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1、Unit 2 Healthy LifestyleLearning About Language & Discover Useful StructuresLearning About LanguageI .核心词汇及拓展1. 加胡须；络腮胡子2. .香烟；卷烟3. n.毒品；药物4. 小外科医生一 n.外科手术；外科学5. .解放；摆脱一 必解放6. n.专科医生；专家一 泣.专攻；专门研究7. 以&反组成；作曲；撰写一 小（尤指古典音乐的）创作者；作曲者；作曲家一 由组成（构成）的8. v.&n.弟U（须发）；刮脸一 剃掉；刮去II.核心词汇讲解1. compose vt.组成，构成（一个整体
2、）；M &近.创作（音乐）；作曲；撰写be composed of = consist of/be made up of（整体）由组成/构成composer n. KCH作曲家；仓4作者composition n. KUH成分，构成；作曲，创作，作OWater is composed ofYis made up oconsists of hydrogen and oxygen.水由氢和氧组成。She began to compose songs at an early age.她在幼年就开始创作歌曲了。She spent her spare time composing poems.她利用空闲
3、时间作诗。K即学即练 用compose的适当形式填空/完成句子He is a famous of pop music and more than 200 pieces of musicalready.This is my favourite melody and it is one of Beethovens greatest.我们班目前由12名男生和8名女生组成。Our class twelve boys and eight girls now.K名师点津U compose作“组成、构成”讲时，不用于进行时。2. cut out停止做（或使用、食用）；删除，删去；（通常用剪刀）剪下；裁剪OS
4、ince my heart attack, I ve cut fatty food out altogether.自从我心脏病发作，我就不吃高脂食物了。 Youd better cut out the last two paragraphs of your article. They have no connection with your theme.你最好把你文章中的最后两段删去。它们和你的主题不相关。He cut a picture out of the newspaper he had just read.他从刚才读过的报纸上剪下了一张图。Two suits can be cut ou
5、t of this piece of material.这块布料可以裁两套衣服。K即学即练U判断以下句子中cut out的含义一Any suggestions for my daddy, doctor?一The current advice is to cut out alcohol and work out.Traditionally, Chinese people cut out the Chinese characters “Double Happiness and stick them onto walls or doors for weddings.3. ） Since time i
6、s limited, dont hesitate to cut out the useless information in your passage.Discover Useful StructuresGrammar动词不定式作主语诵读以下例句并感知画线局部的共性。1. It takes three generations to make a gcnUcman，2. What a relief it is for us to succeed in our experiment at last!3. It was careless of you to leave4. To.do this is
7、 to cut the foot to fit the shoe.5. . To read without reflecting is like eating without digesting.K共性呈现U1 .所有画线局部都是不定式作主语。2 .句1、2、3中画线局部为句子的真正主语，句中的it为形式主语。3 .句4、5中画线局部直接用不定式作句子的主语。K语法精释动词不定式作主语动词不定式(短语)作主语，谓语动词常用第三人称单数形式。To see is to believe.眼见为实。To climb up the mountain road is easy while to go do
8、wn the hills is hard.上山容易下山难。It is not easy to find your way to the town.要找到去这个小镇的路很不容易。动词不定式作主语时，其位置有以下两种：1 .把不定式置于句首。To get there by bike will take us half an hour.我们骑自行车到那儿需要半个小时。2.用it作形式主语，把作真正主语的不定式(短语)后置，常用于以下句式中：(l)It+ be+名词+to do sth.Its our duty to take good care of the old.照顾好老人是我们的责任。(2)I
9、t takes sb.+ some time+ to do sth.How long did it take you to flnish the work?你花了多长时间来完成这项工作？(3)It+ be+形容词+for sb. +to do sth.It is difficult for us to finish writing the composition in a quarter of an hour.在十五分钟内完成这个作文对我们来说太难了。(4)It+ be +形容词+ ofsb. +to do sth.It is stupid of you to write down every
10、thing the teacher says.你将老师所说的话全部记下来是很笨的一种方法。特别注意：也-ing作主语多表示一般性的、抽象的、重复性的动作或状态。Reading poems gives me much pleasure.读诗给我带来很多乐趣。K即学即练I单句语法填空/单句写作It took years of work(reduce) the industrial pollution and clean the water.(walk) is a good form of exercise for both the young and the old.is difficult fo
11、r him to admit his mistakes.It was selfish him not to share his dictionary with others.(finish) the task will take a long time.解决住房问题是很重要的。干这活儿花了我三个小时。课时达标I .单词拼写（用本局部所学单词）1. The engineer is so busy that he doesnt have time to s his beard off.2. Keep quiet in the reading room in order not to d other
12、s.3. It is said that more than ten（夕卜科医生）are needed in the new hospital.4. He used to smoke a pack of（香烟）a day, but he has given up smoking till now.5. The（专家）and scholars present at the conference come from all corners of the country.6. Bored and tired, I（不参力口） the meeting and went to the park inst
13、ead.II.单句语法填空1. Beethoven is the most famous classical（compose） of the Western world.2. This collection is（compose） of three parts: poems, essays and short stories.3. . We teenagers are going through a rapid growth period, which needs to be supported by a healthy and（balance） diet.4. You cant depend
14、 on a man like him without a sense responsibility.5. . It looks like the weather is changing for the worse. Shall we stick our plan?6. If he had taken the doctors advice and cut sugary drinks and fast food, he wouldbe much better now.7. John is still too young（realize） that there is a connection bet
15、ween education and his future.一参*考*答*案,.一Learning About LanguageI . 1. beard 2.cigarette 3.drug 4.surgeon surgery 5.liberation liberate 6.specialist specialise 7 pose composer be composed of 8.shave shave offII. 1. （Dcomposer has composed compositions is composed of 或 is made up of 或 consists of2.停止
16、做（或使用、食用）剪下删去Discover Useful Structuresto reduce Walking It of To finish It is of great importance to solve the housing problem. It took me three hours to do this job.课时达标I . 1. shave 2.disturb 3.surgeons 4.cigarettes 5.specialists 6. skippedII .1. composer 2 posed 3.balanced 4.of 5.to 6.out 7.to realize