新人教版七年级上册英语 Unit3 第4课时 教学课件

1、Unit3 Is this your pencil ？ Section B (2a-2c)学习目标学习本课时新单词及短语：in, library, ask, askfor, find, some, classroom, e-mail, at, call, lost, must, a set of;学习寻物启事和失物招领启事。新课导入What will you do when you lose something?You will get solutions from this lesson.新课讲解2aWrite the things you lose easily.key, watch, t

2、elephone, pen, eraser, cup.新课讲解2bRead the notices on the board and circle the lost things.Lin Hai, A computer game is in the school library. Is it yours? Ask the teacher for it. MikeFound: Some keys are in Classroom 7E. Are they yours? E-mail me at maryg2gfimail. com. 新课讲解Is this your watch?My phone

3、 number is 495-3539. Call me. JohnLost: I lost my school ID card. I must find it. Call me at 685-6034. Thanks. Tom新课讲解1. Its a watch. watch 手表（其复数形式watches）Are these watches? 这些是些手表吗？ e.g. Is that your watch? 那是你的手表吗？Language points 1新课讲解2. How do you spell it? 你怎么拼写它？ 这是一个特殊疑问句，用来询问拼写方法。注意：回答拼写单词时每

4、个字母都要大写，而且字母与字母之间用连字符连接。例如： Whats your name? 你叫什么名字？ My name is Mike. 我叫迈克。 How do you spell it? 怎样拼写？ M-I-K-E. M-I-K-E。Language points 2新课讲解3. Ask the teacher for it.ask . for . 请求，恳求（给予）；征求to ask for a job 求职to ask for an explanation要求解释Language points 3新课讲解to ask for a drink 要一杯饮料 Why dont you as

5、k him for his advice? 你为什么不征求他的意见？ Can I ask you a favour? 我能请你帮个忙吗？新课讲解ask her for the money 向她要钱 ask . for . 要求；索（价） e.g. He asks 5 for the book. 这本书他索价5英镑。新课讲解4. A computer game is in the school library. in 为介词，意为“在里”，表示方位的。e.g. My pens are in the pencil box. 我的笔在铅笔盒里。 Language points 4新课讲解5. Cal

6、l me at 685-6034. call 在此句中意为“打电话”，常用于 以下结构： call sb. 给某人打电话 e.g. Call him this afternoon. 今天下午给他打电话。Language points 5新课讲解 “call + 电话号码” 拨打（号码） e.g. Please call 110. 请拨打110。 “call sb. at + 电话号码” 拨打（号码）找某人 e.g. Call Mary at 236-0388. 请拨打236-0388找玛丽。新课讲解6. I must find it.must modal v. （情态动词）必须e.g. You

7、 must finish it today. 你一定要在今天完成它。 You must see the doctor. 你一定要看医生。 must 后接动词原形Language points 6新课讲解对于must 开头一般疑问句，若要作否定回答，可用neednt，不用mustnt。如： Must I come over tonight? 我今晚必须过来吗? No, you neednt. 不必。新课讲解7. E-mail me at maryg2gfimail . at prep. 提供电话号码时使用；在（某 处、某时间或时刻）(1) “call sb. at + 电话号码” 拨打（号码）找

8、某人e.g. Call Mary at 236-0388. 请拨打236-0388找玛丽。(2) at 表示时间，用于钟点前，用于时刻 前，译为 “在.时（刻）”。如： Language points 7新课讲解at threethree oclock 在三点 at a quarter to six 六点差一刻 at noon 在中午at night 在夜晚at midnight 在半夜 at breakfastlunchsupper 在吃早饭午饭晚饭时 at this time of day 在每天这个时候 新课讲解(3) at 表示地点，一般用于较小的地名（方）前，译为 “在.”。如： a

9、t home 在家 at the station 在车站 (4) at 表示处于.状态，译为 “从事于.”。如： at school 在上学 at work 在工作 新课讲解2cRead the notices again and write down the items. Then check() Lost or Found. Item Lost Found_ _ _ _ computer gamesome keyswatchschool ID card当堂小练一、根据汉语意思完成英语句子。1.杰克可以向格林女士要他的词典。 Jack can _ Ms. Green _ his dictionary.2.发电子邮件到我的邮箱jacksina 。 _ me _ jacksina .3. 我把我的书包丢了。I _ my _ . 4.我必须找到我的钢笔。I _ _ my pen.5.请拨打电话495-5339找Mary。 Please _ Mary _ 495-5339. E-mail atas