八年級英語下冊 Unit 7 Know Our WorldLesson 50課件 冀教版

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1、Lesson 50 The World Is a Big Place!1.Which part of the world do you live in? 2. What do you know about the place where you live?3. How many people are there in the world?Lead in1.continent n. 2.increase v. 3.Europe n. 4.Antarctica n.5.Pacific n. & adj. PresentationNew Words洲；大陸洲；大陸增加；增大增加；增大歐洲歐洲南極洲南

2、極洲太平洋（的）太平洋（的）the Pacific Ocean6.Atlantic n. adj. the Atlantic Ocean7.Indian n. & adjthe Indian Ocean8.Arctic adj.the Arctic Ocean 太平洋太平洋大西洋（的）大西洋（的）大西洋大西洋印度（的）印度（的）印度洋印度洋北極的北極的北冰洋北冰洋New Words9.earth n. 地球；陸地；泥地球；陸地；泥;土土10.surface n. 表面；表層表面；表層11.percent n. 百分之百分之 12.island n. 島；島嶼島；島嶼13.Greenland n

3、. 格陵蘭（島）格陵蘭（島）14.northeast n.&adj. 東北（的）東北（的）15.Nile n. 尼羅河尼羅河New Words GreenlandWhats the worlds biggest island? The worlds biggest island is Greenland. Greenland is northeast of Canada.WHATS THE WORLDS LONGEST RIVER? The Nile River in Africa is the longest river.the Nile RiverRead carefully and fi

4、ll in the blanks:1. In the year 2000, the worlds population was about_. By 2025, scientists predict the world will have_ people.2. About _of the world is land. 3. Oceans cover about _ of the earths surface. six billion7.8 billionone-third three-quarters4. Deserts cover _ of the earths surface. 5. Th

5、e worlds biggest island is _. 6. The longest river in the world is _.twenty percentGreenlandthe Nile River The world is made up of many different kinds of places. In a small group, talk about things you know about the worlds geography. What are some of the worlds physical features? What is the highe

6、st mountain? What is the biggest ocean? Work in pairs1. Oceans cover about three-quarters of the earths surface. 大洋覆蓋著約地球表面的四分之三。大洋覆蓋著約地球表面的四分之三。three-quarters“四分之三四分之三”也可以表示為也可以表示為three-fourths，quarter是名詞，意為是名詞，意為“一刻鐘，四分之一一刻鐘，四分之一”。例如：例如： A quarter of the students have left their pictures home. 四分之

7、一的學(xué)生把照片落在家里了。四分之一的學(xué)生把照片落在家里了。 Half of us are from North China. 我們中一半來自華北。我們中一半來自華北。Language Points2. Not all land is good for people. 并不是所有的土地都適合人們（居?。２⒉皇撬械耐恋囟歼m合人們（居?。４司涫遣糠址穸?。此句是部分否定。 be good for “對對有好處有好處”。例如：例如： Reading is good for children.讀書對孩子們有幫助。讀書對孩子們有幫助。 be good to “對對友好友好”。例如：例如：The tea

8、cher is good to his students.這位教師對他的學(xué)生友好。這位教師對他的學(xué)生友好。be good at “擅長擅長”。 例如：例如：He is good at playing football.他擅長踢足球。他擅長踢足球。 1. 單詞短語：單詞短語：_(在小組內(nèi)口頭匯報在小組內(nèi)口頭匯報)2. 掌握掌握three-quarters及及 與與good相相 關(guān)短語的用法。關(guān)短語的用法。Summary. 單項選擇單項選擇 1. _ of the students are from the countryside. A. Third quarter B. Three quarte

9、rs C. Three quarter D. Third quarters2.A quarter of the students_ left their books at home. A. are B. is C. have D. has 3.The Yellow River is _ in China. A. second longest river B. the second longest river C. the second longest rivers D. the longest riverPractice . 完成句子完成句子1. They will be there _ (

10、在周末以在周末以前）前）.2. _ (四分之三四分之三) of the apples are green.3. Milk _ (對對有益）有益）your health.4. The world _ (由由組成）組成）many different kinds of places.by the weekendThree quarters is made up ofis good forHomework1.Write the new words three times.2. Read after the tape.3.Review Lesson 50.Seek the truth from facts.實事求是。