9B Unit 4 Life on Mars Reading 2 课件(32张PPT,内嵌音频)

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名称 9B Unit 4 Life on Mars Reading 2 课件(32张PPT,内嵌音频)
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科目 英语
更新时间 2020-05-20 16:07:16

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(共32张PPT)
九年级(下)Unit 4 Reading 2
Moving to Mars
Para 1
Para 2
Para 3
Para 4
Para 5
Para 6
Para 7

transport
food…
gravity
life
schools
reasons
feeling
Structure
The Earth is becoming more and more crowded and polluted __________ the _____________ in population. It is hoped that people could start ____________ on Mars. Here is what life there could be. __________ 2100, the journey to Mars might only take about 20 minutes in spacecraft that travel _____________ light! And food would most probably be ____________ pills and would not be so ______.
rapid increase
because of
all over again
By the year
at the speed of
in the form of
tasty
Consolidation
People would have to _______ boots that are specially designed to prevent themselves ________________ (float off )into space. At the same time, people on Mars would have more space. They might live in houses with huge comfortable rooms. Also, robots would do most of their work _______ they could have more time to relax. Life on Mars would be interesting __________ challenging.
from floating off
so that
as well as
wear
Consolidation
Words:
polluted rapid increase specially compare
Expressions:
at a/the speed of in the form of
large numbers of as well as…
Language points
Sentences:
It is hoped that…
Our spacecraft are too slow to carry…
The gravity on Mars is about three-eighths of that …
Compared with the life on the Earth, life on…
Every student …a computer …connected to an … network.


pollute vt.
polluted

adj.

un.
pollution
2). 如果我们不采取行动,白色污染会变得越来越严重。
If we drink the polluted water, we may get ill/sick.
1). 如果我们喝了这些被污染的水,我们可能会生病。
If we don’t take action, the white pollution will become more and more serious.
Words
pollute v.

rapid adj.
rapidly

adv.
2). 当时,这个国家正快速发展着。
The world is amazed at this country’s rapid economic development.
1). 世人惊讶于这个国家的快速的经济发展。
This country was developing rapidly at that time.
Words
rapid adj.

2). 这个地区的工业产量增长了2%。
The population continues to increase.
1). 人口持续增长。
This area’s industrial output increased by 2%.
Words
increase v.
3). 公司提高了汽车价格。
The company has increased the price of its cars.

2). 人口方面有了快速增长。
Crime is on the increase.
1). 犯罪活动在不断增多。
There has been a rapid increase in population.
Words
increase n.

specially adv.
special

adj.
2). 那份工作有什么特别有趣之处?
This is a soap specially designed for those with sensitive skin.
1). 这是一种专门为敏感肤质者设计的肥皂。
What is specially enjoyable about the job?
Words
specially adv.

2). 诗人把爱情比作玫瑰。
Compare the two paintings.
1). 比较这两幅画。
The poet compared love to a rose.
Words
compare v.
compare…with… 比较
compare…to… 比作…
Compare this painting with that one.

This tomato tastes sweet.
I tasted the wine the waiter had given.
This orange has a sweet taste.
He had a good taste in clothes.
link v. 尝起来 +adj.(做表语)
tasty adj. 可口的 taste vt. 品尝
n. 味道;品味


tasty adj.
Words

许多疑似病例( suspected cases) 正在接受医学观察(observation)。
a (large/great) number of + cn.(pl.)
= large/great numbers of + cn.(pl.)
大量的…,许多的… (作主语时,谓语动词用复数形式)

A great number of suspected cases are under medical observation.
Eg. Large numbers of people go travelling during the National
Day holiday.
large/great numbers of 大量的…,许多的…
Expressions

the number of… “…的数量”,
后跟名词复数,作主语时,谓语动词用单数
Eg. The number of the students in our class is 48.
支持韩红做慈善的人的数量变得越来越多。
The number of the people who support Han Hong to do charity (work) is becoming larger and larger.
large/great numbers of 大量的…,许多的…
Expressions

欢迎以钱的形式资助。
Help in the form of money will be welcome.
Eg. She told her past to us in the form of a story.
in the form of 以…的形式
Expressions

他们不但参观了动物园,还参观了博物馆。
They visited the museum as well as the zoo.
as well as 1).“和…一样好”, 2).连接两个主语
其他用法:
He speaks English as well as, if not better than, Mary.
Lily as well as her parents _____ (be) very fond of classical music.
is
as well as 不但…而且…,既…又…
Expressions

The car is moving at a speed of 100 kilometers per hour.
小汽车正以每小时100公里的速度行驶。
Expressions
at the/a speed of …. 以…的速度
speed v.
speed up 加速
除非加速,否则我将迟到。
I shall be late unless I speed up.
1. live on the planet
住在行星上
2. with the development of science and technology
随着科技的发展
3. by the year 2100
到2100年

Expressions
4. prevent people from floating off into space
防止人们漂浮到太空中
5. live in houses with huge comfortable rooms
住在有着又大又舒适的房间的房子里
6. survive without water, oxygen or food
没有水,氧气或食物而存活

The Earth, is becoming more and more crowded and polluted because of the rapid increase in population.
由于人口的快速增长,地球正变得越来越拥挤,越来越污染。
1).单音节或少数双音节形容词
stronger and stronger, easier and easier
2). 三个或三个以上音节的形容词, 二个或二个以上音节的副词
more and more beautiful, more and more quickly
healthier and healthier
more and more interesting
hotter and hotter
more and more famous
口头练一练,把下面的单词变成“越来越…”
healthy, interesting, hot, famous
Sentences
The Earth, is becoming more and more crowded and polluted because of the rapid increase in population.
由于人口的快速增长,地球正变得越来越拥挤,越来越污染。
Sentences
crowded adj. 拥挤的
crowd n.&v. (集合名词 )人群,拥挤

be crowded with 挤满
周末,这家购物商场里挤满了人。
The shopping mall is crowded with people on weekends.

It’s hoped/believed/said/reported that…
人们希望/相信/据说/据报导
据说,新型冠状病毒(2019-nCoV) 是由蝙蝠引起的。
It’s said that the novel coronavirus is caused by bats.
Sentences

Eg. The Math problem is too difficult for me to work out.
= The Math problem is ___ ______ that _ ____work ___out.
= The Math problem is _____ ______ ______ for me to work out.
not easy enough
too + adj./adv. +to so…that..(否定)
not +adj./adv. +enough +to.
so difficult I can’t it
At present, our spacecraft are too slow to carry large numbers of passengers to Mars.
目前,我们的宇宙飞船太慢了不能运载大量的乘客去火星。
Sentences




Our spacecraft are so slow that they can’t carry large numbers of passengers to Mars.
Our spacecraft are not quick enough to carry large numbers of passengers to Mars.
At present, our spacecraft are too slow to carry large numbers of passengers to Mars.
目前,我们的宇宙飞船太慢了不能运载大量的乘客去火星。
Sentences



Eg. I am too glad to help you with your English.
1). 如果too 后加上表示心情的形容词,如glad, pleased, happy, eager, kind等,此时too=very(很,非常),表示肯定意义。
Attention:

2). 当 和not, never连用时,表示 “再…也不为过”。
Eg. A woman can never have too many clothes.
You are never too old to learn.
Sentences

1). 此句中that 指代前面的gravity.
The gravity on Mars is only about three-eighths of that on the Earth.
火星上的重力大约只有地球上的八分之三。
that 特指,指代不可数名词或可数名词单数。
The population of China is larger than that of Japan.
你汽车的发动机比我的好。
The engine of your car is better than that/the one of mine.
The air on Mars is much thinner than that on the Earth.
Sentences
the one 特指,指代可数名词单数。

those=the ones 特指,指代可数名词复数。
他今天买的口罩比我昨天买的要贵。
The face masks he bought today were more expensive than those/the ones I bought yesterday.
Sentences
The gravity on Mars is only about three-eighths of that on the Earth.
火星上的重力大约只有地球上的八分之三。

2). 分数做主语,谓语动词看分数后修饰的名词。
Eg. One third of the students ______passed the exam. (have, has)
have
Two fifths of the work_____ done yesterday. (was, were)
was
Sentences
The gravity on Mars is only about three-eighths of that on the Earth.
火星上的重力大约只有地球上的八分之三。

1). 过去分词短语compared with life on the Earth在句中做状语。
Compared with life on the Earth, life on Mars would be better in some ways.
与地球上的生活相比,火星上的生活在有些方面要好些。
过去分词被动或完成
______(see) from the mountain, the town looks very beautiful.
Seen
Sentences
现在分词表主动或进行

1). 过去分词短语connected to an interplanetary network在句中做后
置定语,修饰computer.
Every student would have a computer at home connected to an interplanetary network.
每个学生家里都有一台电脑与星际网络连接。
过去分词表被动和完成 ;现在分词表主动和进行。
connecting
The high-speed railway __________ (connect) Shanghai to
Nanjing makes our travel faster.
Sentences

Every student would have a computer at home connected to an interplanetary network.
每个学生家里都有一台电脑与星际网络连接。
一部感人的电影
被感动的人们
a moving film
the moved people
正在沸腾的水
开水
the boiling water
the boiled water
Sentences
过去分词表被动和完成 ;现在分词表主动和进行。

1. 除非被邀请,否则我不会参加会议。

2. 猪肉的价格比鸡肉贵。

3. 昨晚我被阻止开车,因为我喝醉了。

4. 那个站在办公室的男生昨天被发现在厕所里吸烟。



Exercise
Unless (I am) invited, I won’t attend the meeting.


The price of pork is higher than that of chicken.


I was stopped/prevented/kept from driving because I was drunk last night.

The boy standing in the teachers’ office was found smoking in the toilet yesterday.