新人教版七年級(jí)上冊(cè)英語(yǔ) Unit3 第4課時(shí) 教學(xué)課件

1、Unit3 Is this your pencil ？ Section B (2a-2c)學(xué)習(xí)目標(biāo)學(xué)習(xí)本課時(shí)新單詞及短語(yǔ)：in, library, ask, askfor, find, some, classroom, e-mail, at, call, lost, must, a set of;學(xué)習(xí)尋物啟事和失物招領(lǐng)啟事。新課導(dǎo)入What will you do when you lose something?You will get solutions from this lesson.新課講解2aWrite the things you lose easily.key, watch, t

2、elephone, pen, eraser, cup.新課講解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. 新課講解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新課講解1. Its a watch. watch 手表（其復(fù)數(shù)形式watches）Are these watches? 這些是些手表嗎？ e.g. Is that your watch? 那是你的手表嗎？Language points 1新課講解2. How do you spell it? 你怎么拼寫它？ 這是一個(gè)特殊疑問(wèn)句，用來(lái)詢問(wèn)拼寫方法。注意：回答拼寫單詞時(shí)每

4、個(gè)字母都要大寫，而且字母與字母之間用連字符連接。例如： Whats your name? 你叫什么名字？ My name is Mike. 我叫邁克。 How do you spell it? 怎樣拼寫？ M-I-K-E. M-I-K-E。Language points 2新課講解3. Ask the teacher for it.ask . for . 請(qǐng)求，懇求（給予）；征求to ask for a job 求職to ask for an explanation要求解釋Language points 3新課講解to ask for a drink 要一杯飲料 Why dont you as

5、k him for his advice? 你為什么不征求他的意見(jiàn)？ Can I ask you a favour? 我能請(qǐng)你幫個(gè)忙嗎？新課講解ask her for the money 向她要錢 ask . for . 要求；索（價(jià)） e.g. He asks 5 for the book. 這本書(shū)他索價(jià)5英鎊。新課講解4. A computer game is in the school library. in 為介詞，意為“在里”，表示方位的。e.g. My pens are in the pencil box. 我的筆在鉛筆盒里。 Language points 4新課講解5. Cal

6、l me at 685-6034. call 在此句中意為“打電話”，常用于 以下結(jié)構(gòu)： call sb. 給某人打電話 e.g. Call him this afternoon. 今天下午給他打電話。Language points 5新課講解 “call + 電話號(hào)碼” 撥打（號(hào)碼） e.g. Please call 110. 請(qǐng)撥打110。 “call sb. at + 電話號(hào)碼” 撥打（號(hào)碼）找某人 e.g. Call Mary at 236-0388. 請(qǐng)撥打236-0388找瑪麗。新課講解6. I must find it.must modal v. （情態(tài)動(dòng)詞）必須e.g. You

7、 must finish it today. 你一定要在今天完成它。 You must see the doctor. 你一定要看醫(yī)生。 must 后接動(dòng)詞原形Language points 6新課講解對(duì)于must 開(kāi)頭一般疑問(wèn)句，若要作否定回答，可用neednt，不用mustnt。如： Must I come over tonight? 我今晚必須過(guò)來(lái)嗎? No, you neednt. 不必。新課講解7. E-mail me at maryg2gfimail . at prep. 提供電話號(hào)碼時(shí)使用；在（某 處、某時(shí)間或時(shí)刻）(1) “call sb. at + 電話號(hào)碼” 撥打（號(hào)碼）找

8、某人e.g. Call Mary at 236-0388. 請(qǐng)撥打236-0388找瑪麗。(2) at 表示時(shí)間，用于鐘點(diǎn)前，用于時(shí)刻 前，譯為 “在.時(shí)（刻）”。如： Language points 7新課講解at threethree oclock 在三點(diǎn) at a quarter to six 六點(diǎn)差一刻 at noon 在中午at night 在夜晚at midnight 在半夜 at breakfastlunchsupper 在吃早飯午飯晚飯時(shí) at this time of day 在每天這個(gè)時(shí)候 新課講解(3) at 表示地點(diǎn)，一般用于較小的地名（方）前，譯為 “在.”。如： a

9、t home 在家 at the station 在車站 (4) at 表示處于.狀態(tài)，譯為 “從事于.”。如： at school 在上學(xué) at work 在工作 新課講解2cRead the notices again and write down the items. Then check() Lost or Found. Item Lost Found_ _ _ _ computer gamesome keyswatchschool ID card當(dāng)堂小練一、根據(jù)漢語(yǔ)意思完成英語(yǔ)句子。1.杰克可以向格林女士要他的詞典。 Jack can _ Ms. Green _ his dictionary.2.發(fā)電子郵件到我的郵箱jacksina 。 _ me _ jacksina .3. 我把我的書(shū)包丟了。I _ my _ . 4.我必須找到我的鋼筆。I _ _ my pen.5.請(qǐng)撥打電話495-5339找Mary。 Please _ Mary _ 495-5339. E-mail atas