牛津译林版英语九年级下册同步课件Unit 4 period 3 Reading（2）（21张）
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| 名称 | 牛津译林版英语九年级下册同步课件Unit 4 period 3 Reading（2）（21张） |  | |
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| 资源类型 | 教案 | ||
| 版本资源 | 牛津译林版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-06-06 21:55:16 | ||
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(共21张PPT)
Unit 4 Life on Mars
Reading（2）
复习回顾
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.
crowded
polluted
Mars
passengers
journey
复习回顾
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.
form
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
Language points
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
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。
practice
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
对点练习
2. At present, our spacecraft are too slow to carry large numbers of people to Mars.
(1)...too +adj.+ to do 太…而不能
Sandy 太小了而不能去上学。
Sandy is too young to go to school.
... so ... that ...can't .... 如此…以至于…
Sandy is so young that she can't go to school.
... adj. +enough to do ... 足够…做…
Sandy is not old enough to go to school.
=
=
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。
=
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。
(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
对点练习
practice
3. By the year 2100, the journey might only take about 20 minutes in spacecraft that travel at the speed of light.
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 meters per second.
The cars are driving at high speed.
We should move at full speed.
at the speed of(…)
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：表示一时，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, 也可以用a quarter 和 three quarters表示。
如果分子大于1， 分母要用复数形式。如：
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
对点练习
5.Compared with life on Earth, life on Mars will be better in many ways.
compare: (v. 比较，对比)
compare with 把……相比较
compare ... to 意为“把……比作……”
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。
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
对点练习
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.
in the form of 以……形式
The farmers pay pitiful wages, often in the form of
food and clothes.
农场主支付的报酬少得可怜，还经常是以食物和衣
服的形式。
课堂练习
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 Translate 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
GOOD JOB
Unit 4 Life on Mars
Reading（2）
复习回顾
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.
crowded
polluted
Mars
passengers
journey
复习回顾
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.
form
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
Language points
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
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。
practice
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
对点练习
2. At present, our spacecraft are too slow to carry large numbers of people to Mars.
(1)...too +adj.+ to do 太…而不能
Sandy 太小了而不能去上学。
Sandy is too young to go to school.
... so ... that ...can't .... 如此…以至于…
Sandy is so young that she can't go to school.
... adj. +enough to do ... 足够…做…
Sandy is not old enough to go to school.
=
=
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。
=
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。
(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
对点练习
practice
3. By the year 2100, the journey might only take about 20 minutes in spacecraft that travel at the speed of light.
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 meters per second.
The cars are driving at high speed.
We should move at full speed.
at the speed of(…)
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：表示一时，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, 也可以用a quarter 和 three quarters表示。
如果分子大于1， 分母要用复数形式。如：
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
对点练习
5.Compared with life on Earth, life on Mars will be better in many ways.
compare: (v. 比较，对比)
compare with 把……相比较
compare ... to 意为“把……比作……”
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。
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
对点练习
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.
in the form of 以……形式
The farmers pay pitiful wages, often in the form of
food and clothes.
农场主支付的报酬少得可怜，还经常是以食物和衣
服的形式。
课堂练习
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 Translate 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
GOOD JOB