Unit 4 Life on Mars Reading 2课件(共30张PPT)
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| 名称 | Unit 4 Life on Mars Reading 2课件(共30张PPT) |  | |
| 格式 | ppt | ||
| 文件大小 | 308.5KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 牛津译林版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-04-28 19:15:07 | ||
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(共30张PPT)
Unit 4
Reading 2
Learning aims
1.To learn some language points in the text.
2.To be able to finish some exercises according to the text.
Revision A: Answer the following questions about the life on Mars.
When will people move to the planet Mars
Why will we leave our own planet Earth
How long does the spacecraft need to get to Mars at present
How long does the spacecraft need to get to Mars in the future
What would food on Mars be like
By the year 2100.
Because Earth is becoming more and more crowded and polluted.
It takes months.
About 20 minutes.
Food would probably be in the form of pills and would not be so tasty.
6. What will be a problem for people on Mars
7. How can people prevent this problem
8. What are the advantages for people on Mars
9.Which school would the students study at
10. Where should the students connect their computers
Gravity.
People will have to wear special boots to prevent themselves from floating off into space.
a. More space b. More time to relax c. No school.
They would study at online schools with"e-teachers".
They should connect their computers to an interplanetary network.
Revision B: Fill in the blanks with proper words.
Our own planet , earth , is becoming more and more ________ and _________. Hopefully, we can build a better world on _______ by the year 2100.
At present , our spacecraft are too slow to carry large numbers of ____________ to Mars. By 2100, the __________might take only 20 minutes in spacecraft that travel at the speed of light.
Food on Mars would probably be in the _______ of pills and wound not be so ________ as that on the Earth.
Gravity could be another problem for people on Mars. The gravity on Mars is only about______________ of that on the Earth . People on Mars have to wear special________ to prevent themselves from__________off into the space.
crowded
polluted
Mars
passengers
form
journey
tasty
three-eighths
boots
floating
1.Our own planet, the Earth, is becoming more and more crowded and polluted.
more and more crowded 越来越拥挤
more, most 放在多音节形容词、副词前面，帮助构成比较级和最高级。
如：more beautiful, most slowly
这里，more and more 用来加强程度，表示越来越怎么样。相当于：more crowded and more crowded
而短形容词则这样构成：bigger and bigger
越来越年轻
越来越快
越来越聪明
越来越细心
越来越好
越来越舒服
At the moment , I want you to say a sentence to praise(赞扬) your partner or your best friend with the “comparative + comparative ”.
comparative + comparative
越来越…
younger and younger
faster and faster
clever and clever
more and more careful
better and better
more and more comfortable
crowded用作形容词，意为“拥挤的”。
be crowded with意为“充满，挤满”。如：The room was crowded with guests.
房间里挤满了客人。
根据汉语意思完成句子。
1. The bus was so _________ (拥挤的) that I
didn’t get on it.
2. As we get nearer, the image becomes ________________ (越来越大).
crowded
bigger and bigger
2. 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，无法运送大批的乘客去火星。
Large numbers of 表示“大量的”
= a large number of
Large numbers of people go travelling during the National Day holiday.
(1)...too +adj.+ to do
Sandy 太小了而不能去上学。
Sandy is too young to go to school.
... so ... that ...can’t ....
Sandy is so young that she can’t go to school.
... adj. +enough to do ...
Sandy is not old enough to go to school.
=
=
It’s time for you to make sentences with the sentence structures above.
large numbers of 许多，大量，修饰______名词，做主语时，谓语动词常用______形式，相当于a lot of, many。
eg. Large numbers of birds fly to the south every winter.
(2) large numbers of ...
many
the number of ……的数目
后常接可数名词复数，做主语时，谓语动词常用单数形式。
(1)China has ______________ of people.
(2) _____________ of the population of china is 1.3 million.
(3) ____________ my friends came to my birthday party.
a (large) number
The number
A number of
=
可数
复数
eg.The number of tourists starts to tail off in October.
游客在十月份开始逐渐减少。
3. With the development of technology, by the year 2100, the journey might only take about 20 minutes in spacecraft that travel at the speed of light!
随着技术的发展，到2100年，乘坐以光速飞行的宇宙飞船，行程或许只要大约20分钟！
I was second in the race with a time of 14.2 seconds.
介词with短语，在句中常用作状语，表示原因、条件、时间、伴随、方式等。
我以14.2秒的成绩在比赛中位列第二。
光的速度是300,000,000 米每(per)秒.
汽车正高速行驶。
我们要全速前进。
The speed of the light is 300,000,000 meter per second.
The cars are driving at high speed.
We should move at full speed.
at the speed of(…)
By the time I got to the station the train had already gone.
by 表示“到...为止，截止... ”
等我到达火车站时，火车已经开走了。
at a/the speed of 表示“以……的速度”
The car is moving at a speed of 100 kilometres per hour.
小汽车正以每小时100公里的速度行驶。
4. The gravity on Mars is only about three-eighths of that on Earth.
Three-eighths 八分之三
分数在英语中通常是借助于基数词和序数词来共同表达的。其中基数词表示分子，序数词表示分母。如：
one-tenth 十分之一
a third 三分之一
注意：分子除用one外，也可用a；
two thirds 三分之二
four fifths 五分之四
但是，1/2不能说a (one) second, 而要说 a (one) half。1/4和3/4可以说 a (one) fourth 和 three fourths, 但常用a quarter 和 three quarters表示。
如果分子大于1， 分母要用复数形式。如：
选择题。
About ______ of the students are from foreign countries.
A. three four B. three fourth
C. third fourth D. three fourths
翻译句子。
我们班五分之三是女生。
_____________ the students in my class
________ girls.
Three-fifths of
are
The air on Mars is much thinner than that on the Earth.
在做比较时，我们常用that/those指代句中类似或相同的那一部分。此句中that指代前面的gravity.
火星上的空气要比地球上的稀薄的多。
5.Compared with life on Earth, life on Mars will be better in many ways.
compare: examine people or things to see how they are similar and how they are different (v. 比较，对比)
We carefully compared the first report with the second.
我们仔细的对第一份报告和第二份报告进行了对比。
compare with 把……相比较
拓展：
compare ... to 意为“把……比作……”。
Shakespeare compared the world to a stage.
莎士比亚把人世比作舞台。
用compare with 和 compare to
的正确形式填空。
He cannot _____________ Shakespeare
as a writer of tragedies.
2. You cannot _________ this war _____ the
Vietnam war (越南战争).
compare with
compare to
Life on Mars would be interesting as well as challenging.
火星上的生活，不仅有挑战性，还很有趣。
I want to visit Andrew as well as Martin.
as well as 意思为“不但……而且……”
我想去拜访安德鲁，还有马丁。
She shares (in) my troubles as well as my joys.
她与我同甘共苦。
6.Life on Mars would be better in some ways.
在很多方面我们都做的很好。
We did well in many ways.
in some ways;
in many ways; by the way
(1). __________, do you know how to get to Xishanqiao school
(2). You are very clever, you are right ___________.
(3). It is a good idea to work alone ____________.
By the way
in many ways
in some ways
7.Food would most probably be in the form of pills and would not be so tasty.
as + adj. / adv. + as
Amy 和sandy 一样苗条。
Amy 跳舞没有Sandy跳得优美。
Amy is as slim as Sandy.
Amy doesn’t dance as/so beautifully as Sandy.
not as / so + adj. / adv.+ as
in the form of 以……形式
Discussion about life on Mars
☆ Not crowded/polluted
☆ Have more space
☆ Robots will do our work.
☆ Students will study at
home.
☆ People will have more
time to relax.
☆ People will wear
special designed boots.
☆ No traffic jam
…
◇ Low gravity
◇ Food doesn’t taste
good
◇ Travel will make
people feel sick.
◇ Money is not important
◇ Far away from friends on Earth
…
Advantages
Disadvantages
Every group , please give a report.
Do More exercises.
Translate the following phrases.
以光速运行 ______________________
2.在很多方面 ___________
飘进太空 _________________
4.现在，目前 ________________________
5.compare with ________
6.large numbers of _____________
travel at the speed of light
in many ways
float off into space
at present
与…比较
许多的， 大量的
B. Fill in the blanks with the correct forms
of the words in the brackets
We had a _______ meal with her last night. (taste)
The river has been ________ by waste water from the factory. (pollution)
We will be a bit _______ in that small room .(crowd)
Humans on Mars have to wear special shoes to prevent themselves from_______ .(float)
tasty
polluted
crowded
floating
Post-taskTranslate the following sentences.
1. 我只能跑到刘翔一半的速度。
I can run only__________________________.
2. 这个孩子太矮了，他够不着桌子上的苹果。
The child is ___________ reach the apples on the table.
3. 我们学校的学生人数只是他们的五分之二。
The number of students in our school is only
____________________ in their school.
4. 食物将会是药片形状的而且不像今天的那么味道好。
Meals will __________________ and won’t ____________ they are today.
at half the speed of Liu Xiang
too short to
two-fifths of that
be in the form of pills
be as tasty as
Task 2:Feedback the learning aims
1.To learn some language points in the text.
2.To be able to finish some exercises according to the text.
Thank you !
Unit 4
Reading 2
Learning aims
1.To learn some language points in the text.
2.To be able to finish some exercises according to the text.
Revision A: Answer the following questions about the life on Mars.
When will people move to the planet Mars
Why will we leave our own planet Earth
How long does the spacecraft need to get to Mars at present
How long does the spacecraft need to get to Mars in the future
What would food on Mars be like
By the year 2100.
Because Earth is becoming more and more crowded and polluted.
It takes months.
About 20 minutes.
Food would probably be in the form of pills and would not be so tasty.
6. What will be a problem for people on Mars
7. How can people prevent this problem
8. What are the advantages for people on Mars
9.Which school would the students study at
10. Where should the students connect their computers
Gravity.
People will have to wear special boots to prevent themselves from floating off into space.
a. More space b. More time to relax c. No school.
They would study at online schools with"e-teachers".
They should connect their computers to an interplanetary network.
Revision B: Fill in the blanks with proper words.
Our own planet , earth , is becoming more and more ________ and _________. Hopefully, we can build a better world on _______ by the year 2100.
At present , our spacecraft are too slow to carry large numbers of ____________ to Mars. By 2100, the __________might take only 20 minutes in spacecraft that travel at the speed of light.
Food on Mars would probably be in the _______ of pills and wound not be so ________ as that on the Earth.
Gravity could be another problem for people on Mars. The gravity on Mars is only about______________ of that on the Earth . People on Mars have to wear special________ to prevent themselves from__________off into the space.
crowded
polluted
Mars
passengers
form
journey
tasty
three-eighths
boots
floating
1.Our own planet, the Earth, is becoming more and more crowded and polluted.
more and more crowded 越来越拥挤
more, most 放在多音节形容词、副词前面，帮助构成比较级和最高级。
如：more beautiful, most slowly
这里，more and more 用来加强程度，表示越来越怎么样。相当于：more crowded and more crowded
而短形容词则这样构成：bigger and bigger
越来越年轻
越来越快
越来越聪明
越来越细心
越来越好
越来越舒服
At the moment , I want you to say a sentence to praise(赞扬) your partner or your best friend with the “comparative + comparative ”.
comparative + comparative
越来越…
younger and younger
faster and faster
clever and clever
more and more careful
better and better
more and more comfortable
crowded用作形容词，意为“拥挤的”。
be crowded with意为“充满，挤满”。如：The room was crowded with guests.
房间里挤满了客人。
根据汉语意思完成句子。
1. The bus was so _________ (拥挤的) that I
didn’t get on it.
2. As we get nearer, the image becomes ________________ (越来越大).
crowded
bigger and bigger
2. 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，无法运送大批的乘客去火星。
Large numbers of 表示“大量的”
= a large number of
Large numbers of people go travelling during the National Day holiday.
(1)...too +adj.+ to do
Sandy 太小了而不能去上学。
Sandy is too young to go to school.
... so ... that ...can’t ....
Sandy is so young that she can’t go to school.
... adj. +enough to do ...
Sandy is not old enough to go to school.
=
=
It’s time for you to make sentences with the sentence structures above.
large numbers of 许多，大量，修饰______名词，做主语时，谓语动词常用______形式，相当于a lot of, many。
eg. Large numbers of birds fly to the south every winter.
(2) large numbers of ...
many
the number of ……的数目
后常接可数名词复数，做主语时，谓语动词常用单数形式。
(1)China has ______________ of people.
(2) _____________ of the population of china is 1.3 million.
(3) ____________ my friends came to my birthday party.
a (large) number
The number
A number of
=
可数
复数
eg.The number of tourists starts to tail off in October.
游客在十月份开始逐渐减少。
3. With the development of technology, by the year 2100, the journey might only take about 20 minutes in spacecraft that travel at the speed of light!
随着技术的发展，到2100年，乘坐以光速飞行的宇宙飞船，行程或许只要大约20分钟！
I was second in the race with a time of 14.2 seconds.
介词with短语，在句中常用作状语，表示原因、条件、时间、伴随、方式等。
我以14.2秒的成绩在比赛中位列第二。
光的速度是300,000,000 米每(per)秒.
汽车正高速行驶。
我们要全速前进。
The speed of the light is 300,000,000 meter per second.
The cars are driving at high speed.
We should move at full speed.
at the speed of(…)
By the time I got to the station the train had already gone.
by 表示“到...为止，截止... ”
等我到达火车站时，火车已经开走了。
at a/the speed of 表示“以……的速度”
The car is moving at a speed of 100 kilometres per hour.
小汽车正以每小时100公里的速度行驶。
4. The gravity on Mars is only about three-eighths of that on Earth.
Three-eighths 八分之三
分数在英语中通常是借助于基数词和序数词来共同表达的。其中基数词表示分子，序数词表示分母。如：
one-tenth 十分之一
a third 三分之一
注意：分子除用one外，也可用a；
two thirds 三分之二
four fifths 五分之四
但是，1/2不能说a (one) second, 而要说 a (one) half。1/4和3/4可以说 a (one) fourth 和 three fourths, 但常用a quarter 和 three quarters表示。
如果分子大于1， 分母要用复数形式。如：
选择题。
About ______ of the students are from foreign countries.
A. three four B. three fourth
C. third fourth D. three fourths
翻译句子。
我们班五分之三是女生。
_____________ the students in my class
________ girls.
Three-fifths of
are
The air on Mars is much thinner than that on the Earth.
在做比较时，我们常用that/those指代句中类似或相同的那一部分。此句中that指代前面的gravity.
火星上的空气要比地球上的稀薄的多。
5.Compared with life on Earth, life on Mars will be better in many ways.
compare: examine people or things to see how they are similar and how they are different (v. 比较，对比)
We carefully compared the first report with the second.
我们仔细的对第一份报告和第二份报告进行了对比。
compare with 把……相比较
拓展：
compare ... to 意为“把……比作……”。
Shakespeare compared the world to a stage.
莎士比亚把人世比作舞台。
用compare with 和 compare to
的正确形式填空。
He cannot _____________ Shakespeare
as a writer of tragedies.
2. You cannot _________ this war _____ the
Vietnam war (越南战争).
compare with
compare to
Life on Mars would be interesting as well as challenging.
火星上的生活，不仅有挑战性，还很有趣。
I want to visit Andrew as well as Martin.
as well as 意思为“不但……而且……”
我想去拜访安德鲁，还有马丁。
She shares (in) my troubles as well as my joys.
她与我同甘共苦。
6.Life on Mars would be better in some ways.
在很多方面我们都做的很好。
We did well in many ways.
in some ways;
in many ways; by the way
(1). __________, do you know how to get to Xishanqiao school
(2). You are very clever, you are right ___________.
(3). It is a good idea to work alone ____________.
By the way
in many ways
in some ways
7.Food would most probably be in the form of pills and would not be so tasty.
as + adj. / adv. + as
Amy 和sandy 一样苗条。
Amy 跳舞没有Sandy跳得优美。
Amy is as slim as Sandy.
Amy doesn’t dance as/so beautifully as Sandy.
not as / so + adj. / adv.+ as
in the form of 以……形式
Discussion about life on Mars
☆ Not crowded/polluted
☆ Have more space
☆ Robots will do our work.
☆ Students will study at
home.
☆ People will have more
time to relax.
☆ People will wear
special designed boots.
☆ No traffic jam
…
◇ Low gravity
◇ Food doesn’t taste
good
◇ Travel will make
people feel sick.
◇ Money is not important
◇ Far away from friends on Earth
…
Advantages
Disadvantages
Every group , please give a report.
Do More exercises.
Translate the following phrases.
以光速运行 ______________________
2.在很多方面 ___________
飘进太空 _________________
4.现在，目前 ________________________
5.compare with ________
6.large numbers of _____________
travel at the speed of light
in many ways
float off into space
at present
与…比较
许多的， 大量的
B. Fill in the blanks with the correct forms
of the words in the brackets
We had a _______ meal with her last night. (taste)
The river has been ________ by waste water from the factory. (pollution)
We will be a bit _______ in that small room .(crowd)
Humans on Mars have to wear special shoes to prevent themselves from_______ .(float)
tasty
polluted
crowded
floating
Post-taskTranslate the following sentences.
1. 我只能跑到刘翔一半的速度。
I can run only__________________________.
2. 这个孩子太矮了，他够不着桌子上的苹果。
The child is ___________ reach the apples on the table.
3. 我们学校的学生人数只是他们的五分之二。
The number of students in our school is only
____________________ in their school.
4. 食物将会是药片形状的而且不像今天的那么味道好。
Meals will __________________ and won’t ____________ they are today.
at half the speed of Liu Xiang
too short to
two-fifths of that
be in the form of pills
be as tasty as
Task 2:Feedback the learning aims
1.To learn some language points in the text.
2.To be able to finish some exercises according to the text.
Thank you !