浙江省衢州市高中英语 Unit 3 Life in the Future课时4教案 新人教版必修5.doc

4th period important language points(2) 1. 教材分析 the emphasis of this period will be placed on the important new words, expressions and sentence patterns in this unit. in order to make students understand these important points thoroughly, we can first get students to understand their meanings in the context, then give some explanations about them, and later offer some practice to make students master their usage. 2. 学情分析language points are the fundamental of learning english; however our students are all afraid of learning english, especially for some complicated language points. 3. 教学目标1.知识目标1). get students to learn and grasp the important and useful new words and expressions in this part. 2).let students learn the following important and useful sentence patterns. 2.能力目标1). get studennts to use some useful new words and expressions correctly.2). enable students to make sentences with the useful sentence patterns. 4. 教学重点1. enable students to grasp the usage of such important new words and expressions as, impression ,take up,surrounding,lake, lose sight of ,sweep up, switch,constantly,be back on ones feet,fasten,slide into ,etc. 2. get students to master the patterns “the air seemed thin, as though its combination of gases had little oxygen left.” and “however, i lost my sight of wang peng when we reached what looked like a large market because of too many carriages flying by in all dircctions .” 教学难点1. let students learn the important of the words.2. 2. get students to understand some difficult and long sentences. 5. 教学过程*warm upstep 1 revision1. check the homework exercises.2. ask some ss to talk about body language. *presentation/practicestep 2 practice for useful words and expressions.1. soon i was back on my feet again and following him to collect a hovering carriage driven by computer. 很快我又重新振作起来，跟随他领取了一部由电脑控制的气垫车.1）back on ones feet 经受打击后重新站起来，再次恢复了健康2）driven by computer在句中作定语,相当于 which was driven by computer；过去分词短语作定语通常放在被修饰的词后面，相当于一个定语从句：the suggestion made by the foreign expert was adopted by the manager.外国专家所提出的建议被经理采纳了。2. these hovering carriages float above the ground and by bending or pressing down in your seat.1）by+ doing 用某种方式或手段, 如, they put out the fire by pouring water on it. 他们泼水扑灭了火； 句中by bending and pressing down on the driving stick strongly修饰move swiftly,表示使气垫车“迅速地移动”的手段；driving stick中的driving为动名词作定语，表示用途，如：a sleeping car 用来睡觉的车（卧铺车）；one在句中泛指人。2）bend 弯曲；使弯曲；弯腰；弯身；常用搭配有: bend ones mind/efforts to sth. 致力于某事；bend sb. to sth. 迫使；说服 bend the truth 歪曲事实its hard to bend an iron bar. 把铁棒弄弯很不容易。she _and kissed her daughter.她低下头吻了她的女儿。key:bent her headthe road_ sharply_. 路向右急转弯。key:bent to the right.3) press v. 压；按；推；挤；坚持；敦促 n. 报章杂志，新闻工作者，新闻界做一做:she _ _hard _the gas pedal.她用力踩下油门踏板。 key:pressed downonhe is still _her claim_ compensation(赔偿).他仍坚持索赔。 key:pressing for_ _was/were not allowed to attend the trial(审判).庭审谢绝新闻采访。key:the press4）by后接动名词，常作状语，修饰谓语或某个动作，表示其行为的方式或手段。做一做:he made his boss pleased_.他改进了工作老板很高兴 key:by improving his work3however, i lost sight of wang ping when we 王平不见了。lose sight of 看不见, 忘记, 失去 其反义词组catch sight of sth/sb 看见某人/物另外, at first sight 一见就；乍看起来 ； at (the) sight of 一看见就; out of sight 看不见 ： out of sight, out of mind. 眼不见,心不念。be in sight 看得见，在眼前 ；做一做:1）we_ several precious animals. 我们失去了很多的珍惜动物key:have lost sight of2）乍看起来，这个问题好像容易。_key:at first sight, the problem seems easy.3）小岛仍然可以看的见。_.key:the small island is still in sight4）一看见老师男孩就跑掉。 _.at the sight of the teacher, the boy ran away.4he was swept up into the centre of them .他被卷入到这群车队当中去了，sweep up打扫，横扫；涌向；快速地抱起she was left to sweep up after the party.聚会结束后她被留下来打扫。做一做:1) he _into his arms.他一把将孩子抱进怀里。key:swept up the baby2)in pushing to the train, the children _the crowds of people.a. sweeping up intob. swept up intoc. were swept up d. were swept up intokey:d5. just at that moment i had a “time lag” flashback and saw the area again as it had been in the year ad 2008.就在那一时刻，我得了时间滞后症，在我脑海里，这个地方又闪回到公元2008年。1) time lag指乘坐时间太空舱穿梭未来时由于速度极快而产生的“时间滞后症”，与jet lag喷气式飞行时差综合症，即乘飞机跨越时区时人体的生物钟或昼夜生理节律仍然停留在原时区的状态类似。2) as it had been in the year ad 2005 是方式状语从句,修饰主句i saw the area again ;as it had been 是由as it be变来的， as it be表示 “按照原状, 照旧, 像”the situation is as it was before.形势还是原来那样.6. then wang ping flashed a switch on a computer screen, and a table and chairs rose from under the floor as if by magic. 王平闪了一下电脑屏幕上的开关，于是一张桌子和几把椅子就像魔术般地从地面升了起来。1）本句有两个句子并列，前两者之间用逗号隔开最后两者之间用and连接；2) 后面的一个分句使用了倒装句，主要是为避免头重脚轻，使句子平衡，同时也可使前后联系得更加紧密，正常语序是a switch on a computer screen flashed；3) 此处as if 引导的是一个省略的方式状语从句，其完整句子是as if a table and chairs rose from under the floor by magic4）switch 用作名词表示“开关；转换”。用作动词表示“转换，改变”。she made the switch from full-time to part-time work when her first child was born.第一个孩子出生后，她就由全日工作改为非全日工作.press these two keys to switch between documents on screen.按这两个键就可以在屏幕上的文件之间进行切换。i cant work next week, will you switch with me?下个周末我不能上班，咱俩换个班好不好？14. exhausted, i slid into bed and fell fast asleep. 由于太累了，我倒在床上马上就睡着了.exhausted表原因，相当于一个原因状语从句as i was exhausted；fell fast asleep 酣睡。fast或sound常与fall asleep 搭配表示睡的程度深.做一做:1) _, the children _ _at once.由于太累了，孩子们马上就睡着了。key:exhausted , fell asleep2) 太激动了，这位老人一句话也说不出来。_.key:too excited, the old man couldnt say a word7. speed (sth.) up 加速；加快cars speed up once they reach the highway.汽车一到高速公路就加速。they have speeded up production.他们加快了生产速度6.板书设计1）back on ones feet 经受打击后重新站起来，再次恢复了健康2）lose sight of 看不见, 忘记, 失去 其反义词组catch sight of sth/sb 看见某人/物 at first sight 一见就；乍看起来 ； at (the) sight of 一看见就; out of sight 看不见 ： out of sight, out of mind. 眼不见,心不念。 be in sight 看得见，在眼前