sectionA
section A详解
A Technological Revolution in Education课文生词讲解( new words study)prevalenta. (fml.)existing commonly, generally, or widely (in some place or at some time ); predominant (正式)（在某地或某时）流行的，盛行的；普遍的The habit of traveling by aircraft is becoming more prevalent each year.坐飞机旅行一年比一年普遍了。
One simple injection can help to protect you right through the cold months when flu is most prevalent. 只要打上一针预防针就能帮助你度过流感盛行的寒冷月份。
continuityn. [U]uninterrupted connection or union (through time or space) 连续性，连贯性There is no continuity of subject in a dictionary. 词典的主题没有连续性。
This paper lacks continuity. 这篇论文缺乏连贯性。
inherenta. existing as an essential constituent or characteristic; intrinsic固有的，内在的，天生的The communication skills that belong to each species of animal, including people, are not inherent. 包括人在内的动物所具有的交际技能并不是天生的。
With his inherent love of life, he started meeting people socially again, although he abstained from alcohol and cigarettes. 由于天生热爱生活，他又开始了社交生活，但戒绝了烟酒。
人教版2024新教材七上英语Unit 1 Section A (2a~2e)课件
2e Complete the table with what you know about these students.
Student Name Age Country Class
Class teacher
13
Song Meimei 12
23001
the US
2
12
2
Mr Lu Mr Lu
2e Ask and answer questions about them.
My mistake.“我搞错了。”
Role-play the conversation.
Chen Jie: Hello, Mr Smith! Mr Smith: Hello, Chen Jie. How are you? Chen Jie: I’m good, thank you. Mr Smith, this is my new friend, Peter.
Unit 1 You and Me
Section A (2a~2e)
23001
学习目标
能通过听读对话识别人物的名字、身份、关系及其他细节信息。 能学习对话中的打招呼用语和介绍他人的典型句式及系动词be的 缩略形式，并能在日常交际中得体运用。
23001
新课讲授
23001
Look and share
who’s = who is I’m = I am he’s = he is it’s = it is
Peter: Ms Hui.
2C3h0e0n1Jie: Oh, Peter, it’s Ms Gao, not Ms Hui. Hui is her first name.
Peter: Oh, sorry! My mistake.
Section-A-内容详解
Section A 内容详解①You could help clean up the city parks.你可以帮助打扫城市公园。
a．句中could并不是过去时，而是用比较委婉的语气向对方提出建议，当然用can也是可以的，只是语气显得有点儿生硬。
如：You could help do some cleaning at home on Sundays.星期天你可以在家帮着打扫卫生。
He could be of some help to you if you're in trouble.你碰到难事时，他也许会对你有所帮助。
b．句中clean up为不定式，由于在help之后，故省略了不定式符号to。
通常，在help动词之后跟不定式作宾语或宾语补足语时，该动词不定式的符号to可以省略。
在谓语动词help 用于被动语态的时候，其后面的动词不定式符号to不能省略。
如：We often help clean up the streets on Sundays.星期天，我们常常帮助清洁街道。
I helped him repair his car.我帮他修好了自行车。
Could you help pass the book？你能帮忙把那本书递过来吗？Jim often helps his mother wash vegetable when she is cooking.吉姆常常在妈妈做饭的时候帮助洗菜。
The farmers were helped to pick apples and pears.农民们摘苹果和梨时得到了帮助。
She was helped to get everything ready in advance.她得到帮助，把所有的事情都提前准备好了。
We will be helped to send the living necessities.在运送生活必需品方面，我们将会得到帮助。
人教 八年级上册第一单元Section A 1a—2d(共49张PPT)
1. — Where did you go on vacation? — I went to the mountains. / …
2. Did you…? Yes, I did. / No, I didn’t.
Talk about past events.
my summer vacation
visited museums
visited my uncle
went to the mountains went to summer camp
Read aloud and remember them: went to New York City
went to the beach
visited museums stayed at home onversations
1、4 or 6 students in one group 2、Play the conversations in real situation 3、Practice for 4-6 mins 4、Show us in the front of the class
conversation1
A: Where did you go on vacation，Grace? B: I went to New York City. A: Oh, really? Did you go with anyone? B: Yes, I w__e_n_t_with my mother. A: Did you go to Central Park? B: Yes, I did . It was really nice. A: Did you buy an__y_th_in_g_s_p_e_c?ial B: Yes, I bought something for my father. A: Oh, really? What? B: _I_bo_u_gh_t_h_im a__hat.
Section A 内容详解
Section A内容详解Language Goal：Talk about how long you have been doing things.语言目标：谈论事情做了多久1aGROUPWORK小组活动Discuss these questions．谈论这些问题。
1．How long did you sleep last night?昨晚你睡了多久？2．When did you start①class today?今天什么时候开始上课的？3．How long have you been in class today?今天你在班里待了多久了？Alison，how long have you been skating?艾莉森，你滑冰多久了？I've been skating for five hours②．我已滑了5个小时了。
Wow!哇!1bListen．A reporter is talking to the participants in a skating marathon.Fill in the chart below．听录音。
一位记者正在采访参加滑冰马拉松赛的运动员。
填写下面的表格。
How long?多久了?Alison艾莉森I've been skating for five hours．我已滑了五小时了。
Sam萨姆I skated for four hours．我滑了四小时了。
Victor维克多Celia西莉亚听力原文Woman：Alison，how long have you been skating?艾莉森，你已滑了多久了？Alison：I've been skating for five hours．我滑了五个小时了。
Woman：Wow!Sam，how long did you skate?哇!萨姆，你滑了多长时间呢？Sam：I skated for four hours.I started at nine o'clock in the morning and stopped at one o’clock in the morning I'm very tired.我滑了四个小时，上午九点我开始滑，下午一点停了下来。
Section A
Practice
(5 minutes)
1. Group work
2. Group work
3. Group work
4. Pair work and
individual work
5. The whole
class work
5. Recite the rules in a
chant. Students can dance to the rhythm.
6. Fill in the blanks
according to the chant. Students can work in groups.
7. Check and revise the
1. The whole
class work
2. The whole
class work and
individual
Work
3. The whole
class work andgroup work
4. The whole
class work
1. Focus their attention
on the teacher.
share in the class.
5. Students read after the
tape sentence by sentence.
6. Students read 1b by
themselves, and group leaders check and help group members.
Consolidation
(15 minutes)
1.Individual
《Section A》知识清单
《Section A》知识清单Section A 通常是一个比较宽泛的概念，它可能出现在各种学科、教材或考试中。
为了更有针对性地为您整理这份知识清单，我们假设Section A 是关于初中数学中的代数部分。
一、整式1、单项式定义：由数与字母的积组成的代数式叫做单项式，单独的一个数或一个字母也叫做单项式。
系数：单项式中的数字因数叫做这个单项式的系数。
次数：一个单项式中，所有字母的指数的和叫做这个单项式的次数。
2、多项式定义：几个单项式的和叫做多项式。
项：在多项式中，每个单项式叫做多项式的项，其中不含字母的项叫做常数项。
次数：多项式里，次数最高项的次数，就是这个多项式的次数。
3、整式：单项式和多项式统称为整式。
二、整式的加减1、同类项定义：所含字母相同，并且相同字母的指数也相同的项叫做同类型。
合并同类项法则：同类项的系数相加，所得的结果作为系数，字母和字母的指数不变。
2、整式的加减一般步骤：（1）去括号；（2）合并同类项。
三、整式的乘法1、幂的运算同底数幂的乘法：底数不变，指数相加，即＼（a^m×a^n ＝ a^｛m+n}＼）幂的乘方：底数不变，指数相乘，即＼（（a^m)＾n ＝ a^｛mn}＼）积的乘方：先把积中的每一个因数分别乘方，再把所得的幂相乘，即＼（（ab)＾n ＝ a^n b^n\）2、单项式乘以单项式法则：把它们的系数、相同字母分别相乘，对于只在一个单项式里含有的字母，则连同它的指数作为积的一个因式。
3、单项式乘以多项式法则：用单项式去乘多项式的每一项，再把所得的积相加，即＼（m(a ＋ b ＋ c) ＝ ma ＋ mb ＋ mc\）4、多项式乘以多项式法则：先用一个多项式的每一项乘另一个多项式的每一项，再把所得的积相加，即＼（（a ＋ b)（m ＋ n) ＝ am ＋ an ＋ bm ＋ bn\）四、乘法公式1、平方差公式：＼（（a ＋ b)（a b) ＝ a^2 b^2\）2、完全平方公式：＼（（a ± b)＾2 ＝ a^2 ± 2ab ＋ b^2\）五、整式的除法1、单项式除以单项式法则：把系数、同底数幂分别相除，作为商的因式，对于只在被除式里含有的字母，则连同它的指数一起作为商的一个因式。
Section A 内容详解
Section A内容详解Language Goal：Talk about recent events语言目标：谈论最近发生的事情。
1aWhat are the three most important things to pack when you go on a beach vacation?A city vacation?Write your ideas below．当你要去海滨度假时，在打包时最重要的三件东西是什么?到城市度假呢?在下面写出你的见解。
A beach vacation海滨度假Sightseeing in a city在城市观光1．bathing suit①游泳衣2．________________ 3．________________ 1．________________ 2．________________ 3．________________Have you packed the beach towels yet②?No,I haven't．你把浴巾放进包里了吗?没有，我没放。
要点解疑①bathing shit是“游泳衣”，统指各种游泳衣，女游泳衣常用swimming costume或swim-suit来表示，男游泳衣用trunks来表示。
例如：He went to the beach in a hurry,but he forgot to bring the trunks．他匆忙赶到海滨，但是忘记了带游泳衣。
He found that he took the swim-suit by mistake．他发现他拿错了游泳衣。
②yet是个副词，无比较等级，用于否定句时是“还；尚；迄今；到那时”的意思；用于疑问句时，意思是“已经”。
例如：She is not yet here．她还未到。
We have received no news from him yet．我们还没有收到他的任何消息。
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Unit 5 What are the shirts made of?Section A 1 (1a-2d)一、教学目标：1. 语言知识目标：1) 能掌握以下单词：chopsticks, coin, fork, blouse, silver, glass, cotton, steel,grass, leaf, produce, widely, be known for, process, pack 能掌握以下句型：①—This ring looks nice. Is it made of silver?—Yes, and it was made in Thailand.②What is it made of/from?③China is famous for tea, right?④Where is tea produced in China?2) 能够用英语描述及询问物品的制作材料，正确理解被动语态的用法及句子结构。
2. 情感态度价值观目标：了解一些日常用品的制成材料，增加生活常识，养成良好的生活习惯；了解一些地方知名产品或传统艺术品的制作过程以及制作材料，培养学生的民族自豪感及爱国主义精神。
二、教学重难点1. 教学重点：1) 掌握本课时中出现的生词2) 能够用英语描述及询问物品的制作材料3）正确理解被动语态的用法及句子结构。
2. 教学难点：理解被动语态的用法及句子结构。
三、教学过程Ⅰ. Lead in1. 播放动画片《造纸过程》的视频，让学生们了解这个中国传统发明的情况。
T: Who invented paper first?S1: Can Lun invented it in Han dynasty.T: What was paper made of then?S2: It was mainly made of bamboo.T: was it easy for people to make paper then?S1: No, it was very difficult then.T: What is paper made of now?S3: It’s mainly made of wood, bamboo, and cotton.…Ⅱ. Presentation1. Present the sentence structure, using the pictures on the big screen:—What’s the golden medal made of?—It’s made of gold.—Is this table made of wood?—No, it isn’t. It’s made of glass.—Is Butter made from meat?—No. It’s made from cream?让学生们学习掌握be made of/from句型的用法，及be made of与be made from的区别。
两词组都是“由……制成的”之意。
be made of 指从原料到制成品只发生了形状变化，没有发生本质变化（属物理变化）be made from指从原料到制成品发生了质的变化，已无法复原（属化学变化）。
Ⅲ. Learning1. Show some pictures on the big screen. Try to learn the new words using “be made of” structure.Learn the new words: chopsticks, coin, fork, blouse, silver, glass, cotton, steel, grass, leafe.g. This pair of chopsticks are made of bamboo.This coin is made of silver.Is this blouse made of cotton?No, it isn’t. It’s made of silk.What’s the fork made of?It’s made of steel.These pigs like grass very much.a piece of leafKolas like leaves.2. Ss discuss with their partner and try to learn the new words.3. Give Ss five more minutes to remember the new words.Work on 1a:Let Ss read the things and materials in 1a. Discuss with their partners and match them with the materials. More than one answer is possible.What are these things usually made of? Match them with the materials. More than one answer is possible.1.chopsticks2.window3.coin4.stamp5.fork6.blousea.woodb.goldc.silverd.papere.silkf.glassCheck the answers with the Ss.Ⅳ. Listening1.T: Tell Ss they will hear a conversation about some things and material. Listenand match the products with what they are made of and where they were made.2. Let one student read the words in the box, Play the recording for the Ss to listen.3. Ss try to listen and match the things with the material and here they were made.4. Play the recording again. Let Ss check the facts they hear.5. Check the answersⅤ. Pair work1. Read the conversation in the box in 1c.2. Ss try to made conversations using the information in 1b.e.g. A: Your new shirt looks very nice. Is it made of cotton?B: No, it isn’t. It’s made of silk.3. Let some pairs read out their conversations.Ⅵ. ListeningWork on 2a:T: Let’s listen to another conversation between Nick and Marcus.1. What are they talking about? First, let’s look at the pictures and the phrases in 1a.(Let one students read the phrases in 2a.)Listen and check ( √) the main topic of Nick and Marcus’ conversation.____ the science museum____ the art and science fair____ environmental protection____ a model plane____ a beautiful painting____ grass and leaves2. Play the recording for the Ss to listen and check the phrases.3. Play the recording again to check the answers.Work on 2b:1. Let Ss read the sentences below. Explain some main sentences for the Ss. Make sure they know what to do.2. Let Ss read the questions in 2b. Make sure they understand the meaning of each question.Play the recording for the Ss to answer the questions. (If necessary, using the pause button.)1) Where is the art and science fair?_________________________2) Do Nick and Marcus have to pay to go?_________________________3) What is the model plane made of?_________________________4) What is the painting made from?__________________________3. Play the recording again to check the answers.4. Play the recording again. Let Ss fill in the blanks of the conversation.Ⅶ. Pair work1. Tell Ss to make a conversation using the information in 2a and 2b.e.g.A: What did you see at the art and science fair?B: I saw a model plane.A: What is it made of?B: It’s made of steel, glass, and plastic.2. Let Ss make their own conversations.3. Practice their conversations in pairs.Ⅷ. Role-play1. Work on 2dRead the conversation and complete the blanks.1) Chinese _____________ tea both in the past and now.2) _________ I know, tea plants _________ on the sides of mountains.3) When the leaves are ready, they _______ by hand and then _______ for processing.4) The tea ____________ and sent to many different countries and places around China.5) People say that tea ___________ ____ health _____ business!2. Read the conversations and Let Ss read after the teacher.3. Explain some new words and main points in the conversation.4. Ask Ss to role-play the conversation in groups.X. Language points1. What is the model plane made of?What is the painting made from?be made of与be made from 辨析两词组都是“由……制成的”之意。