牛津译林版英语九年级下册Unit4 Reading精品课件

1、Reading Unit4 Life on Mars初中英语译林版九年级Words and Expressionsplanetcrowdedpollutedrapidincrease(all) over againpassengerall a/the speed ofn. 行星adj. 拥挤的adj. 被污染的adj. 快的，迅速的n. 增加再；重新n. 乘客以的速度uncomfortableoxygenin the form oftastyspeciallyfloatcomparecompare to/withadj. 使人不舒服的；不适的n. 氧气以的形式adj. 味道好的adv. 专门地

2、，特地vi. 飘浮；漂浮vt. & vi. 比较与相比Words and Expressionsinterplanetarynetworkchallengingrapidlyadj. 行星间的n. 网络adj. 挑战性的adv. 快地，快速地Words and Expressions1. To learn something about life on Mars2. To learn the words and phrases in this passageWords:planet polluted rapid increasepassenger rapidly tasty comparePh

3、rases:all over again at a/the speed ofin the form of compare to/withPatterns:It is hoped thatHere is what life there could be like.Our spacecraft are too slow to carryRobots would do most of their work so thatDo you think it is possible for human beings to live on Mars?Discussioncrowded_rapid _popul

4、ation _all over again_passenger_tasty_specially_compare_A for one purposeB a second time from the beginC decide in what way things are similar or differentD having a nice tasteE full of peopleF happening in a short period of timeG a person who rides in a car, bus, train, etc. but does not drive itH

5、the total number of people in an area, a country, etc.Presentation: Match the words with the meaningsEFHBGDACMatch the keywords with the links. Write the correct letters in the blanks.crowded planetspace housesspacecraftrobot on Marsspeed bootsonline teacher123456 a Need someone to teach you any tim

6、e, any place? b Living in a space house is fun. c All about the newest spacecraft that travel in space. d Our shoes can make you walk faster! e Robots could be of great help to people on Mars. f The population on the Earth is still increasing rapidly.+fcdabeRead and chose the best answer.1 Why would

7、 people move to Mars? a The Earth is crowded and polluted. b People want to make friends with those from another planet. c Flying to Mars would be fun.2 How long does it take to fly to Mars at present? a Hours b Months c Years3 What would the flight to Mars be like on the year 2100? a Fast and comfo

8、rtable. b Fast but uncomfortable. c Slow but comfortable.4 What would food on Mars be like? a Very tasty. b Very sweet. c Not very tasty.Read the passage and answer: What will life be like? Transport at present 2100How do we get there?How long does it take?How will we get there?How long will it take

9、?Food What will we eat on Mars?Gravity Will it be a big problem?Why is it a big problem?Why is it very dangerous?To prevent this, what should people do?education What kind of school will students study in?What do they call their teachers?Complete this list. Life on the Earth today Life on Mars in 21

10、00 It is polluted and crowed. It would be clean and have lots of space. Spacecraft are slow. There is enough water and oxygen. There are many kinds of tasty food. Gravity is not a problem for us. Many people live in small flats. People have little time to relax. Students study at real schools. Read

11、and complete the list.Earth todayMars in 2100It is polluted and crowded.It would be clean and have lots of space.Spacecraft are slow.There is enough water and oxygen.Spacecraft would travel at the speed of light.There might not be enough water and oxygen.Earth todayMars in 2100There are many kinds o

12、f tasty food.Gravity is not a problem for us.Many people live in small flats.People have little time to relax.Students study at real schools.Food would most probably be in the form of pills and would not be so tasty.People would have to wear special boots.People might live in houses with huge comfor

13、table rooms.People could have more time to relax.Students would study at online schools.Fill in the blanks.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 migh

14、t only take about 20 minutes in spacecraft that travel _ light! And food would most probably be _ pills and would not be so_. rapid increasebecause ofall over againBy the yearat the speed ofin the form oftastyPeople would have to _ boots that are specially designed to prevent themselves _ (float off

15、 )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 offso thatas well aswear1. At pres

16、ent, 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. Language points2. With the development of technology, by the year 2100, the jou

17、rney 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。我以秒的成绩在比赛中位列第二。By the time I got to the station, the train had already gone. by 表示

18、“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。3. 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。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

19、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。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

20、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 fourthC. 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 ofare4. 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

21、活在有些方面要好些。Children seem to learn more interesting things compared to/with when we were at school. compared with 表示“与相比”；此句中的 “compared with the life on the Earth” 为 短语作状语。与我们上学时相比，孩子现在学到的有趣东西似乎更多一些。 4. 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