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1、第 1 页 Unit2 Healthy eating 适用学科 高中英语适用年级高中一年级 适用区域 人教新课标版课时时长 （分钟） 2 课时 知识点 重点词汇 : diet, balance, offer, serve, discount, glare, consider, operate, combine, tired, hurry, frustrate, limit 重点短语 : cut down, in debt, earn ones living 重点句型 : 1.nothing could be bet ter 2.Why dont you do. ？ 3.have sb. doi
2、ng sth. 教学目标 Get students to learn and grasp the important useful new words and expressions in this part: 教学重点 Enable students to grasp the usages of such important new words and expressions 教学难点Get students to understand some difficult and long sentences. 教学过程 一、复习预习 1. 检查上节课课后作业； 2. Unit1 语言知识运用诊断
3、 (1)I am afraid that my boss is not satisfied with my work. _ Nobody s saying you re not good at your job. AIt doesn t matter.BTake it easy! CForget it! DGo ahead. 解析：选B考查交际用语。句意：“ 我担心老板对我的工作不满意。”“不要紧张。没 有人说你的工作没干好。”It doesn t matter.“没关系 ” ，通常是对方道歉时的应答用语。Take it easy！“ 放松； 不要紧张 ” ，通常用于安慰别人。Forget i
4、t！“ 算了吧 ” ，常用于否决别人的建议。 Go ahead. “开始吧 ” ，常用于同意某人的建议或请求。 (2)As the road to the airport is under reconstruction, wed better _ early to avoid the traffic jam. 第 2 页 Apay off B set off Cput off Dtake off 解析：选 B考查动词短语辨析。句意：因为通向机场的道路正在重建中，我们最好早 点出发以避免交通堵塞。set off 意为 “ 出发 ” ，符合题意。 pay off 意为 “ 还清；成功 ” ；put
5、 off 意为 “ 推迟 ” ；take off 意为 “ 起飞；脱下 ” 。故选 B。 (3)_ not to miss the flight at 15 ：20, the manager set out for the airport in a hurry. AReminding BReminded CTo remind DHaving reminded 解析：选B考查非谓语动词作状语。句意：有人提醒经理不要错过15：20 的航班， 他匆忙出发去了机场。句子主语the manager 与 remind 为逻辑上的被动关系，故排除 A、C、 D 三项，因为这三项表主动，只有B 项表被动。非谓
6、语动词作状语，其逻辑主语要和句子 主语保持一致。 (4)May I tell this to my close friend? No, you _.Never let anybody else know about it. Aneedn tBshouldn t Cmustn tDcant 解析：选 C由“ 决不可以让其他任何人知道” 可知选 C，mustnt表示 “ 不允许；不可以 ” ， 语气强烈。 (5)How will she behave in case of our failure? She ll put the blame on us if it _ badly. Aturns u
7、p Bturns down Cturns off Dturns out 解析：选D考查动词短语辨析。句意：“ 万一我们失败了，她会怎样呢？”“如果结果 很糟糕的话， 她会把责任推到我们身上。”turn out“结果 (是)； 原来 (是) ” ， 符合句意。 turn up “开 大；出现 ” ；turn down “ 关小；拒绝 ” ；turn off“关掉 ” 。 (6)In China, it is a traditional _ to show respect to ancestors during the Qingming Festival. Abelief Bcustom Cstr
8、ength Dprinciple 解析：选 B考查名词辨析。 belief“信任；信心；信仰 ” ； custom“ 习惯；风俗 ” ； strength “强 项；长处；力量” ；principle“法则；原则；原理” 。根据句意选B。 (7)It remains to be seen _ the new president can relieve the fear _ more and more workers will be laid off. Awhether; that Bhow; why 第 3 页 Cwhat; that Dwhether; how 解析： 选 A考查名词性从句。
9、句意： 新任总统是否能减轻人们对越来越多的人将会失 业的恐慌还有待观察。根据句意并分析句子成分可知，it 为形式主语，第一空引导的主语从 句是句子的真正主语，根据句意可知， 应选 whether； 第二空引导的从句作the fear 的同位语， 且空处在同位语从句中不充当成分，故选that。 (8)I _ a lawyer about the agreement this morning, and he gave me some advice. Aawarded Badmired Creminded Dconsulted 解析：选 D考查动词辨析。 award“ 授予；判定 ” ；admire
10、“ 赞美；钦佩；羡慕 ” ；remind“ 提 醒；使想起 ” ；consult “咨询；请教；商量” 。根据句意选D。 (9)We enjoyed the flowers in the park, and had _ great fun yesterday. Great. But it s _great pity that I didn t join you. A/; / Ba; / C/; a Da; a 解析：选C句意： “ 昨天我们在公园里欣赏了花并且玩得很愉快。”“太好了。不过遗 憾的是我没有加入你们。”have fun 意为 “ 玩得高兴 ” ； It s a great pity
11、 that .意为 “ 很可惜 ” 。 (10) The building project _ next year is not easy _ in time. Abeing carried out; to complete Bcarried out; to be completed Cto be carried out; to complete Dto be carried out; to be completed 解析： 选 C考查非谓语动词作定语和状语。句意： 明年将要实施的大楼工程要想按时 完成并不容易。第一空为不定式的被动式作定语表示被动、将来；第二空为不定式作状语， 用主动表示被动
12、。 二、课堂导入 由谚语开始说起“An apple a day keeps the doctor away.” What kind of food should people eat in order to keep healthy? Do you know that the food you eat helps you grow in different ways? 1. Food to provide energy energy-giving food 2. Food to grow bones and muscles body-building food 3. Food to give
13、fibre for digestion 第 4 页 protective food What are energy-providing foods? Carbohydrates (碳水化合物 ) and fats are the key energy-providing nutrients. e.g. flour-based food, chocolate, butter, cream, oils, nuts Get to know more energy- providing foods? noodles spaghetti cream butter chestnut walnut haze
14、lnut Almond Pistachio nut peanut What are body-building foods? Proteins are the key body-building nutrients. Including ：meat, eggs, cheese, seafood, milk, beancurd, etc. Get to know more body-building foods? sea cucumber crab lobster shrimp seaweed salmon Meat: 猪肉pork 牛肉beef 羊肉 mutton What are prote
15、ctive foods? Vitamins, fibres and minerals are the key protective nutrients, which are mainly found in all the fruit and vegetables. Vitamins give us clear skin, strong bones and healthy blood. As they pass through the gut, fibres make solid waste bulky and soft so it is easy to get rid of. Small, r
16、egular amount of minerals help to keep our body working efficiently. Get to know more protective foods? kiwifruit apricot durian mangosteen starfruit capsicum cauliflower spinach daikon radish 三、知识讲解 知识点1 重点词汇 balance 重点例句： What will happen to you if you don t eat a balanced diet？ 1)(n.) 第 5 页 (1) U
17、 平衡 lose/keep one s balance be off balance sense of balance (2) U, sing 平衡 ;均衡 Pesticides seriously upset the balance of nature. (3) C 天平，秤 Weigh it on the balance. (4) C usu sing 收支差额，余额 My bank balance isn t good. 2) (v.) (1) (vt./vi.) （使 ) 保持平衡 How long can you balance on one foot? Balancing my c
18、up of coffee in one hand, I managed to open the door. (2) (vt.) 结算 to balance an account 【点拨】balance n. there s plenty of time别着急，时间还有很多。 I wish the train would hurry up and come 我希望列车快点到来。 【拓展】 in a hurry( hurriedly ，quickly) 迅速地，急忙地 be in a hurry to do sth. ( be eager to do sth)急于做某事 be in no hurr
19、y to do sth 不急于做某事；不愿意做某事 He was in a hurry to leave 他急匆匆地离开了。 frustrate 【原句回放】 Wang Peng sat in his empty restaurant feeling very frustrated 王鹏坐在空荡荡的 餐馆里，感到十分沮丧。 【点拨】 frustrate vt. 挫败，使沮丧 frustrate sb. 使某人受挫败；扰乱/阻挠某人 sb. be frustrated by. 某人因 而灰心 /沮丧 The terrible weather frustrated our hopes of goi
20、ng out 恶劣的天气使我们外出的愿望无法 实现。 He was frustrated by repeated failures他因一再失败而灰心丧气。 【拓展】 frustrated adj. 灰心丧气的，沮丧的 frustrating adj. 使人讨厌的；使人灰心的 limit 【原句回放】 . but I found your menu so limited that I stopped worrying and started advertising the benefits of my food 但我发现你的菜单上的菜如此有限，我就不担心了，并且开始 为我的食物的益处做宣传了。
21、【点拨】 limit v.限制，限定 第 11 页 limit. to. 把 限制在 /到 n.限度 set a limit to/on sth 设定对某事的限度 the limit of one s patience某人忍耐的限度 within limits适度地；有限度地 without limits无限地 go/beyond/over the limit 超过限度 There s a limit to how much I m prepared to spend我准备花多少钱是有限度的。 I shall limit myself to three aspects of the subje
22、ct 我仅探讨这一问题的三个方面。 limited adj.有限的，不多的 The amount of money we have is limited 我们的钱有限。 We had only limited communion with the natives我们与当地人的交往很有限。 【拓展】 set a limit to/on. 对 规定限度 limit . to. 把 限定在 范围之内 without limit 查过限度 beyond the limit 超过限度 within limits 适度地；有限度地 知识点2 重点短语 1. cut down 【原句回放】 In this
23、way they cut down the fat and increased the fibre in the meal这样，他们 减少了饭菜中的脂肪含量，增加了纤维素。 【点拨】cut down 砍伐 cut down a tree 砍倒一棵树 削减，降低cut down one s expenses削减某人的开支 【易混辨析】cut up 切碎，割碎，使伤心 cut down 砍倒，减少 cut in 打断 (谈话 )，插嘴 cut out(=stop functioning) 不再起作用，停止运转 cut off 切断；使隔绝 One of the aircraft s engines
24、 cut out飞机的一个发动机失灵了。 第 12 页 The army was cut off from its base 那支部队与基地失去了联系。 2. in debt 【原句回放】 He did not look forward to being in debt(P14)他不希望负债 【点拨】in debt 负债 It s much easier to get into debt than to get out of debt借债容易还债难。 【拓展】 get/run into debt 负债，借债 out of debt 不欠债 pay off the debt 还清债务 be in
25、 sb. s debt/in debt to sb欠某人的债，受某人的恩惠 3. earn one s living 【原句回放】 Perhaps he would be able to earn his living after all (P14) 也许他仍然能够谋 生 【点拨】 earn one s living 谋生，度日= make ones living He left his office job to try to make a living on the land他辞去了办公室的工作，努力以务农 为生。 【拓展】 “ 谋生，度日 ” 的表示方法： earn one s brea
26、d make the pot boil keep the pot boiling earn one s respect 赢得某人的尊敬 earn one s confidence 赢得某人的自信 知识点3 重点句型 1.nothing could be better 【原句回放】 “Nothing could be better”he thought.他想： “ 再没有比这更好吃的了” 【点拨】 (1)形容词的最高级与否定代词nothing 连用，表达最高级含义。有此用法的常用否 定词有 no，not，never， hardly，nobody，nothing 等。 (2)表示最高级意义的几种特
27、殊结构： can/couldnot/neverbeenough/too形容词 /副词 never比较级 nothing/noso原级 as. nothing/no比较级 than. 第 13 页 比较级 than any other单数名词 anyone else all the others all the other复数名词 any of the other复数名词 the rest of 复数名词或不可数名词 The book has a greater effect on me than any other book. all the other books. any of the o
28、ther books. 这本书对我影响最大。 【拓展】 (1) Theres nothing better than a hot shower in the morning. 没有什么比早晨洗个热水澡更好的了。 (2)Nothing gives me more pleasure than listening to Mozart. 再没有比听莫扎特的乐曲更让我高兴的事了。 2.Why dont you do. ？ 【原句回放】 Why don t you sit down and try a meal? 你为什么不坐下来吃顿饭呢？ 【点拨】 Why dont you do. ？ Why not
29、do. ？“ 为什么不 ？” 常用来表示委婉地提出建 议。 Why not？“ 为什么不？ ” 用在简略回答中，表示同意甚至非常赞同。 (1)Why not make your own Christmas cards instead of buying them? 为什么不自己做圣诞卡而要去买呢？ (2)Lets go to the cinema.咱们去看电影吧。 Why not ？好哇。 (3) Why not come and join us? 为什么不加入到我们当中来呢？ 【拓展】 “ why + 动词原形 ” 表示责备、不赞成。 Why quarrel with him? 为什么要跟他
30、吵架呢？ 3.have sb. doing sth. 【原句回放】 He could not have Yong Hui getting away with telling people lies! (P10)他可不能让 雍慧哄骗人们却不受惩罚! 【点拨】 have sb. doing sth. 让某人出于某种状态之中，have 为使役动词。 I won t have you smoking at this age. 【辨析】 have sb./sth. doing; have sb. do sth.; have sth. done 与 have sth. to do have sb./sth
31、. doing 中宾语与宾语补足语之间是主谓关系，强调doing 这一动作持续进行或 “ 使某人或某物处于某种状态” 。 第 14 页 The workers have that machine running all day. 工人们让那台机器整天运转。 have sb. do sth. 中宾语与宾语补足语是逻辑上的主谓关系，强调这一具体的动作。 I had him go out to see what was happening outside? 我让他出去看看外面发生了什么事？ have sth. done 中宾语与宾语补足语是逻辑上的动宾关系，表示“ 让别人做某事 ” He had h
32、is bad tooth pulled out yesterday. 他昨天找人拔了那颗坏牙。 have sth. to do 中 to do 为不定式短语作后置定语。 I m busy now, for I have a lot of papers to type. 我现在很忙，因为我有很多文件要打。 四、例题精析 【例题 1】Knowledge and learning are important if we want to be successful, but they may also _our thinking. Adirect B limit Cchange Dimprove 【答
33、案】 选B 【解析】考查动词词义辨析。句意：如果我们想成功，学识很重要，但是它们也可能会限 制我们的思维。direct “指导；管理 ” ；limit“限制 ” ；change“ 改变 ” ；improve“ 改善；改进 ” 。 【例题 2】Why do you choose to work in an international travel agency? Well, you know, English is my _. So it is my best choice. Astrength Btalent Cability Dskill 【答案】 选A 【解析】 考查名词词义辨析。句意：“
34、 你为什么选择在国际旅行社工作？”“噢，你知道，英 语是我的强项。 因此这是我的最佳选择。”strength “强项；长处 ” ； talent “天资；才能 ” ； ability“能 力；力量 ” ；skill“技能；擅长 ” 【例题 3】China has been pushing the reform of public hospitals _ all its citizens. Ain charge of Bfor the purpose of Cin honor of Dfor the benefit of 【答案】 选D 【解析】 考查介词短语辨析。句意：为了所有市民的利益，中国
35、一直在推进公立医院的改革。 in charge of“主管；负责；照料 ” ； for the purpose of“为了；为 起见 ” ； in honor of“为了向 表示敬意 ” ；for the benefit of“为了 的利益 ” 【例题 4】If you just spend time _ advantages and disadvantages, you may get nothing in the end. Amatching Bbalancing 第 15 页 Cobserving Dexamining 【答案】 选 B 【解析】 balance advantages a
36、nd disadvantages意为 “ 权衡利弊 ” 【例题 5】Many young people would like to have an expensive wedding even if they have to borrow a lot of money and be heavily _ after that. Ain trouble Bin surprise Cin love Din debt 【答案】 选D 【解析】 句意： 许多年轻人喜欢举行豪华的婚礼，即使他们不得不为此借一大笔钱，之后债 台高筑。 in debt “欠债 【例题 6】Adopting the doctor
37、s advice, he _ coffee and cigarettes and ate a balanced diet. Acut downBbroke down Cturned down Dput down 【答案】 选A 【解析】 考查动词短语辨析。句意： 他采纳了医生的建议，少喝咖啡少抽烟并均衡饮食。cut down“ 削减 ” ，符合句意。break down“ 出故障；垮掉” ；turn down“ 拒绝；把 调低 ” ；put down“ 写下；记下 ” 。 【例题 7】Mr. Stevenson is great to work for I really couldnt ask
38、 for a _ boss. Abetter Bgood Cbest Dstill better 【答案】 选A 【解析】 考查比较级用法。“cant/couldn t .比较级 ” 表示最高级含义。根据前半句“Mr. Stevenson is great to work for ” 可知， Stevenson 是一个不错的老板，因此说“ 我真的找不到 一个比他更好的老板了” ，表示在我看来他是最好的。 五、课堂练习 （一）单词拼写： 根据句意及汉语提示，写出各句中所缺单词的正确形式 He s always full of e_ _ and seems never to be tired. 1
39、.Kitty has been wondering what is in the box and finally she opened it with c_. 2.What will happen if you do not eat a b_ diet. 第 16 页 3.The agreement will b_ both sides. 4.I m t_ of this kind of food.Can t we change a different one? 6. If you feel not good, you d better c_ a doctor. 7. It s importa
40、nt to know your own strengths and _(缺点 ). 8. Time is l_. We need to be hurry. 9. There are usually a lot of _ ( 顾客 ) in the KFC. 10. Our boss could have sold more goods if he had promised to offer a 40% _( 折扣 ). 11. You have to _(权衡 ) the advantages of living in a big city against the disadvantages.
41、 12. Don t leave your books_(躺) about. 13. Success was achieved by the_（联合的 , 共同的）efforts of the whole team. 14. This project is of great_ ( 好处 , 益处 ) to everyone. 15. She_ (叹气 ) when she saw the hole in her blouse. 16. There is a_（限度） to everything. 17. His_ ( 怒视 )eyes made me feel uncomfortable. 1
42、8. We ll do nothing without_( 找 商议 )you. 19. Filled with extraordinary_ (力气 ), he raised himself completely. 20. Everyone has his own little_ ( 缺点 ). （二）句型转换： 每空填一词，使该句与所给句子的意思相同 1.Wang Bin, you should surf the Internet for more information. Wang Bin, you _ _ surf the Internet for more information.
43、2.If you cheat in the exam, you will be punished （惩罚）for it. If you cheat in the exam, you will never _ _ _ it. 3. Johnson lives a hard life, for he owes （欠）a lot of money. Johnson lives a hard life, for he is _ _. 4. He often lies, so no one believes him. He often _ _ _, so no one believe him. 5. H
44、is restaurant ought to be full of people. His restaurant ought to be _ _ people. （三）完成句子： 第 17 页 根据中文提示，完成句子 1， 做运动对我们的健康有好处。(benefit) _ 2,他撒了谎却没被惩罚。(get away with) _ 3,Tom 已经厌倦了每天做同样的事情。（be tired of） _ 4,Lisa 靠教书谋生。 （earn one s living） _ 5,你本应该按时完成作业的。（ ought to have done） _ 6. Several ladies who w
45、ere trying _had already failed by eating cream cakes. 几位女士试图减肥, 但同时又吃奶油蛋糕, 结果失败了。 7. Will you _and tell me how much it cost? 你能不能满足我的好奇心, 告诉我那花了多少钱? 8. I won t let him _ 我不会让他用那种借口蒙混过去。 9. He is deeply involved_ 他债台高筑。 10. She was accused of _the information. 她被指控刺探信息。 11. He was asking 400 for the
46、car, but we_ 350. 这辆汽车他要价400 英镑 , 但是我们把价砍到350 英镑。 12. His plan seemed to be too difficult, but_it proved to be practicable. 他的计划看起来太困难, 但是没多久就被证明很实用。 13. Mother is out, so I _the shop. 妈妈不在家 , 因此我不得不照看商店。 14. You_ that when he asked. 当他问的时候, 你其实没必要说。 15. It _last night, for the ground is wet. 第 18 页 昨晚一定下雨了, 因为地面是湿的。 （四）根据提示翻译句子 1. 如果你时常请教老师的话，你将会受益匪浅。(benefit，consult (with) 2. 他认为自己能够逃过学习而考试，但最后他失败了。( get away with ) 3. 除非你保持均衡的饮食，否则将会增加体重。(a balanced diet, put on weight ) 4. 他对家乡的巨变十分惊讶。(ama