《The World Is a Big Place》Know Our World PPT教学课件第一部分内容：Learning TargetsKey words & phrases:planet, billion, total, increase, surface, Indian, Atlantic, Arctic, in total, one third, be covered with…, two thirdsKey sentences:1. Can you point them out?2. The earth is a very special planet, and it faces a big problem.3. In the year 2010, the world’s population was over 7 billion in total.4. It is increasing very quickly.5. And by 2050, the world’s population may reach 9 billion.6. We can’t live in water, and only about one third of our planet is land.7. Antarctica is covered with snow and ice all year round.8. The earth is our home now，and it will be our home in the future.9. It has the highest point on the earth in the Himalayas.Grammar: passive voice... ... ...The World Is a Big PlacePPT，第二部分内容：Warming upWhat problems the earth faces?Population problemsEnvironmental pollutionPovertyExhausted resourceWords and expressionsplanet n. 行星billion n. 十亿；千兆total n. 总计；总数 adj. 总的；总计的increase v. 增加；增大surface n. 表面；表层Indian adj. 印度的 n. 印度人... ... ...The World Is a Big PlacePPT，第三部分内容：PresentationListen and readThe earth is a very special planet, and it faces a big problem. In the year 2010, the world’s population was over 7 billion in total. It is increasing very quickly. By 2025, the world may have about 8 billion people. And by 2050, the world’s population may reach 9 billion.There is another problem. People can’t live everywhere on the earth. We can’t live in water, and only about one third of our planet is land. But parts of this land are very dry. These dry places are called deserts. Some areas have very high mountains. Others have a lot of snow and ice. It is not easy to live in those places.There are seven continents: Asia, Africa, Australia, Antarctica, Europe, North America and South America. Antarctica is covered with snow and ice all year round. Luckily, people can live on the other six continents. On these continents, there are green forests, fresh water and rich lands.... ... ...The World Is a Big PlacePPT，第四部分内容：Let’s Do It!1.Read the lesson and match each paragraph with its main idea.Paragraph 1 a. Six of the seven continents are Paragraph 2 b. We should treat the earth well.Paragraph 3 c. An increasing population is a bigParagraph 4 d. Two thirds of the earth is coveredParagraph 5 e. People cannot live everywhere on2.Fill in the blanks with the correct forms of the words in the box.increase　　dry　　surface　　billion　　total1. The number of swimmers here is __________ quickly because it’s very hot these days.2. The school has a __________ of 900 students.3. I think it may be the __________ season of the year.4. The __________ of our body is skin. It protects us.5. How many __________ of people are there in the world now?... ... ...The World Is a Big PlacePPT，第五部分内容：Language points1. Can you point them out?point v．指，指向。常用短语：point at指着；point out指出，说明。例：He pointed out the dangers of driving alone.他指出了单独开车的危险性。Can you point out the mistakes in this picture？ 你能指出这张图片中的错误吗？2. The earth is a very special planet, and it faces a big problem.face v. 面临；面对。它在此作及物动词，后面可接人或表示困难、形势、问题等的抽象名词或动名词作宾语。例: You should face the challenge bravely.你应该勇敢地面对挑战。3. In the year 2010, the world’s population was over 7 billion in total.　(1) billion n．十亿。其复数形式为billions。当其前有具体的数词时，用单数形式，表示确数；当其前没有数词或由some, several, many等词修饰时，用复数形式，且其后要接介词of，表示概数。类似用法的词还有hundred(百), thousand(千), million(百万)等。例: This company earns two billion dollars a year.这家公司一年要赚20亿美元。Billions of stars twinkled in the sky.无数的星星在天空中闪烁。(2) in total意为“总计，合计，总共”, 相当于in all。a total of … 总数为……例: His sister has three hundred stamps in total.他的姐姐总共有三百张邮票。Our class has a total of 60 students.我们班总共有60人。 ... ... ...The World Is a Big PlacePPT，第六部分内容：Grammar被动语态被动语态表示主语是谓语动作的承受者，一般说来，当强调动作承受者，不必说出执行者或执行者含糊不清时，多用被动语态。1. These dry places are called deserts.2. Antarctica is covered with snow and ice all year round.3. It must be treated well for our children and for our children’s children, too!4. It’s pronounced like the letter “A”.被动语态——构成be + 过去分词（ be随着主语人称和数以及时态的不同而变化）can / must / may / should … + be + 过去分词（含有情态动词的被动语态）主动语态变为被动语态一般现在时：主：We believe him.被：He is believed by us.一般过去时：主：He bought his children some pens.被：Some pens were bought for his children by him.一般将来时：主：Everyone will know the truth soon .被：The truth will be known by everyone.... ... ...The World Is a Big PlacePPT，第七部分内容：Exercises一、单项选择1. We have a lovely room. It’s one of ____ in the hotel.A. nice B. nicerC. nicest D. the nicest2. ____ of the students are from the countryside.A. Third quarter B. Three quartersC. Three quarter D. Third quarters3. —Who has ____ marks in English, Wang Lin, Zhang Fang or Li Hong?_x000B_ —Li Hong．　A. good B. better C. best D. the best4. Hong Kong _____ to be a good place for eating today.A. knows B. knewC. is knownD. was known... ... ...The World Is a Big PlacePPT，第八部分内容：Summary1. Learn some new words and expressions.2. Review the present perfect tense3. Master the passive voice.... ... ...The World Is a Big PlacePPT，第九部分内容：Homework1. Recite the words and phrases in this lesson.2. Complete the related exercises.3. Preview next lesson关键词：冀教版八年级下册英语PPT课件免费下载，The World Is a Big PlacePPT下载，Know Our WorldPPT下载，.PPT格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。