1、教学知识细解码UNIT 4 Looking good,feeling good根据词性和汉语提示，写出下列单词1.vt.&vi.集中(注意力，思想等)；全神贯注concentrated adj.全力以赴的concentration n专心；专注2concern n担心；关心 vt.使担忧；涉及；关系到adj.担心的，忧虑的；关注的，关切的concentrateconcerned3energy n精力，活力adj.精力充沛的，充满活力的4effect n效果，作用；影响adj.有效的；生效的5frighten v使惊恐，吓唬adj.害怕的，惊吓的，受惊的frightening adj.令人恐惧的
2、；令人害怕的energeticeffectivefrightened1skip vt.不做(应做的事情等)；跳过 vi.略过；跳绳；蹦蹦跳跳地走；快速转移The girls were skipping in the playground._She decided to skip the afternoons class._跳绳；蹦蹦跳跳地走不做(应做的事情等)You can skip the next chapter if you have covered the topic in class._She kept skipping from one topic of conversation
3、to another._跳过，略过快速转移2concerned adj.担心的，忧虑的；关注的，关切的；感兴趣的Everyone is concerned about the future of his country._She was concerned that she might miss the turning and get lost._They were concerned with how the other women had dressed._关注担心感兴趣的Words and Phrases知识要点1 concentrate vi.&vt.集中(注意力、思想等)；聚集；全神
4、贯注(教材 P45)She told me she had trouble concentrating in class.她告诉我她上课注意力不集中。例 I cant concentrate with all that noise going on.吵闹声不绝于耳，我无法集中精神。归纳拓展(1)concentrate on/upon(doing)sth.专心(做)某事concentrate ones mind/attention/energy/efforts on 集中注意力于；全力以赴于(2)concentration n.集中精力；专心即学即练 单句语法填空/完成句子You must co
5、ncentrate your attention on(improve)your English.You should concentrate your mind finishing the homework.improvingon/uponSome people take exercise lessons to improve their(concentrate)The boy found it hard 这个男孩发现集中注意力学习很困难。concentrationto concentrate his attention on his study知识要点2 concerned adj.担心的
6、，忧虑的；关注的，关切的(教材 P45)Health experts are concerned about these figures.健康专家对这些数字表示担忧。例 People are concerned about social inequality.人们很关注社会不平等问题。归纳拓展(1)be concerned about/for对感到担心be concerned with 与有关(2)concern n.关心，关注；关系；vt.与有关；使担忧concern oneself about/with 关心，担心(3)concerning prep.关于，有关即学即练 单句语法填空/完成
7、句子Her latest documentary is (concern)with youth unemployment.They show great anxiety(concern)their retirement allowance.concernedconcerning(concern)about the student，the teacher gave his mother a call.，the young mans design isnt attractive at all.在我看来，这个年轻人的设计一点也不吸引人。ConcernedAs far as I am concerne
8、d知识要点3 effect n影响；效果，作用(教材 P45)They are increasing their efforts to educate teenagers about the side effects of losing weight too quickly.他们正加大力度教育青少年了解过快减肥的副作用。例 The suggestions will soon be put into effect.这些建议即将付诸实施。归纳拓展(1)have an effect onhave an influence onhave an impact on 对有影响put/bring.into
9、effect使某物开始使用in effect 事实上；实际上take effect 生效；奏效come into effect 开始实施；开始生效side effect 副作用(2)effective adj.有效的(3)affect v.影响；感动即学即练 单句语法填空/完成句子The government should take some(effect)measures to reduce pollution.The two systems are，effect，the same.They have a more powerful effect the feeling of a space
10、.The new law from tomorrow.新法令明日起生效effectiveinontakes effect/comes into effect归纳拓展prove a point 证明一个观点It is proved that.据证实prove.to.向证明即学即练 单句语法填空/完成句子The book about education of the youth has proved(be)very successful.I woke up sweating and nervous，but ready to prove something myself.I have to prov
11、e myselfa respectable，balanced person.the new medicine has side effect.已经证明这种新药有副作用。to betoasIt is proved that知识要点5(教材 P45)She pointed out that it is important to have a healthy balanced diet since teenagers are still growing and their bodies need a lot of nutrition to function well.她指出，健康均衡的饮食很重要。青
12、少年还在发育，他们的身体需要大量的营养才能正常工作。(1)diet n节食；日常饮食 vi.节食，进行规定饮食例 All you need is enough sleep and a balanced diet.你所需要的是充足的睡眠和均衡的饮食。归纳拓展a balanced diet 均衡的饮食be on a diet/go on a diet控制饮食put sb.on a diet 使某人节食易混辨析 diet，fooddiet指的是日常饮食或特定饮食，尤其指维持健康的定质定量的营养饮食。常用作可数名词，和 a 连用 food是食物的总称。凡是可以充饥的有营养的东西都可以称作 food，常
13、作不可数名词；但表示食物的种类时为可数名词即学即练 单句语法填空/完成句子The girl is a diet，hoping to become slimmer.I really ought to go on diet.Ive put on so much weight since I gave up jogging.Youre overweight，and Im going to put you a diet.The doctor advised him to 医生建议他通过控制饮食减肥。onaongo on a diet to lose weight(2)function n作用，功能，职
14、能 vi.起作用，正常工作，运转例 The sofa can also function as a bed.这沙发也可以当床用。归纳拓展function as/serve as/act as 担任；起作用；用作perform a function 发挥功能special function 特殊功能即学即练 单句语法填空/完成句子The judge said the punishment would function a warning to others.He is searching for a way to get this machine(perform)a function.A war
15、 injury has made his left hand stop(function)All the machines in the company well.公司里的所有机器运行良好。perform their functionsasto performfunctioning知识要点6 take in 包括；摄入，吸收；欺骗；领会，理解；收留(教材 P45)If they do not take in enough food，they may feel weakand get ill easily.如果没有摄入足够的食物，他们可能会感到虚弱，且很容易生病。例 He was homeles
16、s，so we took him in.他无家可归，所以我们收留了他。归纳拓展take away 拿开；拿走；解除，消除(痛苦等)take down 拆掉；写下；记录take off 起飞；迅速流行；脱下(衣服)；突然开始成功；拿走；取下；休假take on 呈现；雇用；承担take over 接管；接替take up 拿起；占据；从事；继续；接受即学即练 单句语法填空/完成句子This is the total cost of the holiday，(take)everything in.When Mr.Green retired，his son took the business fro
17、m him.His career took when he was thirty.I dont 我不明白你在说什么。take in what you are talking abouttakingoveroff小片段填空At present，most of people arent willing to take too much work because the extra cash isnt worth it，so the company has to take more workers to do it.Im really sorry about that.If the company
18、wants to take，it must be taken from the previous manager who is always mean to his workers.ononoffover知识要点7 get into shape 强身健体(教材 P45)We strongly encourage all teenagers to follow these lifestyle tips，because living well is the safest and most effective way to get into shape.我们坚决支持所有青少年遵循这些生活方式的提示，
19、因为好好生活是强身健体的最安全、最有效的方式。例 They spend their days doing simple exercises to get into shape.他们每天花时间做简单的运动来恢复他们的身体健康。归纳拓展(1)in shape 在形状上；健康状况良好in the shape of 以的形状in good/bad shape 身体健康/不健康out of shape 变形；身体不健康take shape 有了模样，成形(2)be shaped like 形状像即学即练 单句语法填空/完成句子The old man is good shape for a man of
20、his age.Some yogurt boxes were in the shape fruits.He gave me a box(shape)like a ship that day.The front wheel of the bicycle was 自行车的前轮已经变形了。inofshapedout of shape知识要点8 frightened adj.害怕的，受惊的，惊吓的(教材 P47)I was very frightened when I woke up in hospital lastThursday.上星期四我在医院醒来时很害怕。例 They frightenedth
21、e old lady into signing the paper.他们恐吓那位老太太，使她签了字据。归纳拓展(1)be frightened of.害怕be frightened at.对感到惊恐(2)frighten vt.使惊恐，吓唬frighten sb./sth.away 把吓跑frighten sb.into/out of(doing)sth.恐吓某人做/不做某事(3)frightening adj.令人恐惧的；令人害怕的即学即练 单句语法填空/完成句子The news was and they were all(frighten)The little child(frighten
22、)by the fierce dog.The man frightened the naughty boy walking out of the yard just now.home alone in the dark.我害怕在黑夜单独走路回家。I am frightened of walkingfrighteningfrightenedwas frightenedinto小片段填空Last night I read a(frighten)story，which frightened me of sleeping.I was really (frighten)at the ending of
23、the story.All in all，I(frighten)to death.I promised not to read such stories any more especially before going to bed.frighteningoutfrightenedwas frightenedSentence Patterns重点句式 1 do you think 作插入语(教材 P44)What do you think are healthy ways of losing weight？你认为健康的减肥方式是什么？句式分析：本句采用的句型是：疑问词do you think.
24、陈述语序？例 1 How do you think they will survive the freezing weather?你认为他们会怎样在极寒的天气中幸存下来？例 2 Who do you think is to blame for the accident?你认为谁该为这次事故负责？归纳拓展“疑问词do you think/believe/say/suggest/.陈述语序？”这一句型又称复杂疑问句，常用来征询别人对某一疑点的看法、判断、认识、猜测和请求，表疑问的插入语又起到主句的作用，所以其后一定要用陈述句语序。即学即练 单句语法填空/完成句子 team do you belie
25、ve will win in the next match?do you suppose has happended to him?How do you think they(find)a stable desk for the little boy?we can see him?你认为我们能在什么地方见到他？WhichWhatwill findWhere do you guess/think重点句式2 where 引导定语从句(教材 P45)In a society where being thin is often seen as being beautiful，teenagers som
26、etimes turn to extreme methods to slim down quickly.在一个往往以瘦为美的社会里，青少年有时会借助极端的方法来快速减肥。句式分析：这是一个复合句。where being thin is often seen as being beautiful是定语从句，修饰先行词 society。例 1 This is the house where I lived two years ago.这是我两年前住过的房子。例 2 Were just trying to reach a point where both sides will sit down to
27、gether and talk.我们正努力达到一个双方坐在一起谈一谈的状态。归纳拓展当先行词为 stage，case，situation，position，point 等抽象地点名词，且定语从句中缺少状语时，用 where 引导定语从句。即学即练 单句语法填空/完成句子Its helpful to put children in a situation they manage everything all by themselves.The stage he is preparing for his study is really important.Can you think of a ca
28、se the word is properly used?Students should take part in some activities 学生应该参加一些可以获得经验的活动。wherewhenwherewhere they can gainexperience1(教材 P45)In a society where being thin is often seen as being beautiful，teenagers sometimes turn to extreme methods to slim down quickly.分析 本句是一个主从复合句。where 引导一个限制性定
29、语从句，修饰先行词 a society，其中动名词短语 being thin 作定语从句的主语，being beautiful 作介词 as 的宾语。主句中不定式短语 to slimdown quickly 作目的状语。译文 在一个往往以瘦为美的社会里，青少年有时会借助极端的方法来快速减肥。2(教材 P45)It is normal for teenagers to be slightly overweight and there is no reason why they should be worried.分析 本句是一个并列复合句，and 连接两个表示顺承关系的并列分句。第一个分句中 i
30、t 是形式主语，真正的主语为后面的不定式短语 for teenagers to be slightly overweight，第二个分句中 why 引导的是一个限制性定语从句，修饰先行词 reason。译文 青少年轻微超重是正常的，他们没有理由担心。教材高考1 Health experts areconcerned about thesefigures.(2020全国卷)Scientists in Louisiana were so concerned that they decided to pay hunters$5 a tail.2They are increasing their ef
31、forts to educate teenagers about the side effects of losing weight too quickly.(2020江苏高考)But it was the effectsdeep within the fat cells that may have been the most significant，the researchers found.3It is normal for teenagers to be slightly overweight and there is no reason why they should be worri
32、ed.(2020江苏高考)On the other hand，they burned slightly more calories(卡路里)，on average，during the workout after breakfast than after fasting.4She pointed out that it is important to have a healthy balanced diet since teenagers are still growing and their bodies need a lot of nutrition to function well.(2
33、020浙江高考)And they tended to lose cognitive(认 知)function at a much slower rate than those with the least mentally challenging jobs.5Whats more，they should keep regular hours and get plenty of exercise to stay energetic and fit.(2020 江 苏 高 考)Humor can make one energetic in his work，study，and life.6We s
34、trongly encourage all teenagers to follow these lifestyle tips，because living well is the safest and most effective way to get into shape.(2020新 高 考 全 国 卷)However，the majority of people are effective speakers because they train to be.单句语法填空1I heard that the old house functioned a dining hall.2The ma
35、n bought some biscuits(shape)like toys.3You cant imagine the effect his speech will have these children.asshapedon4It(prove)that this kind of materials does harm to our health.5I decided to concentrate all my efforts finding somewhere to live.6The manager，rather the employees，is to blame for the acc
36、ident.is provedonthan7The policemen arrived and began to comfort the(frighten)people.8Hearing the bad news，most parents felt(concern)about their children.9The number of passengers by this line fell off(slight)in January.10Some students found it hard to take what their teacher had taught，so they aske
37、d him to explain it again.frightenedconcernedslightlyin.短语填空take in；get into shape；turn to；slim down；whats more；rather than；lose weight；function as；be concerned about；struggle with1I told grandpa about the detail of the case，but I didnt think he it 2Some girls who are not fat also try to 3The man ha
38、s since he took a balanced diet and regular exercise.tookinlose weightslimmed down4Athens a centre of trade in the thirteenth century.5I dont have enough money.，I dont like its style.6You should have a talk with your parents about your goals keep silent all day.7She didnt know how to comfort her fri
39、end，so she her mother for help.functioned asWhats morerather thanturned to8We still have to all kinds of difficulties.9The President deeply this issue.10Nowadays，more and more people are doing some exercise to struggle withisconcerned aboutget into shape.课文语法填空A teenage girl named Jennifer Jones fai
40、nted in her PE lesson and 1.(rush)to hospital.Jennifer was treated immediately and her parents told the doctor that their daughter had missed breakfast that day.Fortunately，Jennifers doctor said that she would make a full 2.(recover)soon.Jennifers classmates said that she had struggled with eating p
41、roblems for a long time，for she thought 3.(skip)meals was a simple way to lose weight.was rushedrecoveryskippingJennifers case is a reminder of the dangers of the unhealthy weightloss habits 4.have become common among teenagers.A recent survey shows that some teenagers lose weight 5.(use)some extrem
42、e methods，such 6.skipping meals and eating weight-loss pills.7.expert said that it was normal for teenagers to be 8.(slight)overweight and there is no reason why they should be worried.She adds，that/whichusingasAnslightly“It is important to have a healthy balanced diet since teenagers are still growing and their bodies need a lot of nutrition 9.(function)well.Whats more，they should keep regular hours and get plenty of exercise to stay 10.(energy)and fit.Living well is the safest and most effective way to get into shape.”to functionenergetic点击右图进入 课 时 分 层 作 业 谢谢观看 THANK YOU!