必修三unit2 教案.docx

1、必修三unit2 教案必修三 unit 2 Healthy eating适用学科英语适用年级高一适用区域全国课时时长（分钟）2课时知识点1、 本单元重点词汇。2、 常用结构 Neither 既不也不等。3、 情态动词+ have do ne 。教学目标1、 让学生掌握本单元所出现的词汇的用法。2、 通过本单兀的学习，要求学生熟练掌握情态动词 + have do ne的语用功 能。教学重点通过上下文来教词汇、语法，并引导学生分析长句、难句和复杂句。教学难点总结语言材料中有关情态动词+ have done用法和功能并加以应用。教学过程、 课堂导入学习下列谚语：You are what you ea

2、t. 人如其食。First wealth is health.Emerson 健康是人生的第一财富。An apple a day keeps the doctor away. 一天一个苹果，医生不来找。、复习预习教师引导学生复习上节课所学知识点， （以提问、回顾的形式进行），针对上节课的作业进行讲评、订正、答疑，并通过对情态动词具体用法的分析和扩展导入本节课所要学习的课本知识的学习。、知识讲解考点/易错点1重点单词与短语学习balanee n.天平，平衡；余额，余数 v.平衡；权衡 balaneed adj. 均衡的(回归课本P10)What will happen to you if you

3、 don t eat a balanced diet?Eg: 1). Try to achieve a better bala nee betwee n work and play. 争取把工作和娱乐更好地结合起来。2). I must cheek my bank bala nee (= find out how much money I have in my aeeo un t).我要核对一下我在银行的余额(看我的帐户上有多少钱) 。3). Try to bala nee your diet by eat ing more fruit and less prote in.多吃些水果，少摄入些

4、蛋白质，使饮食均衡合理。归纳拓展a bala need diet 均衡的饮食keep the bala nee of n ature 保持生态平衡keep one s balanee 保持平衡lose one s balanee (= be out of balanee) 失去平衡think of 想，考虑(回归课本P10)He thought of his mutt on, beef and bae on cooked in the hottest, fin est oil.(1)想起；记起Sorry, I did nt think of your n ame just now.(2)考虑W

5、e should thi nk of the matter carefully.(3 )为着想Chen is always thinking of the poor people in the poor areas.(4)想；打算I am thinking of givi ng up smok ing.归纳拓展高度评价仔细考虑thi nk about 想；考虑 thi nk much of 对评价很高 thi nk highly / well ofthi nk out 想出 thi nk badly / little of 认为不好 thi nk overtired of 厌倦（回归课本P10

6、）Tired of all that fat? 厌倦肥腻了吧？be tired of 对 厌倦eg. I m tired of your conversation. 你的讲话我听腻了 .I grow tired of asking this, so it ll be the last time.我已厌烦了问这个问题，所以这是最后一次.归纳拓展be/get tired from/with 因 感到疲劳、劳累tire sb. out使某人疲不堪，筋疲力尽lose weight 体重减轻；减肥（回归课本P10）Want to lose weight?Eg: She is tryi ng to los

7、e weight. 她在努力减肥。归纳拓展weight短语及lose短语：put on weight （指人）增加体重，长胖be/take a weight/ load off sb s mi nd 使自己 / 某人如释重负lost heart 泄气；灰心lose one s heart (to sb/sth): fall in love 爱上； 锺情於lose one s life 丧生；遇害lose one s balanee 失去平衡lose one s breath 气喘嘘嘘；上气不接下气lose one s head 昏了头，张皇失措，冲动lose one s temper 发脾气l

8、ose one s job 失业lose one s way: become lost 迷路lose touch (with sb/ sth)失去和某人/事物的联系lose in terest in sth/ sb对某事物/人失去兴趣lose sight of sb/ sth看不见某人/物；忽略或未考虑某事物lose face 丢脸（回归课本P10）(+as to/about)+to-v+wh-Curious adj.1） 好奇的，渴望知道的；爱探究的The boy was curious about everyth ing he saw.那男孩对所见的一切都感到好奇2）奇怪的；稀奇古怪的，难

9、以理解的昨晚我听见一个奇怪的响声。I heard a curious no ise last ni ght.get away with 被放过；（做坏事）不受惩罚tell lies（回归课本P10）He could not have Yong Hui骗人们而不受惩罚。1. get away witheg. If you cheat in the exam, you考试作弊必予追究。getti ng away with telli ngll n ever get away with it.people lies .他可不能让咏慧哄t get away with such aNow that yo

10、u have made mistakes, you should n puni shme nt.既然你犯了错误，就逃脱不了这样的惩罚。归纳拓展get along with进展，相处get in进来，收获，插话get up 起床get on 上车get off下车，脱掉get away from逃离get rid of 摆脱，去掉get over 克服（困难），从（疾病、失望等）中恢复过来get through做完，通过，接通电话2、tell lies撒谎，说谎.还可以说tell a lieeg. I hate telli ng lies. 我讨厌撒谎。earn on es livi ng 谋生

11、his（回归课本P14）Perhaps he would be able to earn his living after all and not have to close restaura nt.1） earn means to get （money） by working 赚，挣（钱）；2） to get sth because of one s qualities or a博得ns 赢得eg: I earn 2019 yua n a month by selli ng n ewspapers.She earned her place in the team by training ha

12、rd.归纳拓展earn one s / a living =make one s /a living by （靠）谋生eg: She used to earn her livi ng by selli ng drin ks. 她曾经靠卖饮料来谋生。（be） in debt 负债（回归课本P14）longerHe did not look forward to being in debt because his restaura nt was nopopular.debt: 【C】sum of money owed to sb. that has not yet been paid 债务;欠款归

13、纳拓展debt短语和 “in + n. ”表示在 （情况、状况、状态）中”：in debt to sb = in sbs debt 欠 sb 的债 / 人情get/r un into debt 欠债；负责out of debt 不欠债run up huge debts 高筑债台pay off one s debts 还清债务in dan ger 在危险中in trouble 陷入困境，倒霉in order 井井有条in surprise 吃惊in public 当众，公开in ruins 呈废墟状态in sight 看见in sile nee 沉默着eg. Knowing they are d

14、eep in debt, they cried out their heart.You saved my life, and I m forever in debt to you.得知他们负债累累，他们哭得伤心欲绝。glare vi.怒目而视；n.眩光，闪光，强烈的阳光（回归课本P14）She didn t look happy but glared at him as she moved round the customers. 她绕过顾客走进来，双眼直瞪着他，看上去很不高兴。归纳拓展不同的 “看”glare at 表示“怒目而视”gla nee at 表示“粗略地看一下”look at “

15、看一看”为一般用语stare at 盯着看，（指由于惊奇，害怕，生气或沉思而睁大眼睛全神贯注）eg. They stopped arguing and glared at each other. 他们停止了争论，互相怒目而视 .spy v.监视（回归课本P14）you only came to spy on me and my menu. 你知识过来打探我和我的菜谱的。spy on/up on : to watch secretly 暗中监视，侦查eg: Have you bee n spy ing on me ?He said that some one might be spy ing o

16、n the statio n.归纳拓展spy sth out = （ find out ） 查明，了解清楚 sthspy out the land （ 事先）摸清情况，窥探虚实limit n.限度，限制，限定 v.限制，限定（limit常与介词to连用）（回归课本P14）but I found your menu so limited that 归纳拓展 limitto把限制在内limited a.有限的within limits 适度地，有一定限制地without limit 无限的over /bey ond the limit 超过限度set a limit to sth. 对加以限制eg

17、. Life is limited, but there is no limit to servi ng the people.There is no limit to the amount of pain we can bear.The nu mber of competitors is limited.He is a man of limited ability.As they had limited experienee, they often had limited ideas.I m willing to help within limits. 我愿意适当帮帮忙。We set a l

18、imit to the expe nse of the trip. 我们对这次旅行的费用加以限制了。benefit n.益处，好处 v.使 受益，对 有利（回归课本P14） I stopped worrying and started advertis ing the ben efits of my food.归纳拓展ben eficial adj.be of ben efit to 对 有益处 =be ben eficial tofor one s benefit 为了某人的利益ben efit from 从 中受益这本字典将对我有很大的好处。eg: The diet ionary will

19、 be of great ben efit to me.Readi ng more books will benefit you. 多读书对你们很有好处。You will ben efit from read ing more books.Fresh air is ben eficial to our health. 新鲜空气有利于身体健康a sec ond 又一，再一（回归课本P2）Wang Pengwei was just enjoying a second plate of dumplings 归纳拓展序数词与the连用表示第几，与 a /an连用表示又一，再一” =an other1）

20、 You are the seco nd to tell me the news. 你是第二个告诉我这个消息的人。2） ut he said he would go on trying un til he succeeded.他又失败了一次，但他说他会继续努力直到成功。before long 不久，一会儿（回归课本P7）before long Wang Peng became slimmer and Yong Hui put on more weight.before long : soon不久以后，很快，多于将来时态或过去时态连用Ishall visit you aga in before

21、long.It became clear that the program was a failure before long.归纳拓展long before: 很久以前，多余完成时态连用He had take n a doctors degree long before. 他很久以前就获得了博士学位。注：long before 有时表示 早在之前他早在战争之前就来到美国。He had come to America long before the war.考点/易错点2 重点句子分析【教材原句】 Wang Peng sat in his empty restaura nt feeli ng

22、very frustrated. 王鹏坐在他那空荡荡的餐馆里，感到十分沮丧。【句法分析】feeling very frustrated 是分词短语作伴随状语。eg. He sat at the table readi ng China Daily .【教材原句】 But don t you think it would be better if you were a bit thinner?不过，难道你不认为瘦一点更好吗 ？【句法分析】think后的宾语从句是虚拟语气,表示与现在事实相反的假设。1)与现在事实相反，条件从句中的谓语动词用一般过去式 (be的过去式用 were),而主句中的谓语动

23、词用would (should, could, might) + 动词原形”。If we had time, we would go with you . If I were you, I would study hard.2)与过去事实相反，条件从句中的谓语动词用过去完成时 ，主句中的谓语动词用“ would(should, could, might) + have +过去分词 ”.If you had come earlier, you would have met him .3)与将来是事实相反，条件从句和主句所用的谓语动词与表示与现在事实相反的假设的谓语动词相同，或条件从句中用“ we

24、re to (should) + 动词原形”.If you dropped the glass, it would break . If it should rain, the crops would besaved .9. Perhaps we ought to combine our ideas and provide a balanced menu with foodfull of energy and bine 1)vt. 使结合或混合；使联合The new teaching method combines education with pleasure. 这种新的教学方法寓教 育于娱

25、乐之中。combine A and B 或 combine A with B 把 A 和 B 结合成一体2) vi. 结合The two small shops combined to make a large one.But don t you think it would be better if you were a bit thinner? 不过 , 难道你不认为瘦一点更好吗 ?【教材原句】 Neither your restaurant nor mine offers a balanced diet.【句法分析】Neither nor既不也不1 )引导并列主语时，谓语的数于最靠近谓语

26、的主语保持一致 ,遵循就近原则。Eg. Neither the students nor the teacher has suffered from the fire with the timely help of the firefighters.2)引导两个分句时，这两个分句中的主谓均要倒装。Eg. Neither do I know her address, nor does he.Neither could the patient eat, nor could he drink.【教材原句】 “Nothing could be better, ”he thought. 他想：“再没有比

27、这些更好吃的了。 ”【句法分析】这个句子是否定词+比较级表示最高级的含义。要掌握该结构的用法，须注意以下几点：1.该结构多为cant / could nt +比较级”的形式。Eg : I cant agree with you more .我再同意你不过了。（或：我完全同意你的意见。）The weather could nt be worse .天气再糟糕不过了。He could nt have do ne better .他做得再好不过了。2.用于该结构中的否定词除了 not之外，还有no , never , nothing 等。Eg : This could give her no gre

28、ater pleasure .这使她再高兴不过了。Shes never better .她现在最好不过了。 （或：她比以往任何时候都好。）Theres nothi ng cheaper .这东西再便宜不过了。3.当该结构中的比较级为 less时，该结构意为“一点也不”。试比较：1） He could nt care more .他非常介意。（或：他最关心不过了。）He could nt care less .他毫不介意。（或：他最漠不关心了。）2） He had never felt more like talking to anyone .他从未如此想和人谈话。He had n ever f

29、elt less like talk ing to anyone他从未如此不想和人谈话。类似的还有too, enough 。You can n ever be too careful whe n you cross the street.过马路越小心越好/过马路再怎么小心也不足为过 。【教材原句】 I found your menu so limited that I stopped worrying and startedadvertis ing the ben efits of my food.【句法分析】sothat引导结果状语从句eg. He ran so slowly that no

30、 one fell beh ind him.The girl talked so much in class that the teacher got angry.归纳拓展搭配：so +形容词/副词+ that 从句jso + 形容词+ a/an + 可数名词单数 + that 从句so + many/ much /few / little（ 少）+ 名词 + that 从句such + a/an + 形容词 +可数名词单数 + that 从句W；uch + 形容词+不可数名词/可数名词复数+ that 从句考点/易错点3语法点学习 情态动词 + have done推测，意为“过去一定做过某事昨天晚上- -定是下雨了， 因为路还湿你肯定看过电影淘金热。It must have rained last ni ght, for the road is wet.着。You must have see n the film the Gold Rush.2.情态动词 can / could 可用于否定句中，即c