高中英语必修三第二单元重点

1、高中英语必修三第二单元重点、难点 Unit Two Healthy eating1、Do you eat a healthy diet? 你吃的健康吗？ diet 日常饮食A balanced diet is necessary for good health.平衡的饮食对身体健康很有必要。Chinese diet is high in fiber. 中餐富含纤维。易混辨析：diet和food diet既可指习惯上吃的食物，又可指规定的食物。特指维持健康的食物。food是一般用语，指进入身体供人或动物生长的食物。强调种类时为复数名词。联想扩展：go on a diet = be on a di

2、et 节食 You please have lunch yourself, I am on a diet. 你自己吃午饭，我在节食。2、By now his restaurant ought to be full of people. 到这个时候他饭店宾客盈门的。 ought to 用法归纳：（1）（按理）应该 He ought to be here by now. 他这会儿应该到了。It ought to be very cold in December in Xian. 西安12月应该很冷了。（2）（建议）应该You ought to study hard. 你应该努力学习。Schools

3、 ought to supply good books for students. 学校应该为学生提供好书。（3）ought to have done = should have done 过去应该做而未做You ought to have studied hard in the past three years. 过去三年你应该好好学习来着。即时活用：1、-There is a lot of smoke coming out of the teaching building. -Really? It _be a fire, most probably.A. can B. ought to C

4、. have to D. must 2、_ the old building still stand there after so many years?A. Must B. May C. Can D. Ought to 答案：B C3、He thought of his mutton, beef and bacon cooked in the hottest, finest oil.他想到了他用最热的，最好的油烹制出的羊肉、牛排和熏肉。think of 用法归纳：（1）想起；记起 Sorry, I didnt think of your name just now. 对不起，我刚才没想起你的

5、名字。We should think of some excuses. 我们应该找一些借口。（2）考虑We should think of the matter carefully. 我们应该认真考虑这个问题。Please think of what I have said. 考虑一下我所说的。（3）为着想 Chen Guangbiao is always thinking of the poor people in the poor areas. 陈光标总是想着贫穷地区的穷人。Dont trust him, he only thinks of himself. 别相信他，他只为自己着想。（4

6、）想；打算 I am thinking of giving up smoking. 我打算戒烟。Is there anyone thinking of going out to play basketball with me? 有人想和我出去打篮球吗？联想扩展：think about想；考虑 think much of 对评价很高 think highly / well of 高度评价 think badly / little of认为不好 think nothing of 觉得不怎么样 think out 想出；想清楚 think over 仔细考虑 即时活用： How long have

7、you worked in this library? -Two years, but Im thinking _.A. to stop B. of stop C. to stopping D. of stopping 答案：D4、Something terrible must have happened if Li Chang was not coming to eat in his restaurant as he always did.如果李昌不像平常那样来他的饭店吃饭肯定是发生了什么可怕的事情。情态动词表示猜测情态动词、表示意义及猜测的概率：must 一定；肯定 100% may 可能

8、 50%-60%might 也许 20%-30% should 按理应该 can / could 可能特别提示：must, may, might, should 用于肯定猜测；can / could用于否定和疑问猜测。用法归纳：（1）表示对现在情况的猜测，用“情态动词+动词原形”He must be in the classroom. 他一定在教室。 She may have a spare pen. 她也许有一支多余的钢笔。（2）表示对过去情况的猜测， 用“情态动词 + have +过去分词”The ground is wet, it might have rained last night

9、. 地是湿的，昨晚可能下雨了。They must have finished their homework. 他们一定把作业做完了。特别提示：注意情态动词表示猜测句的反义疑问句。（1）表示对现在情况的猜测的句子，不能用情态动词反问。（2）表示对过去情况的猜测的句子，如果句子中有表示过去的时间，用过去式反问；如果句子中没有表示过去的时间，用完成时反问。He must be in the classroom，isnt he? 他一定在教室,是吗？She may have a spare pen, doesnt she? 她也许有一支多余的钢笔，是吗？The ground is wet, it mi

10、ght have rained last night, didnt it? 地是湿的，昨晚可能下雨了，是吗？They must have finished their homework, havent they? 他们一定把作业做完了，是吗？should 表示“按理应该”。看下面一道高考题-When shall I come for the photos? I need them this afternoon. -They _ be ready by 12.A. must B. can C. should D. can 答案：Ccan / could 用于疑问句表示“可能吗”；用于否定句表示“

11、不可能”。-Look, someone is coming, who can it be ? 看，有人来了，可能是谁呢？ -It must be the headmaster. 肯定是校长。-It cant be him. He has gone to Xian. 不可能是他，他去西安了。 即时活用：1、He_ without saying goodbye to them, for he always has good manners.A. mustnt have left B. may not leave C. shouldnt have left D. cant have left 2、T

12、he classroom was empty. I think they _ to the playground to do morning exercises.A. must have gone B. ought to have gone C. should have done D. can have done 3、-We werent sure which way to go. In the end we turned right. -You _ the wrong way. You _ left.A. had gone; must have turned B. went; must tu

13、rn C. have gone; would have turned D. went; should have turned4、You must have been caught in the rain yesterday, _ you? A. mustnt B. havent C. didnt D. werent 5、When I suggested that someone in the village _ his wine, he didnt believe.A. must have drunk B. should drink C. have drunk D. has drunk 6、H

14、e must be the person who has been late a third time this week, _?A. isnt he B. hasnt he C. mustnt he D. must he 7、 Is Bush over his cold yet?- He _. He went ice-skating yesterday.A. must be B. ought to C. will be D. has to 8、 Has your brother got up?- Sorry, Im not sure. He _got up.A. must have B. c

15、ant have C. would have D. might have 答案：DADCAAAD5、Tired of all that fat? Want to lose weight? 肥腻的东西吃厌了吗？想变瘦吗？be tired of 对厌倦；厌烦 I am tired of learning English. 我烦学英语。We are tired of the same breakfast every morning. 我们厌烦每天早上吃同样的早餐。易混辨析：be tired of 对厌倦；厌烦 be tired from / with 由于而疲惫We are tired from t

16、he long running. 由于长跑我们很累。特别提示：这里tired of为形容词短语，在句中作状语。形容词作状语时，多放在句首或句末。在句中作原因状语、条件状语或伴随状语。 Thirsty, he rushed to the well. 由于很渴，他朝井边跑过去。The old man was lying on the ground, dead. 那个老人躺在地上，死了。lose weight 减肥 Many young girls are going on a diet to lose weight. 许多年轻的女孩节食想减肥。联想扩展：put on weight 增肥；长胖 Yo

17、u should eat less, you cant put on more weight. 你应该少吃点，你不敢再长胖了。6、Curiosity drove Wang Peng inside. 好奇心驱使王鹏走进去。 drive vt. 迫使;逼迫 用法归纳：（1）drive sb. to do sth. What drove you to change your mind? 什么使你改变注意的？Hunger drove them to sell their children. 饥饿使得他们卖掉孩子。（2）drive sb. to + n. / doing Poverty drove th

18、em to stealing. 贫穷使得他们偷窃。Troubles drove him to alcohol. 烦恼使得他借酒消愁。（3）drive + O +介词短语 We at last drove the Japanese invaders out of China. 我们最终把日本侵略者赶出了中国。Oppression drove them into open rebellion. 压迫使得他们反叛。7、He could not have Yong Hui getting away with telling people lies! 他可不能让雍慧哄骗人们后跑掉。have + O +

19、OC 让发生某情况 用法归纳：（1）have sb. do sth. 让某人做某事 Dont forget to have him come together with you. 别忘了让他和你一起来。I will have Li Mei type the letter. 我要让李梅打这封信。（2）have sb. / sth. doing 让某人做某事；让某情况发生 Oil can have cars running. 油能使车运行。If you are late again, I will have you standing at the back of the classroom for

20、 a period.如果你再迟到，我就让你在教室后面站一节课。（2）have sb. / sth. doneA. 让别人做某事 We should have the walls whitewashed. 我们应该找人把墙粉刷一下。I will have my bike repaired. 我要修一下自行车。B. 遭到某情况 My brother had his left leg broken while playing football. 我弟弟在踢足球时把左腿摔断了。She had her car stolen. 她的车被偷了。C. 完成 You should have your homew

21、ork finished first. 你应该先把作业完成了。即时活用：1、Is this the computer you _last week?That s_.A. had it repaired; the one B. repaired it; it C. had repaired; it D. had repaired; the one 2、We had a photo _ with the foreign friends. A. take B. took C. taking D. taken 3、The girl wont have anything _ against her te

22、acher. A. say B. said C. saying D. to say 4、Mrs Baker has her hair _every Friday afternoon after work. A. done B. do C. doing D. being done 5、 Mr. Wilson is expected back at noon .-Would you have him _ then, please?A. calling me B. call me C. to calling me D. called me 答案：CDBAB8、He could not have Yo

23、ng Hui getting away with telling people lies!他可不能让雍慧哄骗人们后跑掉。get away with 不受惩罚；被放过 They got away with having damaged the car. 他们把车弄坏了，但是没有受罚。联想扩展：get across使了解 get around/round/about到处走动 get down下来；使沮丧 get over恢复 get through完成9、He could not have Yong Hui getting away with telling people lies!他可不能让雍慧

24、哄骗人们后跑掉。关于“撒谎”（1）tell a lie / lies to do something 为了做而撒谎Mr. Kingtold a lie to get a job in the company. 为了在这个公司找到一份工作，金先生撒了一个谎。The man told lies to make his mother happy. 为了让妈妈高兴，那个人撒了许多谎。（2）tell a lie / lies with sb. = lie to sb. 对某人撒谎Some students often tell lies with their headteacher. 有些学生常常对班主

25、任撒谎。I forgive you this time, but you cant lie to me again. 这次我原谅你，但你不能再对我撒谎。10、Perhaps he would be able to earn his living after all and not have to close his restaurant.也许他不必关掉饭店也能谋生。earn ones living 谋生=make a living The old man earns his living by selling newspapers. 那个老人靠卖报纸谋生。How did you earn yo

26、ur living in the old days? 旧社会你是怎么生活的？11、He did not look forward to being in debt because his restaurant was no longer popular.他可不希望由于餐馆不受欢迎而负债。 in debt欠债 He is in heavy debt now. 他负债累累。His father left him nothing but a big debt. 他父亲只留给他一大笔债务。联想扩展：be out of debt不欠债 get into debt=run into debt=fall i

27、nto debt 负债 in ones debt 欠某人情12、She didnt look happy but glare at him. 她不高兴，拿眼睛瞪着他。glare vi.怒视；发耀眼的光 The angry father glared at his son. 生气的父亲怒视着儿子。The headlight of the car glared at me. 汽车的前灯照的我睁不开眼睛。易混辨析： glare 指由于羡慕、恐惧、惊讶而用恐吓、凶狠或愤怒的眼光看。The teacher glared at the pupil who was late for school. 老师生气

28、的看着那个迟到的学生。gaze指由于惊讶、好奇、喜悦、同情或感兴趣而目不转睛的看。For hours he sat gazing at the stars. 他坐在那儿盯着星星看了几个小时。stare指固定的凝视，暗示好奇、勇敢、无礼貌或愚蠢。It is impolite to stare at a stranger. 瞪着看一个生人是不礼貌的。glance “一瞥” She glanced shyly at him out of the corners of her eyes. 她很害羞的用眼睛的余光看着他。即时活用：1、- Do you like _ in public? -I dont

29、think so. It makes me nervous.A. to be glared B. being glared C. to be looked D. being stared at 2、The two men stood _ angrily at each other , while the crowd looked on with amusement .A. staring B. glaring C. glancing D. seeing 答案：D B13、I thought you were a new customer and now I know that you only

30、 came to spy on me and my menu.我原以为你是一个新顾客，现在我明白你过来只是为了侦查我和我的菜单。spy on暗中监视 Do you spy on us? 你在监视我们吗？I dont want anyone to spy on me. 我不愿意别人监视我。联想扩展：spy into 探听 spy out 觉察；发现 spy out the land 了解情况；估计形势14、I dont want to upset you, but I found your menu so limited that I stopped worrying and started a

31、dvertising the benefits of my food.我不想让你不高兴，但我发现你的菜单很有限，现在我不再担心了，我要开始宣传我食品的好处。benefit 用法归纳：（1）对有利 The fresh air here will benefit you. 这儿的新鲜空气对你有利。The new factory will benefit this area. 新工厂对这个地区有利。（2）受益；得到好处 You will benefit from the fresh air here. 你会受益于这儿的新鲜空气的。The patient hasnt benefited from th

32、e treatment. 病人并没有从治疗中得到好处。特别提示:benefit表示“对有利”时为及物动词；表示“受益；得到好处”时为不及物动词，后面多跟from, 有时跟by。15、In this way they cut down the fat and increased the fiber in the meal.这样，他们减少了饭菜中脂肪的含量，增加了纤维素。cut down 用法归纳：(1）削减；减少You should cut down your smoking. 你应该减少吸烟。We must cut down our expenses.我们应该削减费用。（2）砍倒 The wo

33、odcutter is cutting down a tree. 一个樵夫这在砍树。Only a few trees can be cut down for firewood. 只有一少部分树能够被砍倒当材烧。联想扩展cut across走捷径 cut at向砍去 cut in 插嘴;干预cut off切断;挡住cut out 删掉；切除cut up 切碎;使难过 16、Their balanced diets became such a success that before long Wang Peng became slimmer and Yong Hui put on more wei

34、ght.他们的健康食品那么成功所以不久后王鹏瘦了，雍慧胖了。before long 不久以后 Schools will break up before long. 不久后学校要放假。Before long we will have our mid-term exams. 不久我们要进行期中考试。易混辨析：before long表示“不久以后”，用于一般将来时态。而long before表示“很久以前”，用于过去时态。There was no electricity long before. 很久以前没有电。17、Their balanced diets became such a success that before long Wang Peng became slimmer and Yong Hui put on more weight.他们的健康食品那么成功所以不久后王鹏瘦了，雍慧胖了。put on用法归纳：（1）穿上；戴上 Put on your coat, its co