牛津上海版7AUnit2知识点及语法点

1、U2一、必会单词1. officer n. 官员；高级官员【词性转换】 office n. 办公室e.g. A police officer came to help when our car broke down on the way.我们的汽车在路上出了毛病，一位警官帮了我们的忙。2. society n. 社团； 协会【词性转换】 social adj. 协会的； 社会的e.g. the Chemical Society of China 中国化学学会3. prevention n. 预防；防止；防范【词性转换】 prevent v. 预防；防止e.g. Prevention is be

2、tter than cure. 预防胜于治疗。批注：prevent和protect,很多孩子分辨不清楚，还应该让孩子注意protect的名词形式是protection。4. cruelty n. 残酷【词性转换】 cruel adj. 残酷的；悲惨的e.g. cruelty to children 虐待儿童5. someone pron. 某人【近义词】 somebody pron. 某人；有人e.g. Someone wants to talk with you.有人想和你谈话。6. puppy n.小狗；幼犬【提示】dog一般用来指 成年狗”或表示狗的总称；puppy特指小狗，复数 形式为

3、puppies7. thirsty adj. 口渴的【词性转换】thirst n. 口渴e.g. I often feel thirsty when it'云煽ry 口我常感到口渴。8. lovely adj.可爱的；有吸引力的e.g. The house has many large rooms and there is a lovely garden.批注：以-ly结尾的单词的词性问题探讨： adj. + ly * adv.quick +lyquickly n. + ly adj.friend + lyfriendly9. as prep.作为；当作e.g. She works a

4、s an interpreter in that company. 她在那个公司担任口 译员的 工作。10. prefer v.更喜欢【注意】prefer A to B 喜欢A而不喜欢B;喜欢A胜过Bprefer A rather than B 宁愿 A 也不要 Be.g. Do you prefer coffee or tea粉喜欢咖啡还是茶？-I prefer coffee to tea.我喜欢咖啡胜过茶。11. care n. 照顾；照料【词性转换】 care v. 关心；照料e.g. The baby needs a lot of care. 这婴儿需要精心照料。I don '

5、 t care much about going to the party我不太想去参力口晚会。批注：这个单词在预初上册 Unit2 就已经学过，此时，可以采取让孩子讲解，care about 关心 在意with great care 细心地对 小心 be careful withv. care for 照顾 喜欢n. take care of 照顾adj. careful- 副词carefullycareless 名词carelessness12. take care of 照看；照料；照顾【近义词】 look after 照看；照顾e.g. Take care of your younge

6、r brother while I am away. 当我不在的时候， 你要照 顾好弟弟。13. special adj. 特殊的；特别的【词性转换】 specialist n. 专家e.g. It is a very special place. 这是一个非常特别的地方。14. blind adj. 瞎的；失明的e.g. He is blind in one eye. 他的一只眼睛瞎了。批注： deaf adj. 聋的15. safely adv. 安全地【词性转换】 save v. 拯救safe adj. 安全的safety n.安全16. police n.警方【词性转换】policem

7、an n.警方【提示】police 作警察；警务人员”解释时，是集合名词，是复数概念。因 此，谓语动词的使用要特别注意。e.g. There were over 200 police on duty.有 200 多名警察在执勤。17. thief n.窃贼；小偷【知识扩展】thieves thief的复数theft n.盗窃案e.g. The police worked out a plan to catch the thief.警察定下了 捉贼的计划。批注：以-f或-fe吉尾的名词变复数：1）变-f, -fe 为-ves: half ,knife, leaf, self, thief, wi

8、fe, life, loaf, shelf, wolf 等。2）直接加-s: belief, gulf, reef, dwarf, chief, proof, cliff 等18. hunt v.猎取；【词性转换】hunter n.猎人e.g. Young lions have to learn to hunt. 幼狮得学会捕食。二、必会语法I .祈使句一、基本概念祈使句通常用来表示命令、请求、禁止、建议、警告等语气。它的主语you（听 话人）通常省略；谓语动词一律用原形；句末用惊叹号或句号；用降调来读。祈使无主语，you常被省去；动原当谓语，否定加 don '朗读用降调，惊叹和句号。

9、、基本分类三、用法详解1、大哥V且看祈使六兄弟 1)类型Do型2)档案V(代表行为动词原形)+宾语+其它成分3)表演Close the window上窗户。便吃点鱼吧O ofish.随2、二哥 B1)类型Be型2)档案Be+表语(名词/形容词等)+其它成分3)表演Be a good student个好学生!3、三哥L1)类型Let型2)档案Let+宾语+动词原形+其它成分Be quiet!安静!OLet her in.让她进来。3)表演Let' s go hd所做回家吧!Let型的否定式有两种:Don't + let +宾语+动词原形+其它成分Let +宾语+ not +动词原

10、形+其它成分4、四哥P1)类型客气委婉please型2)档案Please钊词短语(please也可放在句尾,3)表演Please sit down尸Sit down, please#坐。5、五弟D1)类型Don' ffl2)档案Don '动词原形+其它成分3)表演Don' t be la诙要迟到。 看书。6、六弟N1)2)类型No型档案No+名词或动名词3)表演No photos!禁止拍照!No smoking!严禁吸烟!No passing! 禁止通行!No litter!不准乱扔杂物!练习:1. Boys and girls,up your hands if you

11、 want to take part in the summercamp.A. puttingB. to putC. putD. putted2.exercise every day, my child. It's good for your health.Father sai(A. TakingB. To takeC. TakeD. Takes3.this kind of peach, and you will like it.A. To tryB. TryingC. TryD. Tried4. Her doctor said,“ work so hard.5.6.7.A. Stop

12、B. Don ' tC. Can ' tD. Nohim the secret, will you?A. Don t tell B. Not to tellto be here at 8 oA. Is sureA. Let8.；SandyB. Is sure thatdraw a monkey.B. Letspaking here, sir!C. Not tellingD. No tellingC. Will be sureD. Be sureC. Let'sD. letsA. DoB. Don ' tC. NoD. NotKeys: CCCBADCC7、1.

13、more , and you ll improve your spoken English.A. Speak B. Speaks2. Hurry up,you canA. andB.soC. SpeakingD. To speak't finish the work on time.C. butD. orKeys: AD2）三哥let型的反义疑问句rLet's包括听t者，Let us不包括听话者。用于反意疑问句时最明显。Let's go to see the film, shall we?咱们去看电影，好吗？（ 表征求意见或提建议 ）k）练习：1. Let' s

14、search the Internet for some information about famous people,?A. will youB. won ' t youC. shall we2. Please let us remove the bookshelf for you,?A. will youB. won t youC. shall weKeys: CA特殊疑问句I .构成：疑问词+一般疑问句II.疑问词：what （什么），when （何时），who （谁）,where （哪里），how long （多久，多长时间），whose （谁的），why （为何），how

15、far （多远）,which （哪个），how （怎样）,how often （多久一次），how soon （多快,多久以后），how many （问数量-可数名词）ow much （问价钱；问数量-不可数名词），how old （问年龄）等。III .解题步骤:根据划线部分确定疑将句子变作一般疑问去划线部分加问号例如：对划线部分提问1. They are looking for bag.对画线部分提问）-What are you looking for?2. There are twelve students蚪上）-How many students are thereV 疑问词的选择：1

16、 .对指物名词或谓语动词提出疑问，疑问词用 what;关于what的其他疑 问词： what color：例如： What is that?What are you doing?What color is the shirt?2 对修饰名词的定语提出疑问， 疑问词应用 which ， 而且通常和名词连用。例如：Which book is yours?3 .对指人名词或代词提问用 who,作宾语时提问用whom。例如：Who is that boy?Whom / Who did you give that book to?4对物主代词和名词所有格提问用whose。例如： Whose comput

17、er is that?5 .对具体时间提出疑问，如 in the morning, last Sunday等，疑问词用 when；例如： When did you finished your homework?对具体几点钟提问，疑问词应用 what time。例如： What time do you usually get up?6对具体地点提出疑问，疑问词应用where。例如： Where do you come from?7 .对表原因的从句提问，常见的有because导的从句，疑问词应用why。例如：Why are you late for school?8 .对方式或程度等提出疑问，用

18、疑问词How。例如：How do you like China?9 .对数量提出疑问，疑问词为 How many,要注意how many必须跟名词的 复数形式。例如： How many birds are there in the tree?10 .对价格提出疑问，疑问词用 How much。例如：How much is that pen?11 .对时间、长度提出疑问，疑问词应用How long。例如： How long is that ruler?How long have you stay in Shanghai?12 .对时间频率，如 once a year, twice a wee由提问，疑问词用 How often （难点）。例如： How often do you go to school?对具体次数，如 once, twice, three times等提问，疑问词用 How many times。比较：对划线部分提问：1. I usually go to visit my grandpa three times a month.2. I usually go to visit my grandpa three times a month.Keys: 1. How often do you usuall