1、高三复习 必修三 Unit 2 Healthy eating【学习目标】：掌握重点词组和特殊句型的用法【学习重点】：提高学生对词汇的应用能力【学习难点】：总结重点词组【教学过程】：、联想记忆 1diet n日常饮食 go/be on a diet 节食 a balanced diet 平衡的饮食 2ought to 应当 ought to have done 应做而未做 ought not to have done 不应做而做了 3lose weight 减肥 put on weight 变胖 overweight adj. 超重的 4 benefit vt. & vi. 有益于；n.利益 b
2、enefit from 从受益 be of benefit 有益的 5tell a lie 说谎 tell the truth 说实话 6strength n强项，长处 weakness n弱点 7 glare at 怒目而视 stare at 盯着看 glance at 瞥一眼、构词记忆 1curiosity n好奇心 curious adj. 好奇的 2strength n强项；长处 strong adj. 强大的 3limit vt. 限制；n.界限 limited adj. 有限的 4benefit n利益 beneficial adj. 有益的、核心单词与短语1、balance n均
3、衡，平衡；天平，秤；vt.使保持平衡；权衡；使相等，相抵 keep ones balance 保持平衡；保持冷静 lose ones balance 失去平衡；慌乱(catch/throw sb.) off balance(使)失去平衡 on balance 总的说来balanced adj.平稳的；安定的；和谐的(1) I found it hard to on the icy path.我发现很难在这结冰的小路上保持平衡。(2) He and fell off his bicycle.他失去了平衡从自行车上摔了下来。2、diet n日常饮食；日常食物；节食；vt.进规定饮食；节食 a ba
4、lanced diet 均衡的饮食be/go on a diet 节食，控制饮食 diet sb.put sb.on a diet 限制某人的饮食(1) The doctor told me that Id got to . 医生告诉我必须节食。 Mother a very strict diet. 妈妈严格限制我的饮食。 is very important for our health. 均衡的饮食对我们的健康很重要。(2)Would you like some chocolate? Id like some，but Im_.Aon diet Bin a diet Con a diet Di
5、n diet【易混辨析】 diet，fooddiet指日常饮食，特定饮食，尤其是维持健康的定质定量的营养饮食。food是食物的总称，指可以充饥的有营养的东西，常用作不可数名词，但表示食物的种类时是可数名词。用diet，food填空：(1) cures more than the doctor.(2)The that you bought in supermarkets is high in sugar，fat and salt.(3)Proper and exercise are both important for health.3、curiosity n好奇心；求知欲 curious ad
6、j.好奇的；感兴趣的 curiously adv.好奇地out of curiosity 出于好奇 with/in curiosity 好奇地satisfy ones curiosity 满足某人的好奇心be curious about 对感到好奇 be curious to do. 好奇/想知道；好奇地做某事 (1)用curiosity的相关短语及其适当形式填空 The boy decided to try a cigarette . The girl looked at the stranger . The child everything he saw.(2)If you are_abo
7、ut Australian cities，just read the book written by Dr. Johnson.Ainterested Banxious Cupset Dcurious4、benefit v有益于；有助于(be useful to)；受益；n.优势(advantage)；益处；成效benefit from 从中受益 get benefit from从中受益be of (great) benefit to (be beneficial to) 大有裨益，对有益处for the benefit of sb.(for sb.s benefit) 为了的利益benefic
8、ial adj.有利的；有裨益的；受益的 be beneficial to对有益学情诊断 (1)用benefit的适当形式填空 For the of them，Ill go over the plan. Many companies have from the policy. Fresh air is to our health.(2)Do you think camping and climbing are of much_to our health?Abenefit Bbeneficial Cbenefits Dbenefiting5、get away with 被放过；(做坏事)不受惩罚
9、；携带跑掉 get away from 离开；脱身；逃离 get over 克服；解决；从中恢复get sth. across (to sb.)把讲清楚；使被理解；传达get (sb.) around/round 说服；哄骗(某人)；流传，传开(1)用适当的介、副词填空 Dont try to cheat the taxman；youll never get away it. I wont be able to get away the office before 7. Hes not very good at getting his ideas . Bill knows exactly ho
10、w to get his mother.(2)The child should be punished. You shouldnt let him _ telling lies.Akeep away from Bkeep away with Cget away from Dget away with6、in debt 欠债 be heavily/ deeply in debt 债台高筑 go/ get /run /slip into debt 陷入债务之中pay off ones debts 偿清债务 be/stay out of debt 不负债 run up debts 积欠债务 用适当的
11、介、副词填空(1)He was still $6,000 debt.(2)Their club was badly managed and soon got debt.(3)He now has enough money to pay his fathers debts.(4)Its hard to stay out debt if you live on your salary.7、cut down (on)缩小；缩减(尺寸、数量等)(reduce) cut back(on) (尤因资金不足)减少；削减 cut across/through 抄近路穿过cut in (on)插嘴；打断 cut
12、 off 切(砍)掉；切断；阻断 cut up 切碎；割伤；使伤心用适当的介、副词填空 My doctor has told me to cut on fat. Many departments are cutting on staff at the moment. Come on，if we cut the field well get there before Frank. She kept cutting on our conversation. The electricity company are threatening to cut us .8、before long 不久以后，很
13、快 long ago/before 很久以前It wont be.before. 用不了多长时间就会(before从句用一般现在时)It will be.before. 得过多长时间才(before从句用一般现在时)It wasnt.before. 没过多长时间就(before从句用一般过去时)It was.before. 过了多长时间才(before从句用一般过去时) (1)我们不久就意识到丹走了。Before long (=Soon / /By and by) we realized Dan had left.It wasnt long before we realized Dan had
14、 left.(2)It wont be long before we take the final exam.That is to say，well take the exam _.Along ago Blong before Cmore or less Dbefore long IV、重点句型: have sb./sth. doing sth. 使某人做，使某物正处于与cant，wont连用，且主语为第一人称时，表示“不容许，不许可”。have sb.do sth.叫某人做某事 have宾语to do ( have的意思是“有”) ( 1)叫人做某事have sth.done( 2)遭遇某种
15、(不幸的)事情( 3)表示“把做完”，主语也可自己参加完成(1)用所给动词的适当形式填空 The Smiths had everything in their house (steal) They had the machine (run) the whole night. We will have the gardener (plant) more flowers and trees. I have a lot to (complete) in the coming weekend，so I cant spare any time to have a rest.I cant have you
16、 (speak) to your mother in a rude manner.You must apologize to her immediately.(2)Did Peter fix the computer himself?SSHe _，because he doesnt know much about computers.Ahas it fixed Bhad fixed it Chad it fixed Dfixed itV、单元语法：情态动词(2)用适当的情态动词填空:(1) You ought to have helped him with his English， you?(2) we start early? Lets not start too early.(3) You not refer to your notes in the test according to the rule.(4) Need I finish the work today? Yes， ./No， .(5) Must we do it now? No，you .
