初中英语北师大版九年级全册Lesson 22 Famous Discoveries精品表格教学设计

教学基本信息

课题

Unit8Famous Discoveries

课型

        阅读课

年级

初三

教材分析

教学内容分析：

本单元是北师大版九年级第八单元，话题是Discoveries，涉及到著名的发现，年度发现、一份实验报告。在承接Get Ready 部分有关“发现”话题的基础上，阅读方面包括三项重要发现Lesson 22: Famous discoveries(antibiotics, DNA, X-rays)；Lesson 24 An experiment report种植马铃署的步骤和经过。听力方面是听一段演讲，熟悉正式演讲构成的要素, Lesson 23 Discovery of the year；写作是写一篇关于自己的发现或经历的报告 Communication Workshop:Learning from discoveries。语法是条件状语从句（conditionals）

Lesson 22是一节阅读课，涉及的话题是Famous discovery。第一发现是抗生素，它在现实生活中作用比较大，但要注意适当使用。第二发现是DNA，文本中介绍了它的架构，同时通过这个我们可以获知孩子从父母那遗传了哪些基因，同时也能在医学界可以帮助治疗很多疾病。第三个发现是X光射线，介绍了它的发明人及它的作用，在生活中人们把它用到了各行各业中。通过文本学习，使学生了解这些方面的知识，在生活中能够解决一些小问题。

设计思路：

        由科技发现的图片和提示词介绍一些科学发现. 激发学生兴趣，引出本节课的话题Discoveries。

        通过Skimming的阅读方法，训练学生关注首尾段和标题和插图等内容获取文章主旨大意。

        通过细读课文，关注数字、日期、动作等的描述，获取文章的细节信息。

        通过完成课文内容的填空练习，复习、诶华本科所学的词汇，进一步理解本科所学的词汇和话题。

        通过分析文本，培养学生热爱生活、善于发现的优良品质。

教学目标

在本课学习结束时，学生能够：

1. 通过阅读文本，获取有关three discoveries的名称、发明人及用途等基本信息。

2. 通过阅读文本，表达出这些发现在现实生活中的所起的作用，了解一些简单的医学常识。

3. 通过本节课的学习，使学生了解到需要长久不懈的努力和坚持，才能有所发现，有所成就。

教学重、难点

教学重点：

1. 通过快速阅读文本，获取文章的主旨大意；通过细读文本，获取文章和细节，了解有关three discoveries的名称、发明人及用途等基本信息。
2. 通过分析文本，培养学生热爱生活、善于发现的优良品质。

教学难点：

运用阅读技巧，获取文章的主旨大意和细节信息。

教学步骤

教师活动

学生活动

设计意图

技术应用

时间

Step 1

Pre-reading

1.Show the students some pictures about some people doing discoveries.

2. Lead in the topic of Lesson22 “Famous Discoveries：。”

Look at the pictures and the questions:

       What is he / she doing?

       What are they doing?

Ask the students to talk about the pictures with the help of some key words and lead in the topic of Lesson 22.

PPT

3’

Step 22

While-reading

1. The first reading

Ask the Ss to read quickly and get the main idea of the passage.

1) What’s the passage about?

2) How many discoveries are mentioned in the passage?

Before reading, show the Ss Reading Help:

       The main idea of an expository writing （说明文）is usually, but not always in the first paragraph or in the last paragraph.

      
Look at the bold face letters（黑体字） and pictures to get key information.

2. The second reading.

1) Ex. 3 on P90.

Show Reading Help:

       Pay attention to key words like numbers, dates and actions.

       Match the numbers, dates and actions with the events.

2)Ex.4 on P91

Ask the Ss to read the body part and find the answers.

       Get the Ss to read the questions.

       Help them to read the body part and get the answers.

       Help them check the answers.

1. Listen to the teacher carefully and learn the Reading Help.

2. Read quickly and get the answers to the two questions according to Reading Help.

3. Check the answers .

1) Read Ex.3 and try to know what to do  in this exercise.

2) Learn Reading Help.

3) Read the table and try to know what to get in the second reading.

4) Read the body part of the passage and complete the table.

5) Check the answers.

1) Read and discuss the meaning of the questions in pairs and try to guess the meaning of “map” with the help of the picture.

2）Read and underline the answers.

3) Discuss the answers in groups.

4) Check the answers in class and try to understand the meaning of some key words in the body part.

Get the Ss to pay attention to Reading Help and learn how to get the main idea of a passage. Ask them to focus on pictures and bold face letters.

Teach the Ss to learn how to get some detailed information by matching the numbers, dates and years with the events

Get the Ss to read the passage carefully and learn to conclude and infer some ideas by reading and understand the complex sentences.

PPT

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Step 3

Post-reading

1. Play the record.

2. Ask the Ss to turn to P98 and do Ex.B.

Read with the record.

Try to finish the passage with the words in the box.

1. Learn the correct pronunciation and intonation.

2. Try to understand the passage better.

Check the understanding of the passage and the words.

Computer

PPT

Step 4

Homework

1. Read the passage after class.

2. Finish Ex. A, D on P160 and 161.

Try to finish the exercises after class.

Check their understanding of this lesson.