初中英语9B Unit 1 Period 2教案+学案+配套练习

9BU1P2一备：南苑中学陈丽娟二备：启东中学顾海宁教案Teaching aims:1) To understand the context of a future life on another planet.2) To recognize and understand vocabulary about life on Mars.3) To recognize and list differences between life on Earth and life on Mars . Teaching aids:a recorder, multi-computerTeaching procedures:Step 1.Lead-in .Say: People have long been dreaming about living on Mars. There are a number of films about this topic like The Red Planet and Mission to Mars .Do you believe that humans will ever be able to live on a different planet ?Step2. Presentation1) Now, let’s watch some pictures about life on Earth today .Teach crowdedand Polluted.2) Say: Simon and Daniel are talking about living on Mars. Listen and answer. Step 3 Reading1) Say: Daniel wants to find out more about life in space in thefuture ,here’s the article. Please open your books and turn to page4..Before we read it, let’s deal with the new words first. Look at here, please find out these new words in the article and guess their meanings.2) Check their answers.Read the new words.3) Listen to the tape and answer the following questions:1. How long does it take to fly to Mars at present?2.What is the gravity on Mars?3.Where will we live on Mars?4.How will we study, do homework and take exams?5 What will food be like on Mars?4) Say: Now please read the article more carefully and try to tell the following sentences T or F. If it is false, please correct the mistake.1. By 2100, people might live on Mars. ( )2 .Mars is becoming crowded and polluted. ( )3. By 2100,the space shuttles can travel at half the speed of sound. ( )4. By 2100, scientists can develop plants on Mars to get food andoxygen ( )5 Humans on Mars have to wear special boots to make themselves lighter. ( )6. We will have less time for our hobbies on Mars.( )7 .Students will go to school by spacecraft. ( )8. Space travel might make people feel ill. ( )5) Check their answers.6) Say: Now listen to the tape and try to find out differences between lifeon earth and life on Mars.Step 4DiscussionWould you like to live on Mars? Why or why not?Step 5 HomeworkRead the article again and againFinish the exercises in your homework.学案一、学习目标1. 掌握所有单词以及他们的词性变化。

2. 掌握有关短语及句型。

二、学习重点Reading部分中的有关短语和句型三、学习难点学会本单元的语法四、教具学具投影仪和电脑五、教学环节1．预习交流默写词组：life on another planet life in space in the futurea book of science move to Marsat the moment by the year 2100become more and more crowded and pollutedbuild a better world first of allcarry larges of people in space shuttlesat half the speed of light develop plantsproduce the food and oxygen three-eighthsfloat away into space wear special bootsbecome very fashionable various designschoose from2.展示探究1).move v.搬迁，移动，感动Let’s move this chair to the living room.moving adj.动人的，令人感动的The trip to the poor area is deeply moving experience.2).at the moment =now 此刻，现在in a moment 立刻，马上，一会儿（用于将来时）a moment later 过了一会儿at the very moment 就在那时for the moment 目前，暂时3）.It’s +adj. +to do sth.. /It’s +adj. + for sb. to do sth../It’s + adj.+ of sb. to do sth.eg. It’s difficult to learn English well.It’s difficult for us to learn English well.It’s nice of you to give me the present.4).imagine vt.&vi. imagination n. imaginative adj.imagine +从句eg. Close your eyes and imagine that you are in the park.imagine + doing sth.She imagined sitting in the restaurant and eating a big dinner.5).by the year 2100到2100年（by 不迟于，在……之前）eg. Can you finish the work by eight o’clock ?6).more and more +adj. 越来越……more and more +n. 越来越多eg.My daughter gets more and more careful.More and more people have cars.7).crowded adj.太多的，拥挤的eg. The supermarket is crowded with people.crowd v. 挤满eg. Thousands of people crowded the street.crowd v. 聚拢（与介词around/round连用）eg. We crowded around the stove to keep warm.crowd n. 人群，观众8).polluted adj. 受污染的pollute v. 与by /with 连用eg. The water is polluted by the factory.pollution n.(air /water /noise pollution)9)first of all / firstly 首先(用于引出一系列的事实、理由、意见)at first 首先，（最初阶段的情况，与后来的不同情况相比较）eg. There are two reasons for this decision. Firstly，the task is easy to finish,secondly ,it can make us feel relaxed.At first,I found it difficult ,but now I can do it.10).transport un.交通运输系统 cn.运输船、车、机 vt.运输，输送11).too…to 太……而不能与so …that 的否定句/not +adj. enough to do sth.转换eg. He is too old to get the job.=He is so old that he can’t get the job.=He is not young enough to get the job.12).a large number of/large numbers of+cn.pl=manythe number of +cn.pl 后接谓语动词单数A large number of students are going to Shanghai tomorrow.The number of the students is 3,000.13).need sb. /sth.to do sth.Sth. needs to be done. =Sth. needs doing .14).survive vt. survival n.( 类似地：arrive-arrival )15).develop v.开发，研制，发展，壮大developing adj. 发展中的 developed adj. 发达的 development n.发展，出现China is a deve l oping country while America is a developed country.16).three-eights 八分之三（分数表达法：分子用基数词，分母用序数词，分子大于1，分母加s eg. one-fifth , two-seventhsTwo-fifths of the work is hard to finish.Three-sevenths of teachers in our school are women teachers.17).prevent vt.预防，防止，阻碍 prevention n.prevent sb. from doing sth.=stop sb. from doing sth.=keep sb. from doing sth. 18).make +宾语+宾补（adj./n,/v./v.p.p.）eg. We made him our monitor.Raining days make him sad.He often makes us laugh.Speak louder to make yourself heard.3.课堂交流（课堂训练题）Listen and answer some questions.1. How long does it take to fly to Mars at present?2.What is the gravity on Mars?3.Where will we live on Mars?4.How will we study ,do homework and take exams?5 What will food be like on Mars?Say: Now please read the article more carefully and try to tell the following sentences T or F. If it is false, please correct the mistake.1. By 2100, people might live on Mars. ( )2 .Mars is becoming crowded and polluted. ( )3. By 2100,the space shuttles can travel at half the speed of sound. ( )4. By 2100, scientists can develop plants on Mars to get food and oxygen( )5 Humans on Mars have to wear special boots to make themselves lighter. ( )6. We will have less time for our hobbies on Mars.( )7 .Students will go to school by spacecraft. ( )8. Space travel might make people feel ill. ( )Check their answers.检测Now listen to the tape and try to find out differences between life on earth and life on Mars.Work in pairs and finish the table.5.Homework1)Read the article and finish the exercises.2)预习Reading part II默写下列词组compare with in many wayshave more space have more time for our hobbiesconnect to in some waysin the form of pills the journey to Mars阅读Reading配套练习一、根据句意及所给字母或汉语提示，完成下列句子1.Now Earth is becoming more and more __________(拥挤).2.I d_________ (grow and improve) an interest in Art when I was at primary school.3.They were the first Chinese s________ (people who go to live in a new area) to America.4.If you go there in summer，you’ll enjoy v_________(different) kinds of flowers. 5——Look ! The boy is running so fast!——It’s hard to i_________ that his right leg was once broken.6.As we all know，Earth is one of the p_________ of the sun.7.H_________，like animals and plants，need water and air as well.8C__________ with the answer that his teacher gave，he did the Math problem again.二、用所给单词的适当形式填空A.用括号中所给单词的适当形式填空1.There isn’t any __________(problem) on Mars.2.__________(hope)，they believe that they can win the final match.3.It’s __________(high) possible that we’ll move to Mars in the future.4.Daniel is thinking about what life __________ (be) like in the future.5.Yuan Longping is one of the most famous __________(science) in China.6.Mrs Green felt __________(comfortable) because of seven hour’s train trip.B.用所给动词的适当形式填空agree float give teach not go be1.The gravity on Earth can prevent people from _________ away into the sky.2.There __________ little space for people to stand in the future，will they?3.Andy __________ with his sister when we went to visit him this morning.4.Student were made __________ to the public places because of the terrible disease.5.Look!A number of children __________ themselves different skills for physical exercises.三、选择填空( )1.Plants on Mars should provide food，water and oxygen __________humans.A. withB. to C .of D. for( )2.—__________do we need to move to Mars?—Earth is crowded and polluted.A .How B. Why C. What D. Where( )3.Now a large number of children __________ fatter and fatter because of eating too much.A. is becomingB. becomesC. are becomingD. has become( )4.__________ of the students in our class will visit the home of the elderly this weekend.A. Three fourB. Three fourthC. Three fourthsD. won’t there( )5.There will be no pollution on Mars，__________?A. will itB. won’t itC.will thereD. won’t there( )6.In the shopping mall，there’re many different kinds of boots for people__________.A. chooseB. to choose C .choose from D. to choose from四、用方框中所给单词的适当形式填空，使短文正确、完整。