一段“距离”。
distance n.
[C] & [U] 距离；间距：
Anniversaries and birthdays carry even more weight in long distance friendships. 2022 全国
It’s just a distance of 50 metres from here to the restaurant.
The beach is within walking distance of my house.
[U] [单数] 遥远；远处；远方：
Watch the performance on the street from a safe distance.
[C] & [U] 疏远；冷淡：
The coldness and distance in her voice took me by surprise.
【重要搭配】
at / from a distance 有相当距离：
The picture looks beautiful at a distance.
in / into the distance 在远处：
Farther in the distance, I could enjoy the view of snowy mountains.
keep one’s distance 保持距离
distant adj
遥远的；远处的；久远的：
These rocks proved that at one time in the distant past the Antarctic was covered by plants.
He wanted to get away from everything so he moved to a distant land.
The time we spent together is now a distant memory.
疏远的；冷淡的：
Pat sounded very cold and distant on the phone.
[只用于名词前] 远亲的 反 close：
He is my distant cousin / relative.
distant来源于distance
课文
distant 语义助记
distant
遥远的
基本义
人和人之间关系“遥远的”
亲戚关系 / 血缘关系“遥远的”
距离、时间
“遥远的”
远亲的
遥远的；远处的；久远的
疏远的；冷淡的
distant
写出下列句子中画线部分的汉语释义。
1. To many people, technology means computers or vehicles that travel to distant planets. ____________
2. I would like to have my own house in the distant future.
____________
3. After the quarrel（争吵）Sue remained cold and distant.
____________
4. Ashley’s boyfriend is a distant relative of mine. ____________
5. Peace was just a distant hope in the past. ____________
6. The life in the countryside has become a distant memory.
____________
遥远的
遥远的将来
疏远的
远亲
遥不可及的
遥远的回忆
随堂测试
04
Ⅰ.单词拼写
1．I think the movie is pretty _______(肤浅的)，which isn’t worth recommendation.
2．Despite living in different countries，the two families have ____ ___________(维持)close links.
3．In my view，physical stores will exist along with online stores and will never be_________.
4．If we miss a night’s sleep，we will find it hard to _________ and learn new information.
5．Reading a book can be a _________(有益的) experience for both of you.
shallow
maintained
replaced
concentrate
rewarding
6．The________(专家) has confirmed that all these are gossips，so you needn’t be concerned.
7．The teacher gave us a _______(简洁的) introduction about how to carry out the experiment.
8．Parents are supposed to focus more on developing children’s ____(创造性的)thinking and innovative ability.
9．In my _______，we work not only for making a living but also for a sense of achievement.
10．The drought did a lot of_______ to the crops.
authority
briefly
reative
opinion
harm
Ⅱ.单句语法填空
1．____ we all know，important social skills are developed through direct contact with others.
2．I’d like to begin by____(brief) introducing the goods we produce.
3．It was only when her car pulled up in front of our house ____we saw Lily in the passenger seat.
4．The boy is good at maths ____ his sister is good at Chinese.
5．The best way _______(learn) is to keep yourself informed of the latest information.
As
briefly
that
while
to learn
Ⅱ.单句写作
1．正是这些现实生活中的社交技能让我们能发展终生的友谊。 (强调句型)
_________________________________________________________________________________________________.
2．无论有多忙，父母都应该抽出一些时间来陪伴孩子。(no matter how)
___________________________________________________________________________________________.
3．良好的亲子关系应该建立在相互理解和尊重的基础上。(on the basis of)
_______________________________________________________________________________________________.
It is the social skills in real life that enable us to develop lifelong friendships.
No matter how busy they are，parents should spare some time to accompany their children.
A good parent-child relationship should be set up on the basis of mutual understanding and respect.
4．我遇到了一些困难，但是跟你的相比根本就算不上什么。(compare...to...)
__________________________________________________________________________________________________.
5．简而言之，生活的乐趣在于做我们喜欢做的事情。(in brief)
__________________________________________________.
I met some difficulties，but they are nothing compared to yours.
In brief，the pleasure of life lies in doing what we like.
THANK YOU