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Unit 4 Astronomy the science of the starsReview indefinitearticle definite article（授课日期：年月日星期班级）拟课时授课题目Review indefinite article& definite article第课时明确目标1、知识与技能：Learn to use indefinite article& definite article2、过程与方法: Self-learning, cooperative-learning and task-basedapproaches.3、情感态度与价值观：1） Get students to become interested in grammarlearning.2）Develop students’ sense of group cooperation.重点难点重点：Get students to understand and use indefinite article& definite article难点：Enable students to learn how to use indefinite article& definite article correctly.课型□讲授□习题□复习□讨论□其它教学内容设计因材施教Step 1 RevisionCheck the homework exercises.Step 2 Warming upWhat is indefinite article& definite articleStep 3 Conception冠词分不定冠词(indefinite article)和定冠词(definitearticle)两种，一般无句子重音。
1 不定冠词a，ana) a和an均用在单数名词之前，表示某一类人或事物中的"一个"，相当于汉语的"一"，但不强调数目观念。
Unit 4 Astronomy: the science of thestarsPeriod 1 Warming up and new wordsTeaching Goals:1. To arouse Ss’ interest in the knowledge of astronomy and science。
.2. To develop Ss’ ability in listening and speaking.Teaching Procedures:Step 1. Leading- inGive Ss a few minutes to say something about science by asking the following questions.（1.）Who is the first man in space，do you know？（2.）Which spaceship did Yang Liwei take to space？（3.）Do you want to go to space if you are given a chance?Step 2. Warming UpPurpose: To introduce the topic of this unit to Ss in the form of asking questions and discussion.Ask some Ss the questions first and then get Ss to discuss with each other. If time permits, have one or two groups present their answers to the whole class. (1) How many subjects are we studying now?（2）Do you have some scientific studying methods to learn them well?(3) As you see, a large number of students want to become scientists in thefuture. But what kind of qualities and skills do we need to be realscientists?Step 3. Talking (Workbook)1. Divide Ss into six groups, and ask them to talk about the request of Talking on P62 and answer the following questions. Different students will give different answers. Make notes of some valuable information and make a conclusion at last. (1) What necessary instructions should new space travelers make?(2) Can you make a list of them?2. Show Ss some beautiful pictures of the university and say, “Now look at the pictures. How beautiful the Universe is! It is also full of mysteries. Have you ever dreamed of flying to the space like Yang Liwei to unlock the mysteries of the universe? If you could, what things should you pay attention to?”3. Encourage Ss to give as much information as possible. After the discussion, write down some key words and important expressions on the blackboard to help Ss to have the sense of traveling in space .Conclusion:Before making a trip into space, we’d better make full preparations, such as : collecting as much information about the space as possible; checking whether you have got the proper spacesuits or not; making sure of all the safety rules; not leaving the spaceship alone unless the space guide tells you to; paying attention to recording some important time during the space traveling and so on.Step 3. Listening (Workbook)Purpose: To develop Ss’ listening ability.To gain some experience of traveling in space1. Get Ss to look through the exercises before giving them the listening material. At the same time remind them of the new and key words: astronaut, experience, instruments, pilot, air force, rocket.2. Ask Ss to look through the questions of the first part and listen to the tape carefully. Play the tape twice. For the first time, just ask Ss to listen for the gist. For the second time, ask Ss to prepare to do the exercises. If time permits, play again in order to give the class a chance to check or complete their exercises.。
( 英语教案 )学校：_________________________年级：_________________________教师：_________________________教案设计 / 精品文档 / 文字可改高一英语Unit 4 Astronomy: the science of the stars(教Learning English is conducive to making friends, chatting or working together with foreigners, and learning English is very useful for traveling abroad.高一英语Unit 4 Astronomy: the science of the stars(教学方案)unit 4 astronomy: the science of the starsgrammarteaching goals1 target languagea重点词汇和短语suffer, settle , realize , worry about , have got to, tie upb重点句子：he was very disappointed.what it was to become was a mystery.to save money, you must use as few words as possible.c. practise talking about problems in study or lifemy problem is… the difficulty is… my trouble is…the question is… my advice is… what i think about it is…the fact is… my suggestion is…2 ability goalslearn to use noun clauses as the subject..3 learning ability goalslet ss learn how to use noun clauses as the subjectteaching important pointsthe use of noun clauses as the subjectteaching difficult pointshow to teach the ss to learn to use noun clauses as the subjectteaching methodslearn grammar through practiceteaching aidscomputerteaching proceduresstep 1 revision1.check retelling of the passage.the explosion of the earth produced water vapor, which turned into water when the earth cooled down. water allowed the earth to dissolve harmful gases into the oceans and seas. that made it possible for life to begin to develop. the arrival of small plants encouraged the development of early shellfish and all sorts of fish. many millions of years later the first green plants began to appear on land. later land animals appeared. some were insects. others, called amphibians, were able to live on land as well as in the sea. when the plants grew into forests, reptiles appeared for the first time. later, dinosaurs developed. they became the most important animals on the earth for millions of years. after they disappeared,mammals became more important. they were the last group of animals and they were different because they produced their young from within their bodies. small clever animals, with hands and feet, appeared and spread all over the earth. as time went by, they covered the earth and have become the most important animals on the planet.2.translate the following sentences.1.你迟早会成功的。
Unit 4 Astronomy the science of the starsAttributive clause（why that）（授课日期：年月日星期班级）授课题目Attributive clause（why, that）拟课时第课时明确目标1、知识与技能：Get the students to know the relative adv. “why”and “that”2、过程与方法:Communication way of teaching, discussion and group work.3、情感态度与价值观：Get the students to know in what situation we canuse the relative-pron or the relative-adv.重点难点重点：The functions of “why” and “that” used in the attributive clause, and the language situations about it.The characters of the antecedent of them.难点：How to chose the relative-pron.or the relative-adv.课型□讲授□习题□复习□讨论□其它教学内容设计因材施教Step 1 RevisionCheck the homework exercises.Step II Conception1) 关系副词why在定语从句中做原因状语，其先行词是excuse, explanation , reason 等。
但是不能引导非限定性定语从句3、关系副词why引导的定语从句1) 当先行词是表示原因的reason, excuse, explanation 的时候，同时关系词又在从句中做原因状语，这时定语从句要由关系副词来引导.注意why不能引导非限定性定语从句Do you know the reason why she was late?2)why可以用for + which 代替。
[高中英语作文]太空探索（Unit4 Astronomy: the science ofstars）话题：太空探索（Unit4 Astronomy: the science of stars）最近，你班同学就“太空探索是否值得”这一话题展开了一场讨论。
请你根据下表提供的信息，用英语写一篇短文介绍讨论的情况。
注意： 1. 词数：120左右； 2. 参考词汇：短缺 shortage。
Recently, students in our class have had a discussion on whether space is worth exploring.30% of us think space exploration is not worthwhile. They think space istoo far away from us and our daily life. And the money spent on space exploration ca n be used to solve the earth’s problems such as starvation and pollution.On the other hand, 70% think space is worth exploring because we have benefited a lot from it, such as using satellites for communication andweather forecast. What’s more, with further space research, we may solve the population problem by moving to other planets one day. Also, space researchwill enable us to find new sources to solve the problem of energy shortages on the earth.翻译：最近，我们班的学生们就太空是否值得探索进行了讨论。
教学设计Unit 4 Astronomy --- the science of the starsReading: How life began on the earth一、Teaching aims and demands :1.Learn about the development of the earth itself and life on the earth.2.Learn how to get right information from the text.3.Strengthen our awareness to protect our earth.二、Teaching key and difficult pointsKey points: to grasp the main idea of the passage and to learn some reading strategies. Difficult points: to use the reading strategies in the reading procedure.三、Teaching aidsThe multimedia四、Teaching methodsTask-based language teachingCommunicative teaching group五、Teaching proceduresStep 1 Pre-readingShow students the picture on students’ books.Ask them some questions about the development of the earth and life, as well as some theories about it.设计意图：此部分设计了warming up 和leading in 的环节，通过图片和问题引出本课话题，了解学生对天文方面的背景知识的掌握情况。
