Unit 3How do you get to school,第二课时Section A (2a2e,hundred数词，意为“一百”。当我们表达具体的“几百”时，用“基数词hundred”，注意此时hundred不能加“s”。 eg：five hundred五百 【拓展】hundreds of表示“数百的；成百上千的”，此时hundred后必须加“s”，且后要用介词of，不能与数词连用。 How long does it take (to get to school)？(到达学校)需要花多长时间？ how long意为“多久，多长时间”，用以询问某个动作所持续的时间长短或物体的长度。 eg：How long do you watch TV every day？每天你看多长时间电视？ Two hours.两个小时,take在此意为“花费”，主语一般为物，常用于句型It takes sb. some time to do sth.中，意为“花费某人多长时间做某事”，其中it为形式主语，动词不定式为真正的主语。 eg：It takes me thirty minutes to do my homework every day.做家庭作业每天要花费我30分钟的时间。 How far is it from.to.？从到有多远？ how far意为“多远”，该句型常用来询问距离或路程的远近，其答语为：Its.meters/miles/kilometers (away)，意为“有米/英里/千米(远,by bike骑自行车 【注意】on foot(步行)，by bus(乘公汽)，by subway(乘地铁)，by train(乘火车)，by car(乘小汽车)等词组，名词前不能加任何冠词或其他修饰词。 重点短语归纳 the bus ride乘汽车的路程 good exercise好的锻炼 have a good day过得愉快,一、根据句意及首字母或汉语提示写单词。 1Seventy and thirty is one 2Its about five from our school to your home. 3Do you go to school day，Tom? 4I have (九十) books.What about you，Alice? 5This (新的) bag is mine,hundred,kilometers,every,ninety,new,二、写出下列数字的英文表达。 643 7.52 874 9.97 10102 11.114 12121 13.138,fortythree,fiftytwo,seventyfour,ninetyseven,one hundred and two,one hundred and fourteen,one hundred and twentyone,one hundred and thirtyeight,三、单项选择。 ( )14. do you usually go to work? By bike. AHow long BHow far CHow DWhen ( )15. do you do sports every day? For about four hours. AHow many BHow long CHow far DHow soon ( )16. is it from here to the train station? About six kilometers. AHow long BHow far CHow much DHow many,C,B,B,)17.I often go to work Aby bike Bby a bike Cride the bike Don bike ( )18.It usually takes Jim three hours the homework. Afinish Bfinishing Cto finish Dfinishes,A,C,四、根据对话内容，从方框中选择恰当的选项补全对话，其中有两项多余。 A：Morning，Jane.19. B：Yes，he does. A：20. B：By bike. A：Really？21. B：Because he thinks its good exercise. A：22. B：About five miles. A：23,D,F,B,A,E,B：About half an hour. AHow far is it from your home to school? BWhy does he ride a bike? CWhen do you get to school? DDoes your father drive you to school every day? EHow long does his bike ride take? FHow does your brother get to school? GDo you like walking