译林版（2020）选择性必修第一册Unit 1 Food Matters Extended Reading 知识点课件(共29张PPT)

(共29张PPT)
选择性必修一
Unit1 Food Matters
Extended Reading
Language Points
第一版块|重点词汇诠释
1.expand vt.&vi.增加，扩大；扩展，发展(业务)；详谈，详述
(1)expand to 扩展到……
expand into sth. 扩展成……
expand on sth. 进一步阐述，详谈，充分叙述
(2)expansion n.
(尺寸、范围、数量等的)扩大；增加；(公司、企业等的)扩张；详述；展开；扩充
In ten years the city's population has expanded by 12%.
十年之中，该市人口增加了12%。
As Helen's knowledge and vocabulary expanded, she asked more and more questions.
随着知识不断拓展、词汇不断丰富，海伦问的问题越来越多。
We've expanded the business by opening two more stores.
我们增开了两家商店以扩展业务。
All the details are in the book，and I need not expand on it.
情节都在书上呢，我无须详述。
即学即练　单句语法填空
①The society expanded ____________ a worldwide organization.
②The town has now expanded ____________ twice its original size.
③For example, people volunteer to express personal values related to unselfishness, ____________ (expand) their range of experiences, and to strengthen social relationships.
④In his lecture the teacher expanded ____________ the uses of the English subjunctive mood.
⑤The future ____________ (expand) of the business calls for two new factories.
into
to
to expand
on
expansion
2.multiple adj.数量多的，多样的
(1)multiple formats 多种格式
multiple challenges 多重挑战
multiple models 多型号
multiple-choice questions 多项选择题
(2)multiply vi.& vt. 乘，增加
multiply...by 以……乘
multiply five by three 三乘以五
The children should be trained to have multiple interests.
应该培养孩子们有多方面的兴趣。
In a world that warms up by 3℃， it found that multiple changes to the colour of the oceans would occur.
在一个温度上升了3摄氏度的世界里，它(模型)发现海洋的颜色会发生多重变化。
What do you get if you multiply six by nine？
6乘以9等于多少？
即学即练　完成句子
①The government performed competently in the face of _______________ (多重挑战).
②This digital audio player supports ____________ (多种格式).
③The ____________________ (多项选择题) must be answered within a strict time limit.
multiple challenges
multiple formats
multiple-choice questions
3.plain adj.朴素的，简单的；清楚的　n．平原
(1)be plain with sb. 对某人直言不讳
be plain about sth. 对某事直言不讳
It is quite plain that... ……是很明显的
(2)plainly adv. 朴素地；清晰地，明显地；直截了当地
I will be plain with you and tell you the truth.
我跟你开门见山地说实话。
It's quite plain that you haven't been paying attention.
你显然一直都没好好地留意。
They still like simple food and plain clothes though they are much better off now.
尽管现在富裕多了，他们还是喜欢吃简单的食物、穿朴素的衣服。
即学即练　单句语法填空/写出句中plain的词性及词义
①He was quite plain ____________ his feeling on the matter.
②I'll be plain ____________ you.I don't like the idea.
③How could you not notice that girl She was ____________ plain sight all night.
④She was ____________ (plain) dressed and wore no make-up.
⑤A little mountain stream is dashing down to the plain.____________
⑥The meaning of the sentence is quite plain.____________
⑦The excuse for me, however, was not youth but plain stupidity.____________
about
with
in
plainly
n.平原
adj.清楚的
adj.纯粹的
4.appropriate adj.合适的，恰当的
(1)appropriate time/place 合适的时间/地点
be appropriate for/to sth. 适合……
It is appropiate to do sth. 做某事是合适的
It is appropriate that... 是恰当的
(2)appropriately adv. 恰当地，合适地
inappropriate adj. 不适当的，不合适的
inappropriate behaviour/language 不恰当地行为/语言
I don't feel that this is an appropriate time to mention the subject.
我觉得这个时候不适合提这个话题。
Jeans are not appropriate for a formal party like this.
在像这样的正式聚会上穿牛仔裤是不合适的。
It is not appropriate to ask such personal questions in an interview.
在采访中问这样的私人问题是不合适的。
As a new diplomat, he often thinks of how he can react more appropriately on such occasions.
作为一名新的外交官，他经常思考怎样才能在这种场合中作出更恰当的反应。
即学即练　单句语法填空
①Try to dress ____________ (appropriate) for each occasion.
②Ask your doctor whether these treatments are appropriate ____________ you.
③It is often appropriate ____________ (use) the local dialect to communicate your message.
④____________ is entirely appropriate that his music should be played at this festival.
appropriately
for
to use
It
5.estimate vt.估计，估价　n．估计；估计的成本
(1)It is estimated (that)... 据估计，……
be estimated to be/have/cost sth. 被估计为/有/价值……
estimate sth. at... 估计某物为……
(2)a rough estimate 粗略的估计
It is estimated (that) the project will last four years.
据估计，这项工程将持续四年。
The tree is estimated to be at least 700 years old.
这棵树估计至少有700年树龄。
They estimate the cost at 800 yuan.
他们估计费用为800元。
即学即练　单句语法填空
①I know him well enough to form ____________ estimate of his abilities.
②The cost of building railways ____________(estimate) at.
③It is estimated ____________ up to 60% of the local population is being reached through these radio broadcasts.
④The police estimated the number of tourists ____________ about 20，000.
an
was estimated
that
at
6.consume vt.吃，喝，饮；消耗，耗费(尤指燃料、能量或时间)
(1)consume time 消耗时间
consume all the hamburgers 吃光所有的汉堡
consume the whole city 吞噬整个城市
(2)consumer n. [C]消费者，顾客，用户
consumption n. [U]消费；消耗量
The kids soon consumed all the food on the table.
孩子们很快便把桌子上的所有食物吃光了。
Alcohol can do harm to the liver if consumed in large quantities.
如果大量饮酒，那会对肝脏造成伤害。
We have to replace these old lamps with the new energy-efficient ones, because they consume too much electricity.
我们必须把这些旧灯换成新的节能灯，因为它们太耗电。
即学即练　判断下列句子中consume的含义/用consume的适当形式填空
①Our high living standards cause our present population to consume 25 percent of the world's oil.____________
②According to a survey，40 grams of meat per day is what people should consume in order to stay fit.____________
③Phone carriers and ____________ need to work together to find ways of determining and communicating what is real.
④The fact is that a huge brain is a huge drain (消耗)— ____________ of energy—on the body.
消耗
吃
consumers
consumption
7.essential adj.必不可少的，极其重要的；本质的，基本的　n．必需品；要点，要素
(1)be essential for/to... 对……来说是极为重要的
It is essential (for sb.) to do sth. (对某人来说)做某事是完全必要的。
It is essential that...
……是必要/至关重要的。(that从句要用虚拟语气，即从句谓语用“should＋动词原形”的形式，should可省略)
(2)essentially adv. 本质上，根本上
Advanced technology is essential to the advance of society.
先进的技术对社会的进步是极为重要的。
It's essential for high and new tech enterprises to strengthen competitive power.
增强竞争力对高新技术企业来说是极其重要的。
It is essential that your diet (should) be varied and balanced.
你的饮食要多样化且均衡，这至关重要。
即学即练　单句语法填空
①The possession of a passport is essential ____________ foreign travels.
②It is essential that he ____________ (send) there at once.
③History is much more than the study of dusty old objects and events long past.It is ____________ essential part of who we are today and who we will become.
④Most people hold the belief that it's essential ____________ (wear) a surgical mask to control the spread of COVID -19.
for/to
(should) be sent
an
to wear
8.take off 拿下，脱下；起飞；突然成功
take on 承担；呈现；雇用
take up 拿起；开始从事；占据(时间，地方)
take down 记下；拿下
take in 吸收；领会；欺骗
take over 接管；接收
take apart 拆开
take back 拿回；撤销
He came in and took off his coat.
他走了进来，脱掉大衣。
The plane took off despite the fog.
尽管有雾，飞机仍照常起飞。
In 1944, his career took off.
1944年，他的事业飞黄腾达。
即学即练　单句语法填空
①He took ____________ the telephone receiver and began to dial.
②Many businesses started up by college students have taken ____________ thanks to the comfortable climate for business creation.
③He's spoken to a publishing company. They're going to take him ____________．
④She decided that I was the ideal person to take ____________ the job.
⑤The accident happened as the jet was about to take ____________．
⑥He took ____________ a dictionary from the top shelf.
⑦She read a few poems，but did not take them ____________．
⑧My little son likes to take ____________ his toy cars.
up
off
on
over
off
down
in
apart
9.appetite n．食欲，胃口；强烈欲望；爱好，嗜好
have a good/poor/no appetite 胃口好/胃口不好/没有胃口
develope an appetite for... 对……提起胃口
ruin one's appetite 破坏某人的食欲
lose one's appetite 某人失去胃口
have an appetite for 喜欢，爱好
have no appetite for 对……没有兴趣
Exercise gives her a good appetite.
运动使她胃口大开。
Mr Black has developed an appetite for Chinese food.
布莱克先生喜欢上了吃中国食物。
The smell ruined my appetite，and I pushed the dish away.
那气味破坏了我的食欲，我把菜推开了。
He has an appetite for classical music.
他很喜欢古典音乐。
即学即练　单句语法填空
①He has ____________ appetite for writing.
②All kinds of magazines and research papers are put out with the aim of satisfying readers' appetite ____________ specific knowledge.
an
for
10.emphasis n．(pl. emphases)强调，重视；重读
(1)lay/put/place emphasis on... 强调/重视……
give emphasis to 强调，着重
(2)emphasize vt. 强调；着重；使突出
emphasize the importance of sth. 强调某事的重要性
emphasize sth. to sb. 向某人强调某事
Schools here put/place/lay great emphasis on reading and writing.
这里的学校非常重视阅读和写作。
The government gave much emphasis to the problem of traffic jams.
政府非常重视交通堵塞问题。
We cannot emphasize too much the importance of learning English.
我们再怎样强调学英语的重要性也不为过。
He only emphasized his own interests to us at the conference.
他在会上只向我们强调了他自己的利益。
即学即练　单句语法填空
①Our English course places great emphasis ____________ conversational skills.
②We cannot ____________ (emphasis) the importance of protecting the environment too much because we have only one Earth.
on/upon
emphasize
11.edge n．边，边缘；刀口
on edge 紧张不安；急切
on the edge of... 在……的边缘；濒于；快要；将近
at the edge of... 在……的边缘
She was always on edge before an interview.
她在面试前总是紧张不安。
On the edge of the jacket, there is a piece of cloth that gives off light in the dark.
在夹克的边缘，有一块布在黑暗中发光。
We all know that the panda is a species that is on the edge of extinction.
我们都知道熊猫是一种濒临灭绝的物种。
At the edge of the desert, he came across a deserted church.
在沙漠的边缘地带，他碰巧发现了一座被遗弃的教堂。
即学即练　完成句子
①The hotel is situated ________________(在……边缘) the town.
②They have driven the rhino to ________________ (灭绝的边缘).
③Just the sound of her voice sets my teeth _____________ (紧张不安).
at the edge of
the edge of extinction
on edge
12.apart adv.成碎片；分开；相隔；除外
fall apart vi. 破碎，破裂，散架；崩溃
take sth. apart 拆开某物
tell...apart 把……区分开来
Don't stand on that old chair—it's likely to fall apart at any moment.
别站在那把旧椅子上——它随时都可能散架。
They used to be close friends，but fell apart not long ago.
他们曾经是亲密的朋友，但不久前关系破裂了。
I can't tell the twins apart.
我分不清这对双胞胎。
Rod loves taking clocks apart. However, he never manages to put them together again.
罗德喜欢拆卸钟表，但他从不能再把它们组装起来。
即学即练　用apart的相关短语完成句子
①我经常读这本书，它都块散架了。
I've read the book so often and it's ___________．
②我们把电脑拆开了，看看出了什么问题。
We ___________________ to see what was wrong.
③甚至我们的父母有时也很难区分我和我弟弟。
Even our parents sometimes have trouble _______________________．
falling apart
took the computer apart
telling me and my brother apart
Thank you!