牛津译林版（2019）必修 第三册Unit 1 Nature in the balance Reading 语言点课件(共25张PPT)

(共25张PPT)
Reading 2
B3U1
Lead in
Do you know these animals
What do they have in common
Lead in
Because they are all endangered and close to extinction.
Why they are endangered
Self study
Try to translate these following sentences.
Welcome to the jungle, a huge sea of green alive with the sounds of animals.
2. As the largest rainforest in the world, it plays a significant role in maintaining the fine balance of the Earth’s ecosystem
3. These frogs, in turn, feed on insects which eat leaves and fruit.
Guidance & Exploration
1. Welcome to the jungle, a huge sea of green alive with the sounds of animals.
欢迎来到丛林，一片充满动物声音的绿色海洋。
a sea of: __________________________________
e.g. He looked down and saw a sea of smiling faces.
(be) alive with: ____________________________
e.g. The pond was alive with frogs.
池塘里都是青蛙。
be alive with happiness ______________
a large amount of sth. 大片的，成片的
充满，到处是(活的或动的东西)
幸福的活着
2. Different levels support an unbelievable variety of wildlife.
variety n.__________→__________adj.
a variety of _________=__________
We can see that a variety of techniques ____ used in
the painting.
A variety of food ____ sold at this supermarket.
多种多样
各种各样的
various
varieties of
后可接单/复名词
vary v. 相异,不同,各种各样的
are
is
With the development of economy, there are _____ goods in stores, ____________daily groceries ____ luxury goods (奢侈品), which greatly enrich people’s life. In addition, the goods _____ _____ the season in _________ and quantity.
vary; vary from…to…; vary with; variety; various
various
varying from
to
vary with
variety
3. These frogs, in turn, feed on insects which eat leaves and fruit.
in turn
①相应地,转而
e.g. Increasing production costs will, in turn, lead to higher prices.
② 依次
e.g. There were cheers for each of the women as they spoke in turn.
turn:___________
旋转，改变方向
turn up / turn down
turn on / turn off / turn out
【拓展】
in one’s turn ______________________
take turns to do sth./ (in) doing sth. ____________
It’s one’s turn to do sth. _____________________
It will be _______________to be on duty tomorrow.
The students were _____________________ aloud.
I think ______________ drive the kids to school this week.
轮到某人；接着
轮流做某事
轮到某人做某事
in Tom’s turn
taking turns reading
it's our turn to
4. …a tiny army of microorganisms helps break down its body and …
break down:分解； 损坏；失败，破裂，失灵；情不自禁地哭起来
The report breaks down the results region by region.
Their car broke down.
Talks with business leaders broke down last night.
Paola's marriage broke down.
He broke down and wept when he heard the news.
分解，分成…
损坏
破裂
破裂，失败
情不自禁的哭
5. As the impact of human activities …, we are left with a question: can we afford to damage the …
impact n. 作用，影响; 冲击力，撞击力撞击；
New technologies has an impact on teaching methods.
The impact of the blow knocked Jack off balance.
impact v. 有影响；冲击
impact on/upon 对……产生影响
Her father’s death impacted greatly on/upon her
childhood years.
影响
撞击
= influence/effect
has an influence on
damage v. to cause physical harm to sth. or to part of sb's body 损害, 损坏, 损伤
His house was badly damaged in the earthquake.
damage n. 损坏，破坏；损害，伤害
do/ cause damage to 对……造成伤害=_____________
The disease can cause serious damage to the brain.
这种疾病会对大脑造成严重损伤。
do harm to
harm/hurt/injure
Summary
do damage to
impact
due to
break down
in turn
alive with
a sea of
variety
play a role
1．What's the main idea of the passage
A．The Amazon rainforest is the largest rainforest in the world.
B．The Amazon rainforest gives the richest biodiversity on the earth.
C．The Amazon rainforest is a natural treasure house on the earth.
D．The Amazon rainforest is known as the “lungs of the planet”．
2．Which of the following statements about the Amazon rainforest is TRUE according to the passage
The Amazon rainforest plays an important part in keeping the balance of human and nature.
B．The Amazon rainforest crosses into seven countries，including
Brazil and Peru.
The area of the Amazon rainforest is around 6 million square meters，more than half the size of China.
D．The Amazon rainforest is named after the Amazon River,which
is close to 6，400 kilometers in length.
3．What can be inferred from the third paragraph in the passage
A．There are only 390，000 species of plants on the earth.
B．Different species of plants in Amazon rainforest grow in different levels.
C．At the bottom of the Amazon rainforest grow some bushes.
D．The ancient Brazil nut tree and the water lilies are living in the same level.
4．The author uses the example of “jaguars” in Paragraph 4___．
A．to prove that some rare animals are still found in the rainforest
to show that they are only one element of this rainforest's food chain
to explain how the food chain is formed
D．to warn readers to protect the animals from being damaged in the rainforest
5．What's the style of the passage
A．Advertisement.　
B．Travel journal.
C．Experiment report.
D．Documentary script.
Consolidation
due to, in turn,　break down,　breathe life into,　build up,　be home to, play a significant role in,　
be known as,　a variety of,　be alive with　
1. The project had to be stopped ______a lack of funding.
2. Poetry and theatre _____________________our daily life.
3. Increased production will of course ______lead to increased profits.
due to
play a significant role in
in turn
due to, in turn,　break down,　breathe life into,　
build up,　be home to, play a significant role in,　
be known as,　a variety of,　be alive with　
4. Which one would you like to buy
We have __________pens here for you to choose from.
5. Dr Li __________a hero, who will be remembered by us forever.
a variety of
is known as
6. A tiny army of microorganisms will ___________a jaguar’s body when it dies.
7. The company _____________since new talent was introduced.
8. It was the readers who _________________a newspaper with their letters several years ago.
break down
has built up
breathed life into
due to, in turn,　break down,　breathe life into,　
build up,　be home to, play a significant role in,　
be known as,　a variety of,　be alive with　
9. The pond _______________frogs.
10. Large qualities of land in the area have been reserved for national parks these years, which ___ now __________bears, wolves and other wild animals.
was alive with
are
home to
due to, in turn,　break down,　breathe life into,　
build up,　be home to, play a significant role in,　
be known as,　a variety of,　be alive with　
THANK YOU
B3U1