Unit 7 Know Our World.Lesson 38 The World Is a Big Place.课件

课件14张PPT。The World Is a Big Place!AfricaAsiaNorth AmericaEuropeOceaniaAntarctica________ Continents (洲)South Americaseventhe Pacific Oceanthe Pacific Oceanthe Atlantic Oceanthe Indian Oceanthe Arctic OceanFour main Oceans (海洋)[?t'l?ntik]['ɑ:ktik]Lead-inplanet ['pl?nit]n.行星
billion['bilj?n] n. 十亿；千兆
total ['t?utl] n. 总计;总数
adj. 总计的;总的
increase [in'kri:s]v.增加，增大
surface ['s?:fis]n.表面
Indian['?nd??n] adj. 印度的；
n. 印度人
n.行星
n. 十亿；千兆
n. 总计;总数
adj. 总计的;总的
v.增加，增大
n.表面
adj. 印度的；
n. 印度人
Task 1 : True or FalseBy 2050, there will be 9 million people in the world.People can live on every continent.These dry places are called deserts. The Pacific Ocean is the second largest ocean.TFFFTask 2Read the passage aloud and find out the key sentences!Task 3In the year 2010, the world’s population was over 7 billion in total.
These dry places are called deserts.
Oceans cover two thirds of the earth’s surface.
The Pacific Ocean is the largest one.
甘肃的人口是多少？
What’s the population of Gansu?
It’s 26,000,000.
中国大约有百分之七十的人口是农民.
About seventy percent of the population in China are farmers.
印度人口众多.
India has a large population.
Passive voice:
构成是：
be + 过去分词 + (by+动作执行者)
分数的表达： 分子用基数词来表示，分母用序数词来表示，当分子大于一时，分母要加s
2/3 two thirds
3/4 three fourths
特殊记忆：
1/2 要用a half表示
1/4 要用a quarter表示
最高级表达方式
the + largest
the + most beautiful
Q: What’s the second largest ocean on the earth?
A: The Atlantic Ocean.
Group workWhat happened to our planet?
What should we do to protect it?Let’s sing a song!Heal the world 拯救这世界， Make it a better place 让它变得更好， For you and for me and the entire human race 为你、为我，为了全人类。 There are people dying 不断有人死去， If you care enough for the living 如果你真心关怀生者， Make a better place for you and for me 为你，为我，创造一个更美好的世界。 HomeworkFinish activity 2 on P101 in students’ books.
Write a short passage Protect Our Planet Now！
(80 words)Thanks for watching!to test your sense of observation
to test your ability of short-term memory
to test your ability to highlight the language pointsGuessGuessing Game1) These dry places ___ _____ deserts.
2) Antarctica ___ _______ ____ snow and ice all year round.
3) It must ___ _______well for our children and for our children’s children, too!
4) We ____ _____ _____ to write a report on Asia.
5) It __ ___________ like the letter “A”.are calledis covered withFill in the blanks.be treatedhave been askedis pronounced