初中教学课件Unit 3 Section A (2a-2e).pptx

七年级（下）优翼英语教学课件优翼英语教学课件Section A(2a-2e)学练优七年级英语下学练优七年级英语下（RJRJ）教学课件教学课件Unit 3 How do you get to school?学习目标学习目标 Key words&phrases:sixty;seventy;eighty;ninety;hundred;minute;far;kilometer;new;every;every day;by;by bike;how long;how far;have a good day.Key sentences:1.How do you get to school?2.How far is it from your home to school?3.How long does it take you to get to school?To learn to ask and answer How long and How far questions.-How do you get to school every day?-I _ to school.take the subwaytake the bustake the carride the bike地地 铁铁-How do you get to Wuhan?-I _ to Wuhan.take the planetake the shiptake the trainfifty-eightone hundred and threeHow long?Twenty-five minutes.How far?Ten kilometers(公里公里).nine hundredB:It takes him twenty minutes.20 minutesA:How does Tom get to school?B:He walks to school.A:How long does it take?While-listening2aListen and repeat.Then write the correct number nextto the word.84105992007261sixty-one _ ninety-nine _seventy-two _ one hundred and five _eighty-four _ two hundred _84105992007261minute/mnt/n.分钟far/f(r)/adj.adv.远；远的kilometer/klmit/klmitr/n.千米；公里Look at the chart and learn.HowHow long?(minutes)How far?(kilometers)TomJane如何；怎样，用来询问交通方式多长时间，用来询问时间的长短多远，用来询问距离2b Listen and complete the chart.HowHow long?(minutes)How far?(kilometers)TomJaneabout one hour and 30 minutestakes the busabout 20 minutesabout 60 kilometersabout 2 kilometerswalksListen again.Check your answers in 2b.2cConversation 1Mary:How do you get home from school,Tom?Tom:I walk.Mary:How long does it take?Tom:It takes about 20 minutes.Mary:Wow!Thats quick!How far is it from the school to your home?Tom:Only about two kilometers.Conversation 2Peter:How do you get home from school,Jane?Jane:I take the bus.Peter:How long does it take?Jane:Oh,about one hour and 30 minutes.Peter:Wow!Thats a long time!Jane:Yes,I only go home on weekends.Peter:How far is it from your home to school?Jane:Its about 60 kilometers.Post-listening2dA:How do you get to school?B:I.A:How long does it take?B:It takes.A:How far is it from.to.?B:Its about.Student A is Jane and Student B is Tom.Use the information in 2b to make conversations.SampleHow do you get to school?I get to school by subway.How long does it take?It takes about 15 munites.How far is it from your home to school?Its about three kilometers away.WhoHowHow longHow farLilyon footten minutesone kilometerWork in groups of four and do a research about others transportation,the amount of time and distance to school.Role-play the conversation.2eLisa:Hey,Jane.Is this your new bike?Jane:Yes.I ride it to school every day.How do you get to school?Lisa:I usually take the bus.Jane:How far is it from your home to school?/nju:/nu/adj.新的；刚出现的/evri/adj.每一；每个every day 每天How far is it from to?从到有多远？这里用作动词，意为“骑”。

动词,意为“乘坐”Lisa:Im not sure.about 10 kilometers?The bus ride takes about 20 minutes.How long does it take you to get to school?Jane:About 15 minutes by bike.Its good exercise.Lisa:Yeah.Well,have a good day at school.Jane:You,too.这里用作名词,意为“旅程”动词,意为“花费（时间）”by bike 骑自行车/ba/prep.（表示方式）乘（交通工具）How do you get to.?How far is it from.to.?The bus ride takes about.(period of time)How long does it take.to.?Patterns we should remember.About.minutes by.Its good exercise.Have a good day at school.Read the conversation in 2d and answer the questions below.1.How does Jane get to school every day?2.How does Lisa get to school?She rides her bike every day.She usually takes the bus.3.How far is it from Lisas home to school?4.How long does the bus ride take?5.How long does it take Jane to get to school?About 10 kilometers.20 minutes.15 minutes by bike.Language points1.one hundred and five 一百零五 【用法详解】(1)当表示具体的当表示具体的“几百几百”时，用时，用“数词数词+hundred”,此时的此时的hundred必须是单数形式，后接可数名词复数。

必须是单数形式，后接可数名词复数There are about two hundred teachers in our school.(2)hundreds of 是固定短语，意为是固定短语，意为“数百的；成百上千的数百的；成百上千的”，表示不确切的数量，不可与具体的数词连用，后接可数名词表示不确切的数量，不可与具体的数词连用，后接可数名词的复数形式的复数形式Hundreds of players take part in the game.hundred num.一百2.How long does it take you to get to school?你到学校要用多长时间？【用法详解】how long意为意为“多久；多长时间多久；多长时间”，用来询问时间的长短用来询问时间的长短e.g.How long does it take to get to the library?Half an hour by bike.【拓展拓展】how long 还可表示还可表示“多长多长”，用来询问物品的长度用来询问物品的长度e.g.How long is this river?Its about 150 kilometers.take v.花费（时间）花费（时间）【用法详解】It takes(sb.)some time to do sth.为固定句式，意为为固定句式，意为“做某事花费（某人）多长时间做某事花费（某人）多长时间”。

其中其中It作形式主语，真正的作形式主语，真正的 主语是后面的不定式短语主语是后面的不定式短语to do sth.take在句中意为在句中意为“花费（时花费（时 间）间）”e.g.It takes Lily two hours to cook dinner.莉莉花费两个小时做晚饭真正的主语真正的主语形式主语形式主语【拓展拓展】It takes sb.+时间时间+to do sth.做某事花费某人做某事花费某人时间对时间进行提问的句型：对时间进行提问的句型：How long does it take(sb.)to do sth.？e.g.It takes me half an hour to finish my homework every day.(对画线部分进行提问)How long does it take you to finish your homework today?3.About 15 minutes by bike.骑自行车大约15分钟by bike 骑自行车【用法详解】by在此处作介词，表示在此处作介词，表示“乘乘(交通工具交通工具)”后接表示交通工具的名词后接表示交通工具的名词。

应注意的是，在“by+表示交通工具的名词”结构中，名词前不需要加任何冠词名词前不需要加任何冠词by bus 乘公共汽车 by plane 乘飞机 by train 乘火车 by car 乘小汽车 by taxi 乘出租车 by sh。