2017必修3-unit4教案

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1、 高中英语课时教案班级高一教师时间2017.周一课题Book3 Unit 4 Period1 Warming up &pre-reading 教学目标Get students to learn about the development of the earth and making a space trip.重点Have students learn some useful new words and expressions and let them learn effective ways to remember English vocabulary.难点Enable students t

2、o use the expressions of instructions correctly in daily life. 教具Multimedia & Teaching and learning plans教学过程教学步骤教学步骤课堂导入Lead-inLead-in:1.Look at the picture on your book. Do you know the topic of this unit?教师介绍Presentation Let students think about the following questions and then discuss them with

3、their partners.1. In our solar system eight planets circle around the sun. What are they? Can you match the names with the planets?VenusEarthMarsMercuryJupiterNeptuneSaturn2. What interests you in astronomy? Do you know any questions that astronomers are interested in?Step 3 Pre-reading1. Get studen

4、ts to discuss the questions with their partners.1) The origin of life on earth is a question that interests astronomers. What do you know about it?2) Each religion and culture has its own ideas about how life began on earth. What do you know about them?2. Let them tell their stories. Encourage them

5、to tell different stories. If they dont know any, tell them some, for example, Pangu separated the sky from the earth, Pangu turned into a myriad of things, Nuwa made men, and so on.3. Ask them to read the title and look at the pictures. Predict what the reading will be about.师生互动drillsVI. Practice1

6、. Ask some students to share their description of the development of the earth and making a space trip.2. The teacher can make a conclusion to the whole class.作业布置Finish the exercises of 世纪金榜P45-46教学思考高中英语课时教案班级高一教师时间2017. 周二课题 Unit 4 Period 2 Reading :HOW LIFE BEGAN ON THE EARTH 教学目标1. Develop stud

7、ents reading ability and let them learn different reading skills.2. Enable students to know about the development of the earth.重点1. Let students read the passage and learn about the development of the earth.2. Get students to learn different reading skills, especially the reading ability of understa

8、nding implied meaning of the author.难点1. Enable students to understand the passage and know about the development of the earth.2. Let students learn how to use different reading skills for different reading purposes.教具PPT and Multimedia & Teaching and learning plans教学过程教学步骤教学步骤复习巩固RevisionFirstly re

9、view the topic learned last period, review the key words and expressions. 教师介绍PresentationI. SkimmingTask1: Skim the passage and match the main idea with each paragraph. Para. 1 The formation(形成) of the earthPara.2 The importance of water for lifePara.3 A widely accepted theory about the formation o

10、f the universePara.4 The arrival of humans and their effects on the earth Para.5 The development of plants and animals on the earthII. Scanning Task2: Read the reading passage quickly and finish the following. Allow students to read the passage carefully this time to get the important details, and t

11、hen finish the following:1) Put the order of development of life into a timeline.(1) Insects and amphibians appeared.(2) Dinosaurs appeared.(3) The earth became a solid ball.(4) Small plants grow on the water.(5) Reptiles appeared.(6) Plants begin to grow on dry land.(7) The earth was a cloud of dus

12、t.(8) Water appeared on the earth.(9) Shellfish and other fish appeared.(10) The universe began with a “Big Bang”.(11) Clever animals with hands and feet appeared.(12) Mammals appeared.Task3. Reading and discussionRead the text a third time and then work in pairs to discuss the following questions.1

13、) Why was the earth different from the other planets?2) Why did the plants grow before the animals came?3) Why is it wrong to show films with dinosaurs and people together?4) There used to be nine planets in the solar system. Recently scientists have decided that one of them can no longer be conside

14、red a planet. Do you know the name of that planet? Do you know why they removed it?5) What problem is caused by human beings?(Let students have enough time to read the passage carefully and discuss the questions with their partners. Encourage them to express their own ideas. )师生互动drills After reading the passage, let students discuss the following questions.1. Why do you think that humans are the cleverest animals on the earth?2. Do you believe that there is life on other planets? Why or why not?3. Do you think it is possible that one day people will move their

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