最新课件(刘述民)

1、Reading,4.5-3.8 billion years ago,many millions of years later,250 million years ago,65 million years ago,So long ago,How Life Began on the Earth,Predict the main idea and structure from the title and picture（浏览标题和图片，预测大意和结构,1.What is the passage mainly about ? A. The birth of the earth B. Why dinos

2、aurs died out. C. The appearance and development of life on the earth. D. The fact that human beings caused global warming. 2.How is the passage developed according to the picture on page 26? A. in space order B. in time order C. by giving examples D. by comparing,Predict the main idea and structure

3、 from the title and picture（浏览标题和图片，预测大意和结构,1.What is the passage mainly about ? A. The birth of the earth B. Why dinosaurs died out. C. The appearance and development of life on the earth. D. The fact that human beings caused global warming. 2.How is the passage developed according to the picture o

4、n page 26? A. in space order B. in time order C. by giving examples D. by comparing,Paragraph 1,Paragraph 4,Paragraph 5,D) The origin of the universe,E) The formation of the earth,A) The importance of water for life,B) The development of plants and animals on the earth,C) The arrival of humans and t

5、heir influnce on the earth,Paragraph 2,Paragraph 3,Task1:Read the text quickly and find out the main idea for each paragraph. Check your answers in groups,Fast-reading（快读文本，获取大意,10,7,3,8,4,9,6,1,5,2,12,11,1. Insects and amphibians appeared. 3. The earth became a solid ball. 5. Reptiles appeared. 7.

6、The earth was a cloud of dust. 9. Shellfish and other fish appeared. 11. Clever animals with hands and feet appeared,2. Dinosaurs appeared. 4. Small plants grew on the water. 6. Plants began to grow on dry land. 8. Water appeared on the earth. 10. The universe began with a Big Bang. 12. Mammals appe

7、ared,2. Put the order of development of life into a timeline according to the reading passage,Task1: Guess the meaning according to the context. (根据上下文猜测词义,What does the underlined word “it” in paragraph 3 refer to? Water had also appeared on other planets like Mars but unlike the earth, it had disa

8、ppeared later. .Which sentence in paragraph4 is the closest in meaning to the following one? It is still unknown why the dinosaurs disappeared suddenly. . What does the underlined word “amphibians” in paragraph 4 refer to? They were followed by land animals. Some were insects. Others, called amphibi

9、ans, were able to live on land as well as in the water. A. 陆生动物 B。 水生动物 C.水陆两栖动物,water,Why they suddenly disappeared still remained a mystery,Careful reading for more details(细读文本，寻找细节,Task2:Read paragraph 2 -5, and answer: (1)What happened on the earth after the “Big Bang”? (2) How did water come i

10、nto being(形成） on the earth? (3) what was the importance of water? Is it wrong to show films with dinosaurs and people together? Why? What problem has been caused by humans,Careful reading for more details(细读文本，寻找细节,a cloud of dust,a solid globe,1)What happened on the earth after the “Big Bang”,2) Ho

11、w did water come into being(形成） on the earth,The earth cooled down, water began to appear on its surface,what was the importance of water? Is it wrong to show films with dinosaurs and people together? Why,Careful Reading for more details(细读文本，寻找细节,It made it possible for life to develop,Yes. Because

12、 65 millions of years ago the age of dinosaurs ended, but about 2.6 million years ago the human beings appeared,They are putting too much carbon dioxide into the atmosphere，which prevent heat from escaping from the earth into space. The earth may become too hot to live on,What problem has been cause

13、d by humans,The earth is becoming hotter and hotter,1 What is even more important is that as the earth cooled down, water began to appear on the earth. 2 What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and sea

14、s. 3. What it was to become was uncertain until between 4.5 and 3.8 billion years ago,that与what的区别。that在从句中不能够充当句子成分，也没有含义；what可以在从句中作主语、表语、宾语或定语，意思是”什么，的事情,Important sentences重点句式,练一练，看一看你有多棒！ （2011北京） Barbara Jones offers to her fans is honesty and happiness. A. Which B. What C. That D. Whom .(07全

15、国)_matters most in learning English is enough practice. A. WhatB. WhyC. WhereD. Which 06辽宁makes this shop different is that it offers more personal services. A. WhatB. WhoC. WhateverD. Whoever 02上海_fashion differs from country to country may reflect the cultural differences from one aspect. A. What

16、B. ThatC. ThisD. Which,拯救地球（田震、零点乐队）.flv,As a student, What do you think we should do to protect the earth and make it a better place to live on,Useful expressions ： In my opinion Personally I think As far as Im concerned,. Dont We should/ shouldnt,Discuss in groups(小组讨论,Save paper: Give away your b

17、ooks to others to reuse. Use both sides of your paper. Use cloth towels instead of paper towels or napkins,Save electricity by turning off the light whenever we are the last to leave the classroom,Save every drop of water. We shouldnt leave water running while we brush teeth,Go to school by bike or

18、on foot instead of by car,Take a natural green bag or basket instead of a very thin plastic bag when you go shopping,Plant more trees and grow more grass,congratulations,We have only one earth,We should take care of the earth,Homework（课后作业）： 1.Write a short passage about how to save our earth, according to the following three aspects .its necessary to save the earth. how to save the earth. summary 2.Self-reflection and evaluation(自我反思与评价） Can you find out the