初中英语牛津版 (深圳&广州)七年级下册Module3 Natural elementsUnit 6 Electricity一等奖ppt课件

教学内容

Getting ready (p.71)，Reading (pp.72–73)，Comprehension D2 (p.7 5)

教学目标

语言知识

1. 认读和理解单词anyone，battery，connect，electricity，foolish，

  moment，reply，wire以及短语a packet of，(be) connected to，in a way，

  power station等。认识单词cable。

2. 初步接触情态动词can/cannot，may/may not和must/must not的现象

  和用法。

语言技能

1. 理解主阅读篇章的文本特征，能运用对话进行交流、沟通。
2. 通过找读关键信息，了解主阅读篇章的主要内容。

情感态度

了解关于点的基本知识，培养节约用电的意识。

教学重点

理解主阅读篇章的故事内容，学习核心单词和短语。

教学难点

根据上下文语境学习核心单词和短语。

教学过程

Step 1 阅读Getting ready 板块的图文，了解单元话题。

学生观察教材第71页的卡通图，通过回答以下问题，了解卡通图的含义和单元话题。

1.  What is energy? (It gives power to make people or things work.)
2.  Where does the boy’s energy come from? (It comes from food,)
3.  What about the robot? (Its energy comes from electricity.)

Step 2 就“日常生活中需要用电的地方”开展“头脑风暴”。

学生发挥想象力，说说生活中有哪些东西需要使用电。认读和理解单词electricity等。

Step 3 开展读前活动，为阅读扫清部分理解上的障碍。

1. 教师呈现What do you know about ...?部分的3幅图片，并告诉学生 There are different ways of producing electricity.。要求学生将图片与相应的文字进行配对。
2. 学生在教师指导下观察主阅读的标题以及两幅图片，完成Before you read部分的练习。

Step 4 仔细阅读文本，把握文本框架，提升对主阅读篇章的理解力。

1. 教师指导学生将主阅读篇章分为3部分，即第一部分：paragraphs 1-5；第二部分：paragraphs 6-10；第三部分：paragraphs 11-16。
2. 教师要求学生阅读第一部分后，判断下列句子的正误，并改正错误句子。

  a. Daisy was going to buy a packet of sweets. (T)

  b. Benny didn’t reply to his sister because he wanted nothing. (F. Benny asked Daisy to get h   him a packet of electricity.)

  c. Benny didn’t think Daisy could buy electricity in packet like sweets. (T)

  d. Benny wanted to make Daisy look foolish. (T)

  e. Mum was happy about that. (F. Mum was unhappy and she asked Benny not to say that.)

  学生认读和理解单词conversation，anyone，reply，foolish以及短语 a packet of等。

  学生将5个正确的句子连接起来并集体朗读：

  Daisy was going to buy a packet of sweets. Benny asked her to get him a packet of

  electricity,  but he didn’t think Daisy could buy electricity in packets like sweets. He just

  wanted to make Daisy look foolish. Mum was unhappy and she asked Benny not to say that.

  3.教师要求学生阅读第二部分并回答以下问题：

  a. How does electricity come into our flats? ( Electricity comes into our flat through thin 

  wires.)

b. What is it like? (It’s like water, in a way.)

c. What ate the wires connected to? (They are connected to cables under the street.)

d. What are the cables connected to? (They are connected to a power station.)

e. What does electricity give us? (It gives us power.)

学生认读和理解单词wire，connect以及短语in a way，(be) connected to，

  power station 等。认识单词cable。

  4.学生完成Comprehension D2，熟悉电流进入家庭的过程。

  5.学生阅读第三部分，回答以下问题：

  A. What did Daisy buy? (Batteries.) 

  b. Was she right? (Yes, she was.)

  c. Why? (Because the chemicals inside batteries produce electricity.)

  学生认读和理解单词 moment 和 battery。

Step 5 跟录音朗读课文。

教师应加强语音、语调的指导。

Step 6 分小组完成以下剧本，巩固文本内容。

Daisy：I’m going to buy _____. Does _____ want _____?

Benny：Can you get me _____?

Daisy：Yes, I can.

Benny (laughs)：She can’t buy electricity _____. She’ll look _____.

Mum：You mustn’t do that, Benny.

A moment later, Daisy came back.

Benny：May I have my _____?

Daisy：Here you are.

Benny：But ... These are _____!

Dad：Daisy’s right. The _____ inside batteries produce _____.

Mum：Who looks _____ now, Benny?

学生分角色朗读。随着熟练度提升，教师采用信息递减方式给出剧本。例如：

Daisy：I’m going to _____. Does _____?

Benny：Can you _____?

Daisy：_____.

Benny (laughs)：She can’t _____. She’ll _____.

Mum：You _____, Benny.

A moment later, Daisy came back.

Benny：May I _____?

Daisy：_____.

Benny：But ... _____!

Dad：Daisy’s right. _____.

Mum：Who _____, Benny?

回家作业

1. 模仿录音的语音、语调，朗读课文。

2.抄写单词和短语：anyone，battery，cable，connect，electricity，foolish，

  moment，reply，wire；a packet of，(be) connected to，in a way，

  power station等。

3.完成《练习册》第89页Reading A的练习。