牛津译林版（2019）必修 第三册Unit 1 Nature in the balance Reading 2 课件(共37张PPT)

(共37张PPT)
Reading(Ⅱ)
Language points
Unit 1 Nature in the balance
The rainforest is on fire!
Can we afford to damage the lungs of the planet Why
Post reading
No. The Amazon rainforest is far too important for us to allow it to be destroyed. It helps maintain the balance of the ecosystem and provides our society with food and medicine.
Read and underline the following key words or expressions.
1. be alive with 2. play a significant role in … 3. more than half the size of …
4. in length 5. roughly 6. biodiversity
7. unbelievable 8. variety 9. towering
10. be home to …
Read and underline the following key words or expressions.
11. feed on 12. in turn 13. break down
14. the earth 15. breathe life into … 16. irreplaceable
17. impact 18. extinction
1. … alive with the sounds of animals. (line 1)
be alive with: be full of 充满，到处都是（活的或动的东西）
alive/living/live/lively
alive: 活着的。一般作表语，也作主补或宾补keep a tradition alive；
living: 活着的。一般作前置定语；the living表“活着的人”；
all living things 所有生物
live: 活着的，现场直播的。表“活着的”时，一般作前置定语，且一般用于动物live animals 活动物; live coverage现场直播
lively: 活泼的，生动的。
The enemy officer was caught _________.
We found the snake__________.
The ________ are more important to us than the dead.
The club has ______________ music most nights .
Young children are usually ___________.
商店里到处都是五彩缤纷的装饰，我们都不知道先往哪里看。
译：The store ______ ______ ______ colorful decorations and we didn’t know where to look first.
Practice makes perfect.
请用 alive\live\lively\living\be alive with填空
alive
living
live
lively
alive
was alive with
2. …it plays a significant role in… (line 2)
play a significant role in…在……(方面)发挥重要的作用
play a/an important/vital/critical/crucial role in…
翻译：良好的语言学习习惯与态度对于掌握语言至关重要.
Positive study habits and attitudes play a crucial role in language learning.
3. … is more than half the size of China. (line 6)
倍数的常用表达方式
A+be+倍数+the+名词（size/length/width/height）+ of + B.
A+be+(n-1)倍数+比较级+than B.
A+be+倍数+as+形容词原级+as+B.
A+be+倍数+what从句.
The size of the newly broadened library is three times what the previous one was.
The newly broadened library is ___________________ the previous one.
2. The newly broadened library is ___________________
the previous one.
The newly broadened library is ___________________
the previous one.
Practice makes perfect.
twice larger than
请改写所给的句子。
three times as large as
three times the size of
4. … in length--roughly 100 kilometres … (line 8)
adv. approximately but not exactly 大约；大致
adv. not being careful and gentle 粗鲁地
adv. in a way that does not leave a smooth surface粗糙地
roughly speaking 大致来说
5. … the richest biodiversity on the Earth…(line 10)
n. the existence of a large number of different kinds of animals and plants which make a balanced environment生物多样性
diverse adj.各种各样的
diversify v. 使多样化;扩大业务范围
1. The building houses a wide and __________(diversity) variety of antiques.
2. The lecture focuses on the cultural __________(diverse) of Latin America.
3. There is a need for _________(great) diversity and choice in education.
4. Manufacturers have been encouraged ___________(diversify) and improve quality.
Practice makes perfect.
diverse
diversity
greater
to diversify
6….an unbelievable variety of...(line 15)
adj. impressive,incredible 难以置信的
adv. unbelievably
It is unbelievable that…令人震惊的是……
We had _______ unbelievable time in Paris.
________ is unbelievable that he can accept this sort of behavior.
What you did was ___________(unbelievable) stupid.
Practice makes perfect.
an
It
unbelievably
7. ... the towering ancient hardwoods, ... (line 17)
adj. extremely tall or high and therefore impressive高大的，屹立的
adj. of extremely high quality 卓越的，杰出的
tower n. a tall narrow building 塔
tower v. to be much higher or taller than the people or things that are near 高于，超过
tower v. to be much better than others in ability 胜过
tower above/over sb./sth.
He stood up and ________(tower) over her.
He remains a ___________(tower) figure in rock and roll.
Can you see several towering ________(cliff) over there
Practice makes perfect.
towering
towered
cliffs
8. … home to different kinds of …(line 19)
home
n. the place where a plant or animal usually lives 栖息地
adj. 家庭的，家用的，本国的，主场的
home and abroad 国内外
homely adj. 相貌平平的；犹如在家的;热情友好并热衷家庭生活的
be home to 是....的乐园/家园
To put it simply, charging tourists from home and abroad __________(different) is far from fair.
The man was _________(home) and overweight.
Sit down and make __________(you) at home.
Is the match on Saturday at home _______ away
星期六的比赛是在主场还是在客场？
Practice makes perfect.
homely
yourself
differently
or
9. … in turn, feed on insects…(line 33)
in turn 依次；轮流，反过来
feed on 以……为食
eg,
We look after him in turn
10. …break down its body…to the earth…(line 28)
break down 出故障；（讨论）失败；分解；崩溃
earth n. the substance on the land surface or the earth土壤
on earth 到底，究竟
break in 破门而入，打断
break into…破门而入，突然……起来
break out 爆发
break up （关系）破裂
11. …these irreplaceable plants …(line 33)
adj. too valuable or special to be replaced不可替代的
replace-replaceable-irreplaceable
He could see I was not so __________(easy) replaceable.
They are priceless, unique and ____________(replaceable).
Education plays ______ irreplaceable role in one’s life.
The harsh reality(残酷的现实) is _______ nobody is irreplaceable.
Practice makes perfect.
irreplaceable
an
easily
that
12. …in danger of extinction…(line 37)
n. a situation in which a plant or an animal stops existing 灭绝, 绝种，消亡
extinct adj. 绝种的，不复存在的；死的（火山）
Their jobs are faced with _________(extinct) as a result of declining sales.
Many of the rain forest animals may become _________(extinction) in less than 10 years.
__________ is known to all, the panda is in danger of extinction.
________is known to all that the panda is in danger of extinction.
Practice makes perfect.
extinct
As
extinction
It
Analysis on difficult sentences.
1. The Amazon River, from which the rainforest gets its name, is close to 6400 kilometres in length---roughly 100 kilometres longer than the Yangtze River. (lines 7-8)
思考：为什么用from which
首先，受短语get its name from…的影响，需用介词from;另外，此处构成介词+关代的结构，先行词为The Amazon River，故用from which。
Sentence Analysis
1. Let us not, however, flatter ourselves overmuch on account of our human victories over nature. For each such victory nature takes its revenge on us.
但是我们不要过分陶醉于我们人类对自然界的胜利。对于每一次这样的胜利，自然界都对我们进行报复。
2. Welcome to the jungle, a huge sea of green alive with the sounds of animals.
欢迎来到这片丛林，这是一片绿色的海洋，到处都可以听到动物发出的声音。
3. Each level of the forest forms its own little world, home to different kinds of living things.
雨林的每一层都形成了自己的小世界，成为各种生物的家园。
Sentence Translation
4. While a significant number of jaguars survive here, they are only one element of this forest’s food chain.
尽管相当多的美洲豹在这里生存，但它们只是这个雨林食物链的一个要素。
5. When a jaguar dies, a tiny army of microorganisms helps break down its body and return the nutrients to the earth.
美洲豹死后，一小支微生物军队会助力其尸体的分解，让营养成分重回土壤之中。
6. As the impact of human activities continues to grow and the list of species in danger of extinction becomes longer, we are left with a question: can we afford to damage “the lungs of the planet”
随着人类活动的影响不断增加，濒危物种的名单越来越长，这就留给我们一个问题：我们能承担起损害“地球之肺”的后果吗？
Further Consolidation on the text.
________ the largest rainforest in the world, it plays ________ significant role in maintaining the fine balance of the _________(Earth) ecosystem.
The Amazon River, from ________ the rainforest gets its name, is close to 6400 kilometres ______ length.
One in ten ________(know) species in the world can be found here.
These water lilies are big enough ________(lie) down on.
The forest’s different levels support an ____________(believe) variety of wildlife.
Unit 1
As
Earth’s
which
known
Text Review
unbelievable
to lie
an
in
6. Then there are the ________(tower) ancient hardwoods.
7. Each level of the forest forms its own little world, home _______ different kinds of living things.
8. They feed _____ at least 87 species, ________(include) frogs.
9.Yet there is one major danger to these __________(replace) plants and animals: us.
10. Over the past 50 years, about 17 percent of the rainforest _______________(disappear) due to human activities.
towering
on
to
including
irreplaceable
has disappeared
11. As a result, most of the forest’s nutrients are locked up in the plants themselves, thus _________(allow) them to grow _______an unbelievable speed.
allowing
at
B1 on P5
variety
agriculture
survive
impact
5. due to
6. are broken down
7. beneath
8. thus
Unit 1