牛津译林版（2020）必修第三册 Unit 1 Nature in the balance Reading 语言点课件(共35张PPT)

(共35张PPT)
Unit1 Nature in the Balance
Reading (2)
language points
语境填词 词汇串记
请从表格中选择本单元所学词汇完成短文
disappear, damage, chemical, variety,
harm, mass, impact
Tom joined an environmental protection organization as a volunteer. Soon he was sent to work. After arriving at the continent, he started to study a _________ of wildlife in some regions. He learned that there used to be _______of species there, but later many _____________.
variety
massed
disappeared
Two factors led to the results. One was bad climate. The other was human beings. It was human activities that
_________the habitats of some animals. Besides, some farmers poisoned many animals while using __________.
Some even tracked and killed animals to make a profit.
Tom determined to do something to prevent people from
___________the animals. He gave out brochures among the residents. Slowly they realized what they did was wrong and had a bad _________on animals.
damaged
chemicals
harming
impact
1. harm (P1)
观察例句，归纳harm的用法：
(2)This event didn't harm his image/reputation.
Language points
(1)Smoking does harm to our health.
Practice:用harm的适当形式完成句子
This object gives off (1) gases, which may (2) our health. You'd better make the object (3) before you use it.
harmful
do harm to/be harmful to
harmless
这个物体散发出有害的气体，这些气体可能对我们的健康有害。你最好在用之前让它变得无害。
2.overseas (p2 Line4 ) adj. 海外的，国外的
adv. 在海外，向国外
(1)overseas markets/ trade
海外市场/贸易
(2)This product sells well both at home and overseas.
这个产品畅销国内外。　
3.more than (P2 Line 6)
(1) +数字 （=over）超过，多于
(2) +名词 不仅仅是，不只是
(3) +adj./adv./v. (=very/very much)非常，很
(4) +句子 (句中常含can/could）非...所能
判断下列句子中more than 的含义
(1)Up to now , more than five cities have been struck by
the sudden typhoon.
(2)--Do you need a hand, Tom
--Yes, the job is more than I can do myself.
超过
非...所能
(3) Lisa is more than sad to see her friend off at the
airport.
(4)China Daily is more than a newspaper; it also helps
us improve our English.
非常
不仅仅是
4.length u. n./c.n. 长，长度 ( P 2 Line 8 )
long
in length
1)这条河长300英里。
The river is 300 miles ___________. (adj.)
The river is 300 miles ______________.(n.)
2)Delivery must be within a reasonable length of time.
必须在合理的时间内送到。
5.variety (P3 Line 15 )
e.g.
With the development of the economy, there are various goods in stores. The goods vary from daily groceries to luxury goods (奢侈品), which greatly enriches people’s life. In addition, the goods vary with the season in variety and quantity.
随着经济的发展，商店里的商品种类繁多。商品从日常用品到奢侈品不等，大大丰富了人们的生活。此外，货物的种类和数量也随季节而变化。
(1) There is a wide ________of patterns for you to choose
from.
(2) We all need _________(变化，多样性)in our diet.
我们都需要饮食多样化。
(3) There are ______________ (vary) ways to do this.
(4)The menu(菜单) varies ________ the season.
(5) His novels vary _____ length.
variety
variety
various
with
in
Practice
6.mass (P3 Line 16)
(1)adj. 大批的，广泛的
mass production
(2) n.[C, sing.]大量；[C]堆，团，块
a mass of sth / masses of sth 大量
批量生产
e.g. A mass of books are on his desk.
A mass of work has been done.
判断下列mass 的词性及含义:
(1) mass unemployment
(2) A mass of rocks fell down the mountain.
adj. 大批的，广泛的
n. 堆，团，块
一大堆石块从山上掉了下来。
翻译：There were dark masses of clouds in the sky.
天空乌云密布。
7. living (P3 Line 20 )
语法填空
(1) The problem must be dealt with in no time, or it will
do great harm to the_______things(生物) in this area.
(2) He is considered as the finest ___________author.
(3) It’s said that there are more than 5,000
___________________ in the world.
据说世界上在使用的语言有五干多种。
living
living
living languages
语法填空
(4) You can’t expect to ___________________ (谋生)
from your painting.
(5) Mr Smith did all he could to improve his
family’s _______________(生活条件).
living conditions
earn/ make a living
8.survive (P3 Line 23)
vi.生存，存活，继续存在
vt.幸免于难，艰难度过
归纳拓展：
n. 幸存者；生还者_______________
n. 生存；幸存_____________
survival
survivor
e.g. The family experienced a terrible earthquake and only two ___________. She was one of the two
__________---her husband and the other two children didn’t ________the earthquake. Somehow, her _______ was a wonder.
这家人经历了一场可怕的地震，只有两人幸存下来。她是两个幸存者之一----她的丈夫和另外两个孩子没有在地震中幸存下来。不知何故，她的幸存是个奇迹。
survived
survivors
survive
survival
判断以下句子中survive的词性及含义
9.in turn (P3 Line 26)
(1)转而，相应地
(2) 轮流，依次，逐个
The theory is based on practice and in turn serves
practice.
The children made a speech in turn.
10. break down (p3 Line 28)
vi. 1)坏掉，出故障;
2)失败
3)垮掉，崩溃
vt. 使分解(为)，使变化(成)
11.impact (p3 Line 36)
这次事故对公司员工可能会有影响。
That accident may impact the company’s workers.
2)vt./vi有影响 ~ on/ upon sth ;
have / make an impact on sth. /sb. 对... 有影响
1)n.[C] 巨大影响，强大作用；撞击，冲撞
语法填空：
(1) What parents say and do will____________________
_________________(对...造成很大的影响)
their children.
(2) The tool is designed to soften the _________ of a car
crash.
这个工具是用来减轻汽车碰撞的冲击力的。
have/make
impact
a great impact on
(3) Such projects mean little unless they _________ people.
除非能对人们造成影响，否则这样的项目意义不大。
impact
12.damage (p3 Line 37)
(1) vt. 损害, 伤害, 毁坏
(2) n.[U] 损坏，破坏；损害，伤害
do/ cause damage to 对……造成伤害
Smoking seriously damages our health.
例： 吸烟严重损害健康。
Smoking causes serious damage to our health.
语法填空：
(1)The accident caused some_________(damage) to
my car, but it was nothing serious.
(2) His house_____________________(受损严重)in the
earthquake.
damage
was seriously damaged
consolidation
Phrases:
1. 是......的家园 ________________
2. 相应地，转而 ________________
3. 使分解(为） ________________
4. 以......为食 ____________
5. 给......带来起色，注入活力 ______________
6. 由于，因为 ____________
7.各种各样的 ______________
8.被称作 _________________
be home to
in turn
break down
feed on
bring life into
due to
a variety of
be known as
写作能力提升
单句写作---应用文增分练 （话题写作之人与环境）
1.众所周知，众多的人类活动对我们的地球造成了巨
大的危害。（harm)
As we all know, a great many human activities have done serious harm to our Earth.
2.比如全球变暖是由于温室气体排放的增加。(due to)
Global warming is due to the increasing emission of greenhouse gases.
3.所有这些反过来又会损害我们人类，如越来越多的
自然灾害和罕见的疾病。(in turn)
All these in turn will damage us human beings, such as more and more natural disasters and rare diseases.
4.是时候采取各种办法来保护地球免受污染了。(various)
It is high time to take various measures to protect the earth from pollution.
5.请牢记重建我们绿色清洁的地球需要我们大家
的共同努力和贡献。(call for)
Please keep in mind that rebuilding our green and clean earth calls for our joint efforts and contributions.
6.我们真诚地希望越来越多的人能参与到保护环境的
行动中来。(get involved in)
We sincerely hope more and more people get involved in environmental protection.
THANK YOU