unit7 memory汇总.docx

1、unit7 memory汇总Unit 7 Memory二、知识点讲解1.When we make new memories, we lose old ones.lose：(lost；lost)：“丢失；失去”ones: 代词；是one的复数；泛指前文提到的某些人或物lose与miss的区别这两个动词都可以表示丢失,失去的意思。lose语气较强,一般指失去不易找回。miss有发现失去的意思,指东西找不到,但有找到的希望。e.g.Themanlostaleginthewar.那个人在战争中失去了一条腿。Shemissedherchildinthestreet.她在街上把孩子丢了。 在很多情况下两者

2、可互相替换。e.g.Ihavelostmyumbrella.我把伞丢了。Onmywayhome,Imissedmyumbrella.回家路上，我发觉我的伞不见了。作定语时，lose用过去分词形式,miss用现在分词形式。Theysetouttolookforthemissinggirlatonce.他们立即出发去寻找丢失的女孩。miss可以表示想念的意思,lose则不能。Weshallallmissyouwhenyougoaway.你不在时我们都会想念你的。2. Because they want to help students improve their memory? 区别：becaus

3、e/because of 二者都有“因为”之意，但用法不同： Because+句子，作why开头问句的答语，常用于表示直接原因。 becauseof+短语。试比较： Eg: Becauseheisill，heisabsenttoday Hecantcomebecauseoftheheavyrain improve：“改善；提高”；意为makebetter3. A great way to help you remember something is to imagine a picture of it in your mind. way 相关用法总结1）way to do sth=way of

4、 doing sth “做某事的方式”2）do sth in this/that way“以这种或者那种方式做某事” 3）on the way to “在去什么的路上”（当地点为home, here there时介词to省略） 4）in the way “挡路”/ by the way “顺便说一下”imagine v. “想象”；imagination n. “想象力”；imagine+doing sth；“想象做某事”4. I know you are busy,but it worth the time. be busy with sth/ be busy doing sth; “忙于某

5、事、忙于做某事” be worth doing sth “值得.” Eg: The movie is worth watching.5. If you wish to get a good job, there are many important steps you should take. hope / wish 1) 两个词用作动词，均有“希望”的意思，hope to do/ wish to do两个动词都可接宾语从句。 2) wish后还可用wish sb to do sth 但hope不能用 Eg: Iwishyoutocomeheresoon我希望你尽快来这里。6. Unless

6、you get enough sleep every night, you will not remember things well.连词unless意为“除非/ 如果不”，“除了”，多引导一个否定意义的真实条件句，有时也可引导非真实条件句。 1) enough用作副同，充当形容词或副词修饰语，但必须后置。 Eg: Hewalksslowlyenough.2) enough: 足够的，修饰名词/形容词/副词。enough位置口诀（名前形副后） Eg: Thereareenoughseats forthemall.7. For example you may have trouble reme

7、mbering the lists of steps in the water cycle. have trouble (in) doing sth. “做 有困难”（in 可以省略） get sb.into trouble “使某人陷入麻烦之中” be in trouble “处于困境中”8. Lets take a bus. 1) let用作使役动词，表示“让”，其用法为let sb do sth， 而lets中的s = us 2) 在反意问句中，lets 的反意疑问句，用shallwe。Let us的反意疑问句用will you。 Eg: Letsgoswimmingtogether,s

8、hallwe? Letusgoswimmingtogether,will you? 3) lets的否定式可以是letsnot / dont.Eg: Letsnothurry./Donthurry.9. What does scientist think about words that sound similar.sound “听起来，似乎”，+adj；similar “相似的；相像的”；其名词形式为similarity；常用词组为 be similar to10. If you take a fish out of water, it dies. 1) if 引导的条件状语从句，表示假设，

9、其结果一定会发生，从句和主句时态都用一般现在时。 Eg: If you heat ice, it turns into water. 2) 以下四个词均与“死”有关。 die是终止性动词，意为“死亡”、“断气”，指生命的结束，强调动作。 Eg: Hisgrandmotherdiedtwoyearsago dead意为“死的”、“无生命的”，常与be动词连用，表示死的状态。 Eg: Hehasbeendeadfortwoyears dying是die的现在分词，通常作形容词使用，表示“要死”、“垂危”、“濒临死亡”。 Eg:Heisdying death是die的名词，意为“死”、“死亡”。 E

10、g: ItmakesmeverysadwhenIthinkofmylittledogsdeath.11. Can you give me an example. give sb sth “给某人某物”；也可改成give sth to sb常见的双宾动词有：give, show, send, bring, offer, read, pass, hand, tell, return, write. givesb acall“给打电话” giveback“归还，送回” giveout“分发，散发，用光，耗尽”giveaway“泄密” giveoff“发出（光，烟，气）” giveahand“伸出援手

11、”12. Then it either forgets them or passes them into long -term memory. either or . “或者.或者；不是.就是”（当either or , neither nor ,not only but also 等连接主语时. 谓语动词的人称和数常常与最近作主语的词语保持一致语法：if/unless 引导的条件状语从句If 引导的条件状语句引导条件状语从句最常用的连词是if。 if 引导的条件句有真实条件句和非真实条件句两种（非真实条件句会在以后的虚拟语气中阐述），其引导的真实条件状语从句表示在某种条件下某事很可能发生。1

12、) 如果 if 条件句讲述自然规律，肯定会发生的事情或客观事实，主句和if从句都用一般现在时态。（主现从现）Eg: If you take a fish out of water, it dies.如果把鱼从水中拿出，它会死。2) 在 if 引导的条件状语从句中，谈论将来可能出现的情况时，主句一般将来时态 祈使句 + if从句（一般现在时态） 情态动词（主现从现）If you put a piece of paper into water, it gets wet. 如果你把一张纸放进水中，它会变湿。（主将从现）Ill buy a car if I have enough money. 如果我

13、有足够的钱， 我会买一辆车。（主祈从现）Be careful when you cross the road. 过马路时要小心。 Put up your hand if you have any questions to ask. 如果你们有问题要问的话，请举手。(主情从现) If I get there early, I can see the doctor quickly. 如果我早早地到那里， 我就可以快点看病。【注意】 此处if引导的从句，还可由 when， as soon as(一就), （not）until （直到才），unless(除非)来引导。 Eg: The traffic

14、must stop when the light are red.当红灯亮时，交通必须停止。 I will go home as soon as it stops raining. 雨一停我就回家。 Please dont leave the office until your friend comes back. 请不要离开直到你朋友回来。Unless引导的条件状语从句unless引导的条件状语从句：unless= if not “除非, 如果不” Lets go out for a walk unless you are too tired. = If you are not too ti

15、ed, lets go out for a walk. 我们出去散步吧，除非你太累 You will fail to arrive there in time unless you start earlier. =If you dont start earlier, you will fail to arrive there in time. 如果你不早点动身,你就不能及时赶到那儿。 Unless it rains, the game will be played. = If it doesnt rain, the game will be played. 除非下雨,比赛将照常进行。 My b

16、aby sister never cries unless she is hungry. = My baby sister never cries if she isnt hungry. 我的妹妹不会乱哭，除非她饿了。位置： 由if引导的条件状语从句，可放在主句前面或后面。Eg: If we go to the beach, we need to take sun cream. = We need to take sun cream if we go to the beach. 如果我们去海滩，我们需要带上防晒霜。课堂练习一、用if或unless填空。1. _ he wants to see

17、me, you can tell him to wait,2. _ it snows tomorrow, well have a day or two off.3. We wont go to his party _ he invites us.4. She is sure to pass the examination _ she is ill.5. Ill take that computer _ I have enough money.6. _ my grandma wears glasses, she can see better.7. I wont buy that backpack

18、 _ it costs less than ￥20.8. _ Im tired, Ill have a rest for tea.二、用所给词的正确形式填空。1. If he _(get) a low mark in the test, he _ (study) harder;2. If you _ (swim) every day this summer, you_(be) very healthy.3. If he _ (not hurry),he _ (not see) the beginning of the match.4. You cant go out unless you _

19、(finish) your homework.5. Unless I save my money carefully, I _ (not be) able to buy a football.6. If it _(not rain) tomorrow, we _ (go) to the park.7. If he _ (return) to the school, I _ (let) you know.三、句型转换。1. People grow corn in the north of China. （改为被动句） Corn _ _ in the north of China.2. Jim c

20、ant decide what he should do next. （改为同义句） Jim cant decide _ _ _ next.3. It took him two hours to play with a computer last night. （改为同义句） He _ two hours _ with a computer last night.4. They are happy to see each other. (改为感叹句) _ _ they are to see each other!5. Everyone should give back these books

21、on time.（改为被动句） These books should _ _ back on time.6. He has worked in this school for five years. (就划线部分提问) _ _ has he worked in this school?7. From then on, the fox no longer came to the village. （改为同义句） From then on, the fox didnt come to the village _ _.四、选择题。( )1. If you _ to the party, youll

22、have a great time. A. will go B. went C. go D. going( )2. What will father _ us from Japan? A. take B. bring C. carry D. make ( )3. If you the water, it into gas. A. boil, turns B. boil, will turn C. will boil, turn D. will boil, will turn( )4. I _ her the answer if she _me. A. can tell, will askB.

23、will tell, will ask C. would tell, ask D. will tell, asks( )5. -What are you going to do tomorrow? -Well go to the library tomorrow if it _. A. isnt rain B. rain C. wont rain D. doesnt rain( )6.-Do you know when he will come back tomorrow? -Sorry, I dont know. When he _ back, Ill tell you. A. comes

24、B. will come C. come D. may come ( )7. What will you do if you _ to the old folks home visit? A. go B. went C. going D. will go( )8. Ill give the book to him if he _ here next Sunday. A. will come B. comes C. is coming D. came( )9. There _an English film in our school tomorrow. A. is going to have B

25、. will have C. is going to be D. has( )10. When my mother returned last night, I _a book. A. read B. am reading C. was reading D. am going to read( )11. I won leave here until he back. A. come B. comes C. will come D. came( )12. Ill wake you up when he _back. A. will B. is going to come C. comes D.

26、come( )13. She will come to help us if she too busy tomorrow. A. is B. isnt C. will be D. wont be ( )14. If I find his phone number, I you. A. tell B. told C. will tell D. have told( )15. you dont go to bed earlier, you will feel tired tomorrow.A.Unless B. If C. Though D. Until课后练习一、选择题。( )1.-Its ra

27、ining, Daisy. Please an umbrella with you. -Thanks. Ill return it to you when I next week. A. take; come B. take; will come C. bring; come D. bring; will come( )2. Ill go for a walk with you if it _ tomorrow. A. wont rain B. doesnt rain C. will rain D. not rains( )3. She _ as an animal trainer since

28、 2003. A. has worked B. works C. will work D. have worked( )4. They _her to the party, so she was very happy. A. invite B. invited C. will invite D. are inviting( )5. Mr. Green _to the manager now. Youd better call him later. A. talk B. talked C. is talking D. was talking( )6. If you_ carefully, you

29、 _ the report well. A. will listen ; will be understood B. will listen ; understand C. listen; will understand D. listen ; understand( )7.-May we leave the classroom now? -No, you . You _ to leave until the bell rings. A. mustnt; are allowed B. dont have to; are supposed C. neednt; arent allowed D. cant; arent supposed( )8. Well go