Unit 3 Is this your pencil? Section B (2a-2c)课件(内有25张PPT)2023-2024学年人教版七年级英语上册

(共25张PPT)
Unit 3 Is this your pencil
Section B 2a-2c
Learning aims
1.learn the new words:
library, some, classroom, e-mail, find, lost, ask, must, call…
2.learn the lost and found notices.
3. write the notice when they lost their things.
Free talk
Do you often lose things
What do you lose easily Talk with your partner.
keys
eraser
。。。
。。。
同桌两人交换书本，互相检查单词的拼写并改错。
School things:
Other(其他的) things:
Say like this：
I lose my eraser and my keys easily.
P17
Some students are reading the notices on the board.
The notices are about the things students lost and found. Let’s have a look.
Lost and found
How many notices can you see
阅读策略：结合图片和每则启事的第一句话能帮助你快速找到启事的主旨信息。
P17
Read the notices on the board and circle the lost things.
2b
What kind(种类) of notices are they
How do you know
Found
Lost
a computer game
some keys
a watch
a school ID card
How do you know they are Founds？
3. Is this / Are these your …
Discuss with your partners and underline the words or sentences.
Found
2. Is it yours /Are they yours
How do you know it is a Lost
3. I must find it.
Discuss with your partners and underline the words or sentences.
1. Lost
2. I lost…
Read and answer
Where is the computer game
2. What’s John’s phone number
3. Who lost a school ID card
Read and answer
Where is the computer game
2. What’s John’s phone number
3. Who lost a school ID card
In the school library.
495 – 3539.
Tom.
Language points
1. A computer game is in the school library. (教材P17 2b)
library作可数名词，其复数形式为libraries，in the library意为“在图书馆”。
There are three libraries in the city. 这个城市有三个图书馆。
library n.图书馆
2. Ask the teacher for it. (教材P17 2b)
1) ask作动词，在此处意为“请求；要求”，ask ... for ... 意为“请求······给予······”。
2) ask作动词，还可意为“询问”，其反义词为answer（回答）。
ask v.请求；要求；询问
You can ask the teacher for help. 你可以向老师寻求帮助。
Can I ask a question 我能问个问题吗？
3. I lost my school ID card.
1) lost是动词lose的过去式，意为“遗失；丢失”。其反义词为find（找到; 发现）。
2) Lost可表示“寻物启事”，Found可表示“失物招领”，Lost and Found 表示“失物招领处”。
3) lost还可作形容词，意为“丢失的；失去的”。
lost v.遗失；丢失
I lost my dictionary. 我的词典丢了。
Jack is looking for the lost ball in the playground.
杰克正在操场上寻找丢失的球。
4. I must find it. (教材P17 2b)
1) must是情态动词， 其后接动词原形，没有人称和时态的变化。
2) must的否定形式为mustn’t，表示禁止，意为“不可以”。
must modal v.必须
You must finish your homework on time. 你必须准时完成你的作业。
We mustn't speak loudly in the library.
我们不可以在图书馆里大声说话。
5. Call me at 685-6034. (教材P17 2b)
call v.(给······)打电话
Please call me later. 请晚点给我打电话。
You can call 110 for help. 你可以拨打110求助。
You can call Alan at 284-3837. 你可以拨打284-3837找艾伦。
call sb. 给某人打电话
call+电话号码 拨打······号码
call sb. at+电话号码 拨打······号码找某人
6. E-mail me at maryg2@.
e-mail v. 给······发电子邮件
n. 电子邮件 复数名词：e-mails
at prep. 放在电子邮箱的地址或电话号码等前面，表示 “按照······；根据······”。
at 表示时间，用于钟点前，用于时刻前，译为 “在······时（刻）”。
一、单项选择题
Exercises
( ) 1. ________ my book. _______ her book.
A. This’s; That’s B. This is; That’s
C. This’s; That is
( ) 2. — ___________________
— It is a watch.
A. Is this a watch B. Is it a watch
C. What’s this in English
B
C
( ) 3. My bag is ________.
A. no B. not C. lost
( ) 4. When you meet a new word, please use
(用) your ________.
A. key B. game C. dictionary
( ) 5. — Is that your ruler
— _______, it is.
A. Yes B. Thanks C. No
C
C
A
根据句意及图片提示完成句子。
1. This is my new _________.
2. Is that your ______
3. — What’s this
— It’s my aunt’s _____.
4. How do you spell the word “________”
computer
watch
ring
notebook
5. The ________ isn’t mine. It’s Jack’s.
6. — What are they
— They’re a set of _____.
7. Eric lost his school ________.
keys
ID card
baseball
Homework
1.Finish the exercises on the worksheet.
2.Preview 3a-self check.