高考英语一轮复习Unit2Healthyeating课件新人教版必修3.ppt

1、Book 2 Unit 2 Healthy eating语言点用法过关语言点用法过关1.balance vt.平衡;权衡 n.天平;平衡;结余;余额教材原句教材原句What will happen to you if you don t eat a balanced diet?你如果没有均衡的饮食将会怎么样?语境应用语境应用单句填空单句填空Rich countries gain more from it,on balance,than they lose.You have to balance the advantages of living in the countryside agains

2、t the disadvantages.You d better keep a balanced (balance)diet for the benefit of your health.单句改错单句改错I found it hard to keep balance on the icy path.keep后加后加my 用法点拨用法点拨(1)keep ones balance保持平衡lose one s balance失去平衡recover/regain one s balance恢复平衡on balance总的来说balance sth.against sth.权衡两事物的重要性;比较两个相

3、对的事物(2)balanced adj.保持(或显示)平衡的a balanced diet均衡饮食2.limited adj.有限的教材原句教材原句I dont want to upset you,but I found your menu so limited that I stopped worrying and started advertising the benefits of my food.我并不想让你心烦,不过我发现你的菜谱上的菜太有限了,所以我也就不担心了,我也开始宣传我的食物的好处了。语境应用语境应用单句填空单句填空He limited each person to one

4、 book at a time.My wife and I set a limit on how much we spend on clothes.Speeches were limited (limit)to ten minutes each in the last election.There is a limit to ones life,but no limit to serving (serve)the people.写作微练写作微练 He was born in a poor family,and only received limited education in hischil

5、dhood .他出生在一个贫困家庭中,童年时期仅仅接受了有限的教育。用法点拨用法点拨(1)be limited to局限于(2)limit vt.限制;限定limit.to.把限制在内(3)limit n.限度;极限within limits在合理限度内set a limit on对设定限度there is a/no limit to是有限的/无限的3.benefit n.好处;利益;优势 vt.&vi.有益于;有助于;受益教材原句教材原句I dont want to upset you,but I found your menu so limited that I stopped worry

6、ing and started advertising the benefits of my food.我并不想让你心烦,不过我发现你的菜谱上的菜太有限了,所以我也就不担心了,我也开始宣传我的食物的好处了。语境应用语境应用写作微练写作微练用benefit的不同形式完成下面的句子图书馆应该购买一些科普类图书和文学类图书,因为它们对我们很有益。The library should buy some popular science books and literary books becausetheywe benefit a lot from them .(动词).().().()名词 形容词 动

7、词are of great benefit to usare very beneficial to usbenefit us a lot用法点拨用法点拨(1)benefit from/by.从中受益;得益于benefit sb.对某人有益be of(great)benefit to sb.对某人(非常)有益处for the benefit of.为了的利益(2)beneficial adj.有益的be beneficial to sb.对某人有益4.strength n.C长处;强项 U力量;体力教材原句教材原句The strength of the diet in Wang Pengs re

8、staurant was that it provided plenty of energy-giving food.王鹏餐馆里的饭菜的优点是提供含有足够热量的食物。语境应用语境应用单句填空单句填空To make members of a team perform better,the trainer first of all has to know their strengths (strength)and weaknesses.The best way to strengthen (strengthen)willpower is to make it a habit.写作微练写作微练Thi

9、s activity has strengthened our understanding of the British culture,education and customs.这项活动已经加强了我们对英国文化、教育和风俗的理解。(2016天津书面表达)用法点拨用法点拨(1)build up ones strength增强体力strengths and weaknesses 优点和缺点The strength of.is that.的优点是(2)strengthen vt.&vi.加强5.lie n.谎话;谎言 vi.说谎;躺;位于教材原句教材原句He could not have Yon

10、g Hui getting away with telling people lies!他可不能让雍慧哄骗人们却不受惩罚!语境应用语境应用语法填空语法填空The naughty boy lying (lie)in bed lied to his mother that the cock had laid (lay)an egg in the basket laid (lay)by her.His mother was very angry,saying“One of the most important qualities lies in hon-esty.”写作微练写作微练 He told

11、a lie that his success lay in his hard work .他撒谎说他的成功在于他的努力工作。用法点拨用法点拨tell(sb.)a lie/lies(对某人)撒谎a big/white lie弥天大谎/善意的谎言lie to sb.对某人撒谎lie in在于lie on your back/side/front仰/侧/俯卧词义辨析词义辨析单词词义过去式过去分词现在分词lie撒谎liedliedlying躺,位于laylainlyinglay安放,下蛋laidlaidlaying1.get away with 受到从轻发落;(做坏事)不受惩罚教材原句教材原句He c

12、ould not have Yong Hui getting away with telling people lies!他可不能让雍慧哄骗人们却不受惩罚!语境应用语境应用单句填空单句填空The child ought to be punished.You shouldnt let him get away with telling (tell)lies!It took a long time to get across the way the machine worked to the workers.Studying a foreign language is always hard at

13、 the beginning,but Ill get over it.完成句子完成句子You should/are supposed to get rid of the bad habit of smoking in order to keep healthy.为了保持健康,你应该摆脱吸烟的坏习惯。get in touch with与取得联系 用法点拨用法点拨get over 克服;从中恢复过来get across(to sb.)(向某人)解释清楚get away(from)(从)脱身get along with与相处融洽get rid of 摆脱;除掉get down to(doing)st

14、h.开始认真地做某事get sb.down 使(某人)沮丧或情绪低落get in touch with与取得联系 2.cut down削减;减少;砍倒;缩短;杀死或伤害(某人)教材原句教材原句In this way they cut down the fat and increased the fibre in the meal.这样,他们减少了饭菜中脂肪的含量,增加了纤维素。语境应用语境应用写出下列各句中写出下列各句中cut down的含义的含义My uncle hasnt been able to quit smoking,but at least he has cut down.减少减少

15、;削减削减 This article is too long,and you have to cut it down to 1,000 words.缩短缩短 Immediate action should be taken,like stopping cutting down trees,to better the environment.砍倒砍倒 Hunger,cold and illness cut down many of the villagers.杀死杀死;夺去夺去的的生命生命 完成句子完成句子Its bad manners to cut in when others are tal

16、king.别人谈话的时候插话是不礼貌的。用法点拨用法点拨cut back on减少,缩减cut in插话cut up切碎cut out删除cut across穿过(尤指抄近路)cut off切断;停止;隔绝 cut sth.away切除,剪去1.否定词+比较级教材原句“Nothing could be better,”he thought.他想:“再也没有比这些更好吃的了。”语境应用语境应用单句填空单句填空Nothing is more precious (precious)than health.So many people gave a willing hand when I was in

17、 trouble;it was not until then that I realized nobody was happier (happy)than I was.Our women athletes achieved great success in the Olympic Games;no one could perform so well as them,I think.单句改错单句改错You can be too careful with the gas.can改为改为cannot或或can t 一句多译一句多译这本书对我影响最大。The book has a greater ef

18、fect on me than any other book .The book has a greater effect on me than all the other books .用法点拨用法点拨否定词与比较级连用,实际上表示的是最高级的含义。联想联想表示最高级意义的几种结构:(1)never+比较级(2)(3)比较级+than+(4)cant/cannot.too.;can never.too.nothingnosoas.nothing nothan.或等原级或等 比较级any other(all)the otheranyone elseany ofthe other单数名词复数名词

19、复数名词2.have sb.doing sth.教材原句教材原句 He could not have Yong Hui getting away with telling people lies!他可不能让雍慧哄骗人们却不受惩罚!语境应用语境应用单句填空单句填空I cant have you speaking (speak)to your mother in such a rude manneryou must apologize to her immediately.I have a lot of work to do (do)today,so I have no time to spare

20、.“Tom,do you have anything to be washed (wash)?”asked the mother.It is not polite to have your guest waiting (wait)all the time.单句改错单句改错Every year,Tom remembers to have some flowers send to his mother on her birthday.sendsent 用法点拨用法点拨have sb.doing sth.(1)用于否定句中意为“不允许某人做某事”;(2)用于肯定句中意为“让某人做某事”。联想have

21、 sb.do/doing sth.让某人做某事/处于某种状态have sth.done让别人做某事have sth.to do有事情要做have sth.to be done有事情要做(主语不做)编后语 折叠课件作用 向学习者提示的各种教学信息;用于对学习过程进行诊断、评价、处方和学习引导的各种信息和信息处理;为了提高学习积极性，制造学习动机，用于强化学习刺激的学习评价信息;用于更新学习数据、实现学习过程控制的教学策略和学习过程的控制方法。对于课件理论、技术上都刚起步的老师来说，POWERPOINT是个最佳的选择。因为操作上非常简单，大部分人半天就可以基本掌握。所以，就可以花心思在如何在课件中贯彻案例的设计意图上、如何增强课件的实效性上，既是技术上的进步，也是理论上的深化，通过几个相关案例的制作，课件的概念就会入心入脑了。折叠多媒体课件 多媒体教学课件是指根据教师的教案，把需要讲述的教学内容通过计算机多媒体(视频、音频、动画)图片、文字来表述并构成的课堂要件。它可以生动、形象地描述各种教学问题，增加课堂教学气氛，提高学生的学习兴趣，拓宽学生的知识视野，10年来被广泛应用于中小学教学中的手段，是现代教学发展的必然趋势。2022-10-25232022-10-2524谢谢欣赏！