六年级英语下册 Unit 11教案 人教新起点

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 future a book of science move to Mars at the moment by the year 2100 become more and more crowded and polluted build a better world first of all carry larges of people in space shuttles at half the speed of light develop plants produce the food and oxygen three-eighths float away into space wear special boots become very fashionable various designs choose from2.展示探究1).move v.搬迁，移动，感动 Lets 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）.Its +adj. +to do sth. /Its +adj. + for sb. to do sth./Its + adj.+ of sb. to do sth. eg. Its difficult to learn English well. Its difficult for us to learn English well. Its 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 oclock ?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).tooto 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 cant get the job.=He is not young enough to get the job.12).a large number of/large numbers of+cn.pl=many the 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 developing 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seg. one-fifth , two-sevenths Two-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 t