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1、English For Social Contacts,（出外旅行时道别）,A:So long.B:Bye.Have a pleasant flight.A:Thanks.See you when I get back.B:Keep in touch.,A:Goodbye.B:Bye.Enjoy your trip.A:Thanks.I will.,（搭飞机时道别）,Listening Practice,19 34 95 60 500,780 1300 8670 2956,1001,00010,000100,0001,000,00010,000,000100,000,0001,000,000,
2、000,one hundred one thousand ten thousand one hundred thousand one million ten million one hundred million one billion,Presentation,1 Listen,read and learn,2 Listen,read and say,Practice,248+659_,3,965+7,284_,12+126,704_,22,991,062+65,937,219,337,907,126,716,11,249,65,960,210,399,The worlds populati
3、on is increasing faster and faster.,2004年世界人口大国,2050年世界人口大国,中国印度美国巴西印尼巴基斯坦俄罗斯,美国人口咨询局资料,印度中国美国印尼尼日利亚巴基斯坦孟加拉,1,3001,087294179219159144,1,6281,437420308307295280,(人口数：百万),3 Ask and answer,population是个集合名词，意思是“人口；人数”，常用来指人口的总称.,（1）population在句中作主语时，谓语动词多用单数形式。德国大约有八千一百万人口。The population of Germany is a
4、bout 81,000,000.世界人口增长越来越快。The worlds population is growing faster and faster.,我们镇五分之三的人是工人。Three fifths of the population in our town are workers.,注：如果population与分数或百分数连用时，谓语动词多用复数形式。,(2)表示“的人口”：the population of+地名 the population in+地名,(3)表示某国、某城市有多少人口时，还可用 have/has a population of结构,加拿大人口是二千八百一十万
5、。The population of Canada is 28,100,000.,那座城市有五万人。The city has a population of 50,000.,(4)由于population是不可数名词，因此不用How many也不用How much进行提问，应用What/How large?,中国有多少人口？Whats the population of China?澳大利亚有多少人？How large is the population of Australia?,大连人口很多。Dalian has a large population.哪个国家的人口最少？Which cou
6、ntry has the smallest population?,(5)说明人口或人数的“多”或“少”时，用large,big或small,thin修饰。,wonder的意思是want to know，常接if或whether引导的宾语从句.,我想知道这是不是真的。I wonder if it is true.我不晓得汤姆来不来。I wonder whether Tom will come.,size 是名词，意思是“容量；尺寸；大小；面积”。,It was about the size of a ducks egg.其大小约如鸭蛋。His shoes are Size 10.他的鞋是十码的。The earth is 49 times the size of the moon.地球大约是月球的49倍。,the size of 的尺寸,Game,The Number Kindom,Finish off the workbook exercises.Revise the numbers.,Homework,
