河北省涞水波峰中学人教版高中英语必修4课件:Unit4泛读(共19张PPT)

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useful connectors (later, when, next, after that, then, however, finally…)
Think and answer: What happened after mammals appeared?
What should we do to protect the earth ?
Reading
Fast reading
Read the passage quickly and match the main idea with each paragraph.
Para1 Para2 Para3 Para4 Para5
1. How the earth formed(形成) . 2. The importance of water for life.
eat up our food
plant trees recycle the rubbish
Homework
Design a poster to call on people to protect the earth.
Thank you
优秀作品展示
Groups
Names
Advantages
1
张俊芳 吴蕊
2
张楗毓 蔡荐烁Biblioteka 认真3张春苗
整齐
4
杨思琦
5
王子铭 王宇彤
正确
6
晋梦瑶
7
高珊珊 郑琪嘉
8
蔡博凯
9
马功博
Most of you could finish the learning guide
paper on time. You did a good job! You are great!
3. How the universe(宇宙) formed.
4. The arrival of humans and what they did to the earth. 5. The development of plants and animals on the earth.
Careful reading
Unit 4 Astronomy
Feedback
Excellent part: Revision Difficult part: Task 3 Some of ss didn’t finish: Think and answer
1. Some didn’t read the text carefully. 2. Some of you didn’t finish some tasks correctly.
一个被广泛接受的学说
3. _i_n__time 及时;终于 4.cool _d_o_w__n_冷却下来;变凉 5.be _fu_n__d_a_m_e_n_t_a_lto 对……(来说)是基本的 6.a _ch__a_in_reaction 连锁反应 7. __la_y__eggs 下蛋 8.give ___b_ir_t_h__to 产生;分娩 9.in one's __t_u_r_n___轮到某人;接着 10._p_r_e_v_e_n_t...from 阻止;制止
• 3. Design a timeline to describe each stage in the development of life.
• 4. Awake the awareness of protecting the earth.
Review words
• 根据汉语意思补全短语
1.solar _s_y_st_e_m_ 太阳系 2.a widely __a_c_ce_p_t_e_d__theory
1( ) Small plants began to appear on the water.
4( )Insects and amphibians appeared. 2( )Shellfish and other fish appeared.
6( ) Dinosaurs appeared.
7( ) Mammals appeared.
3( ) Plants began to grow on dry land.
5( ) Reptiles appeared.
Task3 Design a timeline to show the development of life.
The universe began with a “Big Bang”.
Learning goals
• 1. Grasp the main idea of the passage and the main idea of each paragraph.
• 2. Get to know the stages as to how life began on the earth.
Task 1 Read paragraphs1-3 and answer the following questions.
1. How did the universe begin? (Para 1) The universe began with a “Big Bang”.
2.What was the earth like between 4.5 and 3.8 billion years ago? (Para 2) It settled into a solid globe.
3. Why was the earth different from the other planets(行星)? (Para3) Because water remained on the earth.
Task 2 Read para4 and put these pictures in order.
Let’s enjoy a short video.
What animals appeared in the video?
mammal 哺乳动物 insect 昆虫
dinosaur 恐龙
amphibian 两栖动物 shellfish 水生有壳动 reptile 爬行动物
What is this video mainly about?
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