初中Unit 4 Computers获奖教案及反思

这是一份初中Unit 4 Computers获奖教案及反思，共8页。
牛津上海版九年级第一学期unit4教案Period 1 Learning objectives:（学习目标）Knowledge objectives:（知识目标）Help the students to understand the general meaning of the reading material.To mater some language points about the reading material Ability objectives:（能力目标）To construct self-learning ability and cooperative learning abilityEmotional objectives: （情感目标）To believe in ourselves and know that we cannot depend on computers too muchMain and difficult points: （重点和难点）To understand the general meaning of the reading material  Learning method: （学习方法）Self-learning Method; Cooperative learning, Discussion Teaching procedure: （教学过程）I. Warm-up1. Salad English2．New sentence: I might say that success is won by three things: first, effort: second, more effort: third, still more effort. 可以说成功要靠三件事才能赢得：努力、努力、再努力。 II. ReadingI). Pre-readingA. what do you know about?B. Find the factsII). While-reading  Ask students to read the text quickly and carefully, then invite students to answer the following questions: Paragraph 1:   What is hidden helpers?-- Tiny, hidden computersParagraph 2:   1) What kind of jobs can a computer do? (just give key words, as many as possible )    -- calculate very fast, type, print, draw things, teach you, play with you,operate railways, fly aeroplanes    2) What do we often call computers?    -- electronic brainsParagraph 3:1)     Does a computer work by himself? -- No.  2) What do we have to do if we want a computer to do different jobs for us?     -- give it different programs.Paragraph 5:1)     True or falseA CD-ROM can hold over 300,000 pages of writing, but cannot contain pictures and sound.-- False. A CD-ROM can hold over 300,000 pages of writing, and can also contain pictures and sound.2) Some people think that CD-ROMs will never be more popular than books.  -- False. Some people think that CD-ROMs will soon be more popular than books.Paragraph 4:1)     Is a computer cleverer than you? –For the time being, no.2)     One day computers may be able to do most things that a human brain can do and do them better. Is it true?--Yes.3) Free talk:  What will happen to us if computers can do our jobs?  How will we spend our lives?  Will we have nothing to do?  Computers may change our lives. But will they make them better?III). Post-readingExercise for new words: Fill in the blanks and guess the meanings of missing words according to the context of sentences.1)     Maybe you depend on your computers more than you         . (realize)2)     It is                that computers are super calculators. (common knowledge)3)     Computers can also type,         and draw things. More importantly, they can            railways. (print, operate)4)     We often call them            brains. (electronic)5)     Is a computer clever than I am?             , it is not. (For the time being)6)     Your brain can understand the        of things better and create new ideas. (meaning)7)     They may be better than doctors,       and teachers at doing their jobs. (judges)8)     If it is true, it       interesting questions. (raises)9)     We give a computer instructions by putting a         into it. (program)10) A CD-ROM can hold        300,000 pages of writing, and can also contain pictures and sound. (over)Word Bank:n./n. phrases: common knowledge, meaning, judge, programv.: realize, print, operate, raiseadj.: electronicprep./ prep. Phrases: for the time being, over3. Post- activities 1) Find the meanings (Exercise C, page20)2) Read and think (Exercise D, page 20)III. HomeworkDesign of writing on the blackboard: ( refer to the language points )(板书设计)Reflection: （课后反思）   Period 2 Learning objectives:（学习目标）Knowledge objectives:（知识目标）To mater some language points about the reading material Ability objectives:（能力目标）To construct self-learning ability and cooperative learning abilityEmotional objectives: （情感目标）To know that we cannot depend on computers too muchMain and difficult points: （重点和难点）To be familiar with all the language points in the reading material  Learning method: （学习方法）Self-learning Method; Cooperative learning, Discussion Teaching procedure: （教学过程）I. Warm-up1. An English sentence: Life is measured by thought and action, not by time.衡量生命的尺子是思想和行动，而不是时间。2. Have a short playII. RevisionRead and spell the new wordsIII. Summary of the language points1. Have a group Discussion2. Raise and answer the questions3. Summarize the language points1. Explain the main phrases in the text.1) hardly ( adv.) = almost not   这个词为否定，如果句子中含有这个词，句子为否定句。注意与hard 区分( adj. adv. ) 努力的、辛苦地2）hide ( hid, hidden) (v.) 躲藏，隐藏   hidden (adj.) 隐藏的3）depend on something/ doing somethingIt depends. (视情况而定)4) calculate ( v.)  calculator (n.)  calculation( n.) do some calculations 5) answer (n.)  the answer to the question/ give the right answers   answer (v.)  answer the question6) job (c.)   a job     work (v./n.)  a piece of work7) maybe/ may be He may be our new class teacher. He is maybe our new class teacher.8) be aware/unaware of: realize9）like/ such as10) create/ creative/ creativity11）by doing sth12) a human being/ a man/ a human2. Main meaning of the text.  These are five short texts typical of information leaflets or newspaper or magazine articles, discussing different aspects of computers in the modern world.3. Synopsis:P1-2: Hidden helpers --- The use of computers has spread very quickly. There are small computers inside everyday appliances in the home.P3:  What kind of jobs can a computer do ? --- Computers are electronic brains. They can perform many functions, calculate and even control whole railway systems.P4:  How do we give a computer instructions ? ---Computers are given instructions by means of programs.P5-6: Is a computer cleverer than I am ? --- At present, the human brain is superior to the computer, as it has greater understanding, but this may change. If computers can do some of our jobs better than we can, how will our lives change?P7:  CD-ROMs --- Many of today’s computers use CD-ROMs, which can hold huge amounts of information and also pictures and sound.IV. Homework:1. Listen to the recording of the text on P18,19 and read the text some times.2. Recite the text P1-3.Design of writing on the blackboard: ( refer to the language points )(板书设计)Reflection: （课后反思）   Period 3 Learning objectives:（学习目标）Knowledge objectives:（知识目标）Help the students to master comparative degree and superlative degree.To mater the uses of some irregular adjectives like bad, good and far. Ability objectives:（能力目标）Students can use adjectives to compare things.Emotional objectives: （情感目标）Students will feel that it’s really easy to master this language point.Main and difficult points: （重点和难点）The use of the in superlative degree.The comparative and superlative forms of some irregular adjectives.Learning method: （学习方法）Self-learning Method; Cooperative learning, Discussion Teaching procedure: （教学过程）I. Warm-up1. Salad English2. Spelling competition: Do like this:  red-redder-reddestII. Teaching procedure:Pre-tast: 1．语法复习：（1）构成A 大多数单音节形容词的比较级和最高级的构成是在其原级后面加上-er和-est：small----smaller----smallestnew----newer----newestB 许多单音节形容词只有一个元音字母，其末尾为一辅音字母。在比较级和最高级形式中，这个辅音字母要双写：big----bigger----biggestthin----thinner----thinnestC 许多单音节形容词以-e结尾，如 nice。这些形容词只需在原级形式后加-r和-st：large----larger----largestnice----nicer----nicest D 有些形容词以-y结尾，而在-y前是一个辅音字母。这些形容词一般有两个音节。变为比较级和最高级时，-y要变成-i，末尾再加-er和-est：easy----easier----easiestheavy----heavier----heaviestE 大多数较长的形容词（即有两个以上音节的词）可与more连用构成其比较级形式，与most连用构成其最高级形式。useful----more usefulexpensive----more expensiveF 但有少数形容词的比较级和最高级是不规则的，必须熟记，如：good----better----bestbad----worse----worstfar----farther----farthest （2）用法比较级只用于两者之间，通常与than连用。形容词比较级之所指如果很清楚，它也可独立存在：This bike is newer than that one.Which is more expensive, the red one or the yellow one？This coat is longer. 最高级用于3者或3者以上。形容词的最高级在使用时必须加定冠词，并常伴有一个表示范围的介词短语或从句：That girl is the tallest student in our class. 注意识别比较级和最高级的标志。While-task:2．相关练习：  1） Ask students to do the exercises (A--C)on the book. 2)  Invite some students to share their answers with the whole class, and encourage them to explain the basis for their answer. Post-task:  A competition: Make sentences with the following adjectives.  Requirements: 2 sentences for each adjective, one is comparative degree, and the other is superlative degree.   Rules: The student who can say the sentences most quickly can get a point.     Period 4  Listening and Using English Learning objectives:（学习目标）Students will learn some abbreviations from USING ENGLISH.Help students to improve the ability of listening.Students learn some skills of writing while listening. Main and difficult points: （重点和难点）Wring while listening.Teaching procedure: （教学过程）I. Warm-upReading newspaperII. Using English Explain what abbreviation is. (Refer to the textbook)Ask students to do Exercise A.Check the answers in the whole class.Ask students to do Exercise B.Check the answers in the whole class.III. ListeningPlay the recording and ask the students to get a general meaning of the dialogue. They should try to write as much information as possible in the blanks.Tell students: They can write abbreviations or only a part of the words in a blank if they cannot write quickly enough.For example:               metres--------mfloppy disks--------flo dis              3 boxes--------3Play the recording again and ask students to check their answers as well as finishing the uncompleted words or blanks.Check the answers in the whole class.Quick repeat and translation (Keep scores for each group)Play the recording sentence by sentence. The students should listen carefully and try to repeat the whole sentence and translate it correctly. When the recording stops, they should raise their hands quickly.Period 5  Speaking Learning objectives:（学习目标）Continue help students to practice the comparative and superlative forms.Help students to take part in conversations expressing opinions. Main and difficult points: （重点和难点）Make conversations by students themselves.Teaching procedure: （教学过程）I.Warm-upReading newspaperII. Talk Time:Ask students to read the dialogue in pairs. Stress the comparative and superlative forms in the dialogue.Ask some pairs to act the dialogue out.Exercise A1:Ask the class to read the conversation and practice it until they can say it well.A contest: Who can say it best?Invite some students to act the conversation out in pairs. The teacher should give them some suggestions if their pronunciation and intonation are not good.Exercise A2:A contest: Who can answer the questions most quickly?The student who raises his or her hand most quickly can answer a question, but he or she should answer it in complete sentence.Exercise A3:A contest: Which pair is the best?Ask students to work in pairs to make a similar conversation with the words given.Invite some pairs to act their conversations out.III. Speak upDo it as B1 and B2.   Period 6  Writing Learning objectives:（学习目标）Continue help students to practice the comparative and superlative forms.Main and difficult points: （重点和难点）The spelling of comparative and superlative adjectives.Teaching procedure: （教学过程）I.Warm-upReading newspaperII.  Exercise  ADo it as the exercise requires.Invite some to students to read passage and spell the missing words while reading.Check the answers.  Notes: We use the comparative adjectives higher and lower when we are referring to price.III. Exercise  BDo it as the exercise requires.Invite some to students to read passage and spell the missing words while reading.Check the answers.Remind students to pay attention to the use of prepositions:1)      Nearer to   2)      Farther fromIV. Additional activity:1. Ask students to write a few sentences comparing:※their primary school and their secondary school;※Shanghai and Beijing;※trams and buses;2. Invite some students to read their sentences.V. Summary:How many mistakes did you make during this class? Do you know how to correct them now?