（整理版高中英语）高一英语Unit2HealthyEating(2)人教实验.doc

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1、高一英语Unit 2 Healthy Eating (2) 人教实验版【本讲教育信息】一. 教学内容： Unit 2 Healthy Eating (2) 1. 语法：情态动词：ought to, have to, should, must以及need的用法情态动词综合练习 2. 构词法二. 教学重难点： 1. 情态动词ought to与should的用法should作为情态动词，表示“劝告、“建议，常译作“应该。如：You should keep your promise.你应该信守诺言。Young people should respect old people.年青人应该尊重老年人。ou

2、ght无人称和时态的变化，后接带to的动词不定式。ought to可表示“义务、“要求、或“劝告，常译作“应该、“应当等。此时和should差不多，只是语气稍重一些。如：You ought to start at once.你应该立即开始。Such things ought not to be done.不应该做这种事情。注意ought to的否认式的写法ought to有时可以表示“非常可能的意思，常用于第三人称中。如：Ought he to go?他有可能去吗？Yes, he ought to.是的，很可能。If she is completely well, she ought to b

3、e back at school today.如果完全康复的话，她很有可能今天来上学。2. must和have toshould和ought to用来表示“劝告，而must和have to那么用来表示“强烈的要求。上一节已经为大家介绍过must和have to的区别，这里大家还要体会它们与should及ought to的含义差异。下面来理解以下句子的含义及差异。You must eat a balanced diet to stay healthy.You should eat a balanced diet to stay healthy.You must get up early.You

4、have to eat three meals a day if you want to be able to study hard.You must not eat the same kind of food at every meal.You neednt eat meat every day.情态动词练习题： 1. 用should, shouldnt, must, mustnt, neednt, have to, dont have to填空1Bills room isnt very interesting. So he _ put some paintings on the wall.

5、2Susan drives every where and never walks. She _ use her car so much.3Weve got plenty of time. We _ hurry.4We have got little time. We _ hurry.5You _ play on the street. Its dangerous.6Must I do all the exercise today? No, you _.7_ I finish my homework today? No, you neednt.8You _ wait here. I will

6、call you later. 2. 构词法英语中有很多词汇是通过构词法形成的。通过了解构词法的内容，可以帮助我们更加容易地理解和记忆词汇。1构词法的分类及规那么：构词法规那么例证派生通过前缀构成另一个词happy形快乐unhappy名不快乐通过后缀构成另一个词happy形快乐happiness名快乐通过加前后缀构成另一个词happy形快乐unhappily副不快乐地合成两个词合成一个新的单词home + land = homelandover + weigh = overweight转化同一个词有不同的词性water n. 水 v. 浇水visit n. 参观 v. 参观2派生词常见的前缀p

7、refixmeaningdis-否认dishonest, dislike, disappear, discourage, disappoint, disagree, discover, in-(il-, im- ,ir-)不，非incapable, inability, invisible, incomplete, incorrect, illegal, impossible, impatient, irregular, non-不，非，无non- fiction, non- smoker, non- stop, re-重复，再return, reunite, remarry, rewrite

8、, reconsider, reuse, recycle, un-不unable, unemployment, unfit, unfair, unknown, unlimited, untie, 例如： 1. Soldiers must never disobey. 2. An employer cannot afford to hire incapable workers. 3. The answer is not non-change, but a different kind of change. 4. Green Road, now renamed Millbank. 5. This

9、is a house unfit to live in.常见的后缀suffixmeaning名词-er (-or)farmer, fighter, thinker, villager, visitor, conductor, actor, -eseChinese, Japanese, -ianmusician, Asian, Russian, -istartist, piantist, scientist, communist, socialist, -mentgovernment, movement, development, equipment, entertainment -nessbu

10、siness, illness, darkness, selfishness, -tioninvention, liberation, education, collection, translation, 形容词-alphysical, national, political, natural, -anAmerican, Italian, Australian, -blereasonable, comfortable, horrible, -fulhelpful, useful, careful, -ingboring, tiring, interesting, -iveactive, in

11、structive, expensive, -ycloudy, windy, dirty, 动词-fybeautify, terrify, -izeapologize, organize, realize, 副词-lybadly, perfectly, truly, angrily, 例如： 1. There are so many white- collar worker in Zhongguancun. 2. Newton is a famous scientist. 3. There was a gentleness about his face. 4. It is natural fo

12、r ducks to swim. 5. Be careful not to fall. 6. Its a very exciting story. 7. I must apologize for calling you so late. 8. The father shouted at the naughty son angrily.前后缀综合 1. There was little disagreement over what needed to be done. 2. What they have to tell us may be shocking or unacceptable.【模拟

13、试题】一、Multiple Choices 1. Excuse me, will you please tell me the way to the railway station?You _ go and ask that policeman.A. mayB. mustC. shouldD. have to2. The little boy keeps looking at the bread. He _ hungry now.A. need beB. has to beC. should beD. must be3. Can you play the computer game? Yes,

14、 I _.A. canB. mustC. needD. should4. _ you pass me a pen?A. MustB. NeedC. ShouldD. Could5. Tommy has just had lunch. He _ be hungry now.A. cantB. mustntC. may notD. doesnt have to6. _ I have your name, please?A. Need B. ShouldC. Will D. May7. Must I do all he exercises today? No, you _.A. mustntB. n

15、eedntC. couldntD. shouldnt8. You _ play with the fire. Its dangerous.A. needntB. mustntC. cantD. may not9. The meeting will begin soon. I _ go now.A. mustB. needC. cantD. should10. To make Beijing more beautiful, you _ throw rubbish into rivers.A. needntB. cantC. couldntD. mustnt二、一Complete these se

16、ntences with a suitable verb, using a prefix.(加前缀填空)open lock appear smoker correct1.The children were here a minute ago, but now theyve _.2. Its closed for the summer, but it will _in September.3. John was so careless that he left the door_ when he went out for a walk last night.4. We are _because

17、we are middle school students.5. This problem is so difficult that most of us give _ answers.二根据句意，用括号中单词的同根词填空。1. To his pleasure, he received an _ (invite) to a dinner party.2. It is a _ (shameful) to do an injury to a person.3. The famous _ (music) will make an appearance soon.4. He made an _ (ap

18、ologize) to me for his _ (care).5. Last year Jack visited Beijing for the_ (eight) time and his wife for the _ (nine) time.6. Does the _ (science) know the weight of an atom?7. _ (Europe) make it a rule to buy _ (Christ) presents for their friends.8. Which subject do you like better, _ (chemical) or

19、 _ (physical)?9. Is the foreigner a _ (Germany) or an _ (Italy)?三、阅读短文，在短文空白处写出粗体词的相应名词。Whilst at college, I remember listening to a lecture given by a rather pompous (1) _who was discussing the values of strong (2)_ in politics. Firstly he presented his (3)_ of (4)_ , them continued by arguing that

20、 (5)_ by a political leader was a positive attribute as resolute decisions could be made but that the basic (6)_ in society could still be maintained. He felt strongly that schools did not provide the kind of (7)_ needed for the development of good leadership qualities which should be instilled from

21、 early (8)_. He felt also that modern society encouraged qualities such as (9)_ and (10)_ gave no positive (11)_ to the young. However, when an earnest young student explained that he would like to become a (12)_ or a (13)_ in industry, and asked about courses to follow, the politician said, with a

22、curt (14)_ , “ Thats a silly question to ask me! I am a politician not a careers adviser!1. politics politician 8. child 2. leader 9. lazy 3. define 10. cynic 4. leader 11. guide 5. dominate 12. politics 6. free 13. manage 7. encourage 14. dismiss 【试题答案】一、Multiple Choices:CDADA, DBBAD二、一加前缀填空1. disa

23、ppeared2. reopen3. unlocked4. non-smokers5. incorrect二同根词填空1. invitation2. shame3. musician4. apology, carelessness5. eighth, ninth6. scientist7. European, Christmas8. chemistry, physics9. German, Italian三、阅读填空 2. leadership 3. definition 4. leadership 5. domination 6. freedom 7. encouragement8. childhood 9. laziness 10. cynicism 11. guidance 12. politician 13. manager 14. dismissal