英语Unit 5 A delicate world教案

课程基本信息

课例编号

学科

英语

年级

高二

学期

秋季

课题

高二【英语（外研）041】选择性必修二 Unit 5 A delicate world（1）

教科书

书名：  英语 选择性必修 第一册                              

出版社：外语教学与研究出版社       出版日期：2020年6月

教学设计参与人员

姓名

单位

教学目标及教学重点、难点

Teaching Objectives：

At the end of the class， students will be able to：

1.find out what happened to Macquarie Island.

2. make a flow chart to show what human did， their purposes and the results and talk about the effect of these human activities on Macquarie Island;

3. talk about how similar situations could be avoided in the future.

Key points：

1. Find out what happened to Macquarie Island.
2. Make a flow chart to show what human did， their purposes and the results and talk about the effect of what human did to Macquarie Island;

Difficult points：

Talk about how similar situations could be avoided in the future.

教学过程

时间

教学环节

主要教学活动

设置意图

8

min

Step 1

Warm up

1. Starting out.

Teacher invites students to watch a video and answer the questions：

1） Are humans part of Earth’s ecosystems? Why?

2） In what ways can humans affect ecosystems?

1.To activate students’ background knowledge of  Earth’s ecosystems.

2.To introduce the topic and arouse students’  interests.

2.  Teacher invites students to look at the picture and answer the questions.

1） What animals can you see in the picture?

2） What kind of changes would take place if cats， rats and rabbits were introduced to an environment like this?

8

min

Step 2

Reading for general idea

1. Teacher leads students to read the title and make a prediction of the text.

1.To get the main idea and structure of the essay by observing， comparing， and analyzing the passage.

2.To guide students to have an overview of the text.

2.Teacher guides students to read the passage and find out what happened to Macquarie Island.

3.Teacher guides students to find out the main idea of each paragraph.

4.Teacher guides students to find out the writing style and the structure of the text.

11

min

Step 3

Reading for information

Teacher guides students to read the text more carefully and make a flow chart to show what human did to Macquarie Island， their purposes and the results.

To improve students’ ability of getting and integrating  the specific information about the actions， purposes and results of human beings and complete the flow chart.

5

min

Step 4

Application

Teacher guides students to talk about how human interference led to such severe consequences for Macquarie Island by referring to the flow chart.

To summarize  and apply what they have learned in the text.

6

min

Step 5

Reading for opinions

1.Teacher guides students to choose the author’s purpose in writing the passage and give their reasons.

1） To analyse how Macquarie Island was saved from destruction.

2） To inform readers of the chaos caused on Macquarie Island by humans.

3） To entertain readers with a funny story about what happened on Macquarie Island.

4） To suggest ways in which an ecosystem can be protected.

1.To perceive the author’s opinion of writing the passage.

2.To motivate students to infer the purpose and express their own opinions on what human did to Macquarie Island.

2.Teacher asks students to read the passage again and discuss question 2 & question 3 in Think and Share in group and then share the opinions in class.

1） Do you think it was right to eradicate the “pests” from the island? Why?

2） How could similar situations be avoided in the future?

6

min

Step 6

Thinking and sharing

Teacher encourages students to think over the following questions and show their opinions.

1） What is your understanding of “... we humans owe it to the island to give it a happy ending”?

2） What language can you use to talk about cause and effect? How would you apply it to your reading and writing?

Ss are expected to develop their thinking ability.

To motivate students to express their opinions and reasons.

1

min

Home

work

Write a summary of the passage and summarize the new words and language points you have learned， and add them to your lapbook.

Option 1： Tell your parents what happened to Macquarie Island.

Option 2： Surf the internet to read about what Macquarie Island is like now and write a report of it.

To assess what students have learnt about protecting the ecosystem.