Unit 4 Life on Mars Reading 2 课件（29张PPT）

(共29张PPT)
9B Unit 4 Reading 2
Life on another planet
Moving to Mars
Moving to Mars
Transport
Reason
Food…
Gravity
Life
Conclusion
Schools
The Earth is becoming more and more ____________ and _________ because of the _________ ________ ____ population. It is hoped that people could start ____________ on Mars. Here is what life could be like. With the ___________ of technology, _____________ 2100, the journey to Mars might only take about 20 minutes in spacecraft that travel _______________ light! And food would most ___________ be ____________ pills and would not be as ______ as that on the earth.
Test your memory
probably
polluted
rapid
increase
in
all over again
By the year
development
at the speed of
crowded
in the form of
tasty
The gravity on Mars is only about ____________ of that on the earth. People would have to wear boots that are __________ designed to prevent themselves from ______________ into space. _________ with life on the Earth, life on Mars would be better in some ways. People on Mars would have more space. They might live in houses _____ huge comfortable rooms. Also, robots would do most of their work ______ they could have more time to relax. And students would study at _______ schools with “e-teachers”. Life on Mars would be interesting __________ challenging.
Test your memory
three-eighths
specially
floating off
Compared
with
so that
online
as well as
Key words and phrases
crowd n. 人群，观众 v. 挤满；涌入（脑海）
crowded adj. 拥挤的 be crowded with
He pushed his way through the crowd.
Thousands of people crowded the narrow streets.
Memories crowded his mind.
London was very crowded.
In the spring the place is crowded with skiers.
Key words and phrases
polluted adj.被污染的 v. pollute n. pollution
The river has been polluted by the waste.
Polluted air is harmful to humans.
The level of pollution in the river was falling.
Key words and phrases
rapid adj. 快的，迅速的；adv. rapidly
rapid change/ rise/ increase/ decline/ growth
The patient made a rapid recovery.
Crime figures are rising rapidly.
Key words and phrases
increase v./ n. 增长
The rate of inflation increased by 2%.
The population has increased from 1.2 million to 1.8 million.
The company has a significant increase in sales this year.
Crime is on the increase.
Key words and phrases
large numbers of / a large number of +可数名词
the number of ……的数量
a great deal of/a large amount of/ large amounts of+不可数
Zhalong is a perfect place for large numbers of birds.
The number of the birds in the park is recorded every month.
Large amounts of money were wasted.
Key words and phrases
at a/ the speed of
at high/ low/ full speed
speed up speed-speeded(sped)-speeded(sped)
The plane is flying at a speed of 200 miles an hour.
The spacecraft would travel at the speed of light.
A car ran past at full speed.
Key words and phrases
probably adv. 很可能；大概 adj. probable
The two cases are most probably connected.
As you probably know, I’m going to be changing jobs soon.
It is highly probable that the disease has a genetic elements.
Key words and phrases
in the form of
They received a benefit in the from of a tax reduction.
Help in the form of money will be welcome.
Key words and phrases
specially adv. 特殊地，专门地
special adj.
especially adv. 尤其，特别(同类当中的突出性)
The ring was specially made for her.
We came specially to see you.
I love Rome, especially in the spring.
Key words and phrases
compare sth
compare A with/ to B A和B比较
compare A to B 把A比作B
The police compared the two reports carefully.
Was it fair to compare independent schools with state schools
I can only compare the experience to falling in love.
Key words and phrases
as well as 既…又，和；和……一样好
They visited the museum as well as the zoo.
Sam as well as his parents is likely to go on a trip to Paris.
Mary can draw Chinese paintings as well as Lily.
Our teachers are as good as our friends.
as good as 简直就是；和……一样
Key words and phrases
more and more crowded
越来越……
hotter and hotter
healthier and healthier
more and more interesting
more and more carefully
Key words and phrases
It is hoped/ believed/ said/ reported/ known that
人们希望/ 相信/ 据说/ 据报道/ 众所周知
It is hoped that more people can survive in the earthquake.
It is reported that the three astronauts will come back to the
earth soon.
Key words and phrases
so… that…./ such…that… 如此……以至于
… so that… 这样的话，以便于
The novel is so interesting that I have read it three times.
He spoke so fast that we couldn’t understand him.
3. They are such delicious cakes that I want to eat another two.
4. Tell me her address so that I can go and see her.
Key words and phrases
Compared with life on the earth, life on Mars…
过去分词作状语，表被动或完成
Compared with many people, she is really lucky.
Moved by the young man’s heroic deed, I couldn’t hold back
my tears.
Key words and phrases
I stood here, waiting for her.
Whenever he was asked why he was late, he would answer
carelessly, always saying the same thing.
They threw snowball at each other, screaming and laughing.
现在分词作状语，表主动或正在发生
Key words and phrases
one-fifth three-fifths
one quarter three quarters
Three-sevenths of the work has been finished.
three-eighths of that on the earth
Key words and phrases
that/ those 指代句中类似或相同的那一部分,that 指代可数
单数或者不可数名词，those指代名词复数。
1. The production of corn in my hometown 10 years ago was only
about three- tenths of that at present.
2. The books he bought are different from those he borrowed from
the library.
Key words and phrases
He played the lead role in the film based on the novel by Swift.
The girl sitting next to him is his girlfriend.
a computer connected to an interplanetary network
过去分词作后置定语，表被动或完成
单词填空
1. Nowadays, it’s not wise to give kids ____________(电子) goods
as their presents.
2. The task is a little more __________（有挑战性的） than I
thought, I will try hard to finish it.
3. —How can I get to the nearest post office from here
—It’s a long d_________ from here, you had better take a taxi.
4. This pair of shoes is _______________ (专门地) designed
for kids under 4 years old.
5. A lot of people are _______________(挤) over there.
What’s happening, do you know that
specially
electronic
istance
challenging
crowding
6. Compared with fresh food, d_____ food takes little place and
it’s hard to go bad.
7. The _________ of the moon is smaller than that of the earth. We
need to wear special boots to stop us moving away from the moon.
8. We all live on the Earth which is one of the eight ________ in
the solar system.
9. Look! Some fish are dead. The water in the river must be p_____.
10. She changed her clothes r_______（迅速地）and went outside.
ried
gravity
planets
olluted
apidly
1. This is a big class, and ______ of the students ______ boys.
A. two-third; are B. second-three; is
C. two-thirds; are D. two-three; is
2. Mr Hu spoke loudly_______ he could be heard clearly.
A. for example B. as a result
C. so that D. in order to
3. The teenager plays the piano_______, if not better than, Mike.
A. as good as B. as well as
C. as long as D. so well as
4. —_______ fine day it is today!
—Yes, the sunshine is_______ beautiful that I’d like to go swimming in the sea.
A. How; such B. What a; very
C. How; so D. What a; so
C
D
B
C
Homework
Finish the exercises on the Internet
Thank you