2019-2020学年高中英语人教版必修三Unit4 Period2 Reading学案

7. reptiles (on land) 8.dinosaurs(on land) 9.mammals(on land)
T: That's all for this passage. Now let's deal with some language points.
Passage Analyzing
重难点
1 Enable the Ss to catch the main idea of the text.
2 Learn some detailed information in the text;
教学过程
课题导 入
Ask Ss to read the whole passage carefully and underline the important words and sentences
4. What problem is caused by human beings?
They cause global warming.
Step3. Analyze how life began on earth.
节 T: No.3, finish the following form.
1 small plants in
Para 2: The formation of the earth
学 Para.3: The importance of water for life Para.4: The development of plants and animals on the earth
Para.5: The arrival of humans and their impact on the earth
环
The water stayed on the earth but not on other planets.
3. Why was it necessary for plants to grow before animals?
Plants provided oxygen for animals to breathe.
Chart of the text
How life began on the earth
water
1 small plants in water
2 shellfish and all sorts of fis h
4 insects(on land) 5 amphibians(on land and in water)
Step 3 Homework Retell the passage according to the form. Remember important language points.
教育资源
课堂 小结 教学反
思
教育资源
Step2. Reading and answer the questions.
1. Why was the earth different from other planets?
The water remained.
2. Why was life able to develop on the earth but not on other planets?
3 green plants on land 6 forests
4 insects (on land) 5 amphibians (on land and in water)
7 reptiles (on land) 8 dinosaurs (on land) 9 mammals (on land)
10. small clever animals with hands and feet
2
water
教育资源
3 green plants on la nd
4insects(on land) 5
6 forests
7
8
9
Key to the exercise:
2. shellfish and all sorts of fish 5.amphibian(on land and in water)
Read the passage carefully and analyse its structure. Write down the main idea for each
paragraph.
Para.1: A widely accepted theory about the formation of the universe
2019-2020 学年高中英语人教版必修三
班级
学科 英语 时间
月 日 星期 第 节
课题 Unit 4 Astronomy: the science of the stars
Period 2 Reading
教学Байду номын сангаас 标
1. Learn some detailed information in the text. 2. Improve the students' reading ability. 3. Train the students' ability to grasp key information while reading.
Teaching procedures:
Step1. Reading
T: Read after the tape, then answer me some questions with your book closed.
教 T: How did water come into being on the earth? T: Why is water important on the earth?
11. human
summary & Writing Style The text is common science writing, which tells the readers how the universe developed and how life began on the earth. It provides a scientific background to any investigation into space and it's factual. It's written in a formal way. And all the information is based on scientific research.