牛津初中英语译林版9B Unit4 Life on MarsReading2 课件

课件23张PPT。9B Unit 4 Life on MarsReading Ⅱimagine (line 1)
imagine用作动词，意为“想象, 设想”。
You can hardly imagine their surprise at
hearing the news.
你想象不到他们听了这消息有多么吃惊。
I didn’t imagine becoming an editor in my
childhood.
在孩提时代，我并未想象成为一名编辑。完成下列句子。
1. Can you _________ (想象) what it must
be like to lose your job after 30 years?
2. Nobody can __________ (想象) what life
will be like in a hundred years.imagineimagineOur own planet, 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, more 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
例如：bigger and bigger 越来越大crowded用作形容词，意为“拥挤的”。
拓展：
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). crowdedbigger and biggerAt present, our spacecraft are too slow to carry large numbers of people to Mars---it takes months.at present 目前，现在
Eg. He is all right at present.
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.可数复数拓展：
The number of tourists starts to tail off in October.
游客在十月份开始逐渐减少。
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。用括号里的词的正确形式填空。
1. The number of tourists ________ (start) to tail off in October.
2. A number of new products ____________ (be) successfully produced.
3. She has written a great number of _________ (article) for the local paper.startshave beenarticlesThe 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. (2011山东东营)
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 ofareCompared 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 withcompare toEvery student will have a computer at home connected to an interplanetary network. 每个学生在家里有一台连接星际网络的电脑。
connect to 意思是“与……连接”。这里的connected to 是过去 分词后置作定语,
修饰computer。
eg 江阴大桥把江阴和靖江连接了起来。
Jiangyin Bridge connects Jiangyin to
Jingjiang.Tips for teacherLet the word fly 板块是帮助学生学习一些一词多义、熟词生义的词汇。通过此环节，学生可以对一些常见词的用法、意思有一个全面的了解。在翻译过程中体会词汇使用的丰富多彩。Let the word flyPlease guess the meanings of ‘develop’:
We must develop the natural resources of our country.
James has developed into a charming young man.
Scientists are developing new drugs to treat this illness.
Can you develop this film for us?v. 开发v. 使长成v. 研发v. 冲印Translation the English sentences into Chinese. A child develops rapidly between the
ages of 13 and 16.
2. We must do our best to develop the
national economy.
3. He has found a new way to develop
films.
4. I developed a cold last week.孩子们在13-16岁之间成长的很快。
我们必须努力发展国民经济。
他发现了一种新的冲洗底片的方法。
上周我感冒了。I. 用括号内所给词的适当形式填空。
There is less air ________ (pollute) in
town that in the city.
2. Look at the newest T-shirt. It’s made
of cotton. I think it will become
__________ (fashion) this summer.
3. It’s ______(high) possible that people
can live on Mars in the future.
4. Grandma is too old _______ (settle)
on another planet.pollution fashionablehighly to settle5. The helmet is made of metal. It’s too
heavy. When I wear it, I feel
_____________ (comfort).
6. My father cooks very well. The food
he cooks is as ______ (taste) as that
in the restaurant.
7. Here are many kinds of moon cakes
for you_________ (choose) from.uncomfortable tastyto choose 8. __________ (compare) with what he
had already, the new stamps were not
very interesting.
9. _________ (hope), doctors have
found a new way to operate on the
patients --- flying hospital.
10. We should keep water from
______ (be) polluted.Compared Hopefully beingII. 将下列句子译成英语。
1. 三分之一的学生对学英语感兴趣。
__________ of the students _________
interested in __________ English.
2. 我们不能想象到2105年生活会是什么
样子。
We can’t __________ __________ life
__________ _________ like _________
the year 2105. One-thirdsarelearning imagine what
will be by3. 许多动物濒临灭绝。大熊猫的数量不
超过1000。
________ _________ ______ animals
_______ in danger. And _______
_______ ________ giant pandas
__________ less than 1000.
4. 江苏比上海人口多。
The ___________ of Jiangsu
__________ ________ than that of
Shanghai.Large numbers of
are the
number of
is population
is more5. 地球的三分之二被水覆盖。
_________ __________ of the earth
______ _______ ______ water.
6. 我们小心地把第一个报告和第二个进
行了对比。
We carefully ___________ the first
report ___________ the second. Two thirds
is covered by compared
with