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1、8A unit 7 Memory 1.meomory n.记忆，记忆力，回忆 Eg.I have a bad memory for names.I have happy memories of our school.Memorize v.记忆，记住 2.corner n.角落 Write“By Airmail”in the top left-hand corner.3.lose v.(lost,lost)丧失，失去 I lost my job when the company moved to another city.动词 lose 还有如下常见含义：a.表示“输掉（比赛、战斗、争论等）”H
2、is favourite football team lost the final.b.表示“遗失，丢失”I lost my keys.c.表示“减少，降低”The girl has lost interest in dolls.4.improve v.改进，改善 He suggested a plan to improve the rate of production in this factory.Their working conditions are improving.5.mention v.提到，说到 Did she mention the time of the meeting?
3、拓展：mention 有如下的常见用法 a.dont mention it（用于礼貌地回复别人的道谢）不客气 -Thank you for all your help.-Dont mention it.b.not to mention（用于强调）更不用说 This is a great habitat for birds,not to mention other wildlife.6.method n.方法，办法 Our teacher is showing us a new method of last reading.近义词 way n.方法，办法 7.spelling n.拼写，拼法 D
4、o you know the spelling of the word“refrigerator”?Spell v.(spelt,spelt 或 spelled,spelled)拼写 How do you spell“potato”?8.mind n.头脑，大脑 All kinds of thoughts are running through my mind.拓展：mind 用作名词时，还可以表示“思想，想法，智力，记忆力”等。常见的含有 mind 的短语有：change ones mind 改变主意，make up ones mind 下定决心，keep something in mind
5、 记住某事，come to mind 突然想起 Mind v.介意 Would you mind closing the door?9.silly adj.可笑的反义词 sensible adj.有理智的，明智的 I will not wear that hat-Id look silly in it.拓展：silly 还可以表示“愚蠢的，傻的”Dont be so silly!Ive made a very silly mistake.10.mile n.英里 11.letter n.字母，信件，信函 A is the first letter in the alphabet.Now peo
6、ple seldom write letters to each other.12.worth adj.值得，有价值 Worth 在句中一般作表语。有时也可用作后置定语，如：a place worth seeing（值得一看的地方）等。当 worth 用作表语时，不能单独使用，其后通常接名词、动词-ing 形式等，但不能接动词不定式，常用的句式有：a.“主语+be+worth+名词 This country is worth a visit.His words are worth notice.b.“主语+be+worth+动词-ing 形式”。此时，句子的主语就是 worth 之后动词-in
7、g 形式的逻辑宾语。This book is worth reading.His isnt worth getting angry with.注意：动词-ing 形式之后的介词不可省去。c.“It（形式主语）+be+worth+动词-ing 形式。It isnt worth repairing the bike.Is it worth visiting the city?一般来说，worth 前面可用 well,really,very much 等词修饰，但一般不用 very 修饰。如：This is really worth trying.This film is well worth wa
8、tching.请比较：(对)This book is worth reading.(对)It is worth reading this book.(对)This book is well worth reading.(错)Reading this book is worth.(错)This book is worth being read.(错)This book is very worth reading.此外，worth 还有如下常见用法：表示“值（多少钱）“的意思。其后主要接数字或类似的词语。如：This wallet is worth 100 yuan.This painting i
9、s worth a fortune.A bird in the hand is worth two in the bush.双鸟在林不如一鸟在手。表示“拥有价值的财产“的意思。He is worth a million dollars.13.unless conj.除非 We dont be able to reach the top of the mountain unless the weather gets better.注意：unless 多用于引导否定意义的条件句 14.trouble n.困难 Mary had trouble solving this difficult math
10、s problem.拓展：trouble 常用于以下结构或句型中：a.have trouble doing sth.表示“做某事有困难”We had no trouble finding his office.b.have trouble with 表示“有问题”He is having trouble with his teeth.The man often has trouble with his wife.c.The trouble is(that)表示“麻烦是；困难在于”The trouble is that we dont know his address.拓展：trouble v.
11、使麻烦；烦恼 What is troubling you?May I trouble you to pass me the salt,please?15.list n.清单 We are making a list of the food for the picnic next week.There were six names on the list.16.step n.步骤 She is not satisfied with her life now and wishes to take steps to improve it.拓展：step 还有如下常见含义：a.表示“步，一步”如：Sh
12、e walked a few steps further.b.表示“阶梯，台阶”These stone steps lead to the beach.How much did it cost?（1）Cost spend take pay 的区别（2）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.The man lost a leg in the war.那个人在战争中失去了一条腿。She missed her child in the street.她在街上把孩子
13、丢了。在很多情况下两者可互相替换。e.g.I have lost my umbrella.我把伞丢了。On my way home,I missed my umbrella.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。e.g.They set out to look for the missing girl at once.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。例如:We shall all miss you when you go away.你不在时我们都会想念你的。Reading 一、词汇讲解 1.A
14、great way to help you remember something is to imagine a picture of it in your mind.帮助你记住东西的好方法是在你的头脑里构图。（1）不定式 to help you remember sth 作 way 的后置定语，修饰 a great way e.g.Do you have anything to eat?不定式在句中作定语，置于被修饰的名词或代词之后。如：Do you have anything to say on the question?Would you please give me some pape
15、r to write on?My wish to visit France has come true at last.（2）help sb with sth 在某方面帮助某人 help oneself（to）请自便 with the help of 在.方面帮助某人 Cant help doing sth 忍不住做某事 e.g.Jim often helps me with maths.（3）imagine 想象 +名词、动名词、从句 e.g.We cant imagine life without any hardships.运用:(1)我有很多工作要做_ (2)-Do you know
16、Neil Armstrong?-Yes.He is the first man_on the moon.A.walk B.walks C.to walk D.walked (3)Its hard to imagine working in a place like that.(英译汉)2.If you make the picture big,strange or silly，you will remember it better.如果你把这幅图画想象地很大、很奇怪，或是很愚蠢，你将会更好地将它记住。（1）if 引导的条件状语从句，条件状语从句中的动词多用一般现在时，主句中的动词多用一般将来时
17、，即主将从现原则 I shall go if she asks me.（2）make+sth+adj 形容词作宾语补足语 make sb do sth.让某人做某事（3）remember to do sth 记得去做某事 remember doing sth 记得做过某事 3.This makes it the longest word in the world.当不定式、动名词、从句等复杂成分用作宾语且其后跟有宾语补足语时，通常会在宾语补足语前使用形式宾语 it，而将真正的宾语移至句末，其基本结构为“动词+it+宾语补足语+不定式(动名词或从句)”。如：I find it difficult
18、 to do the job well.我发现做好这件事不容易。I think it best that you should stay here.我认为你最好住这儿。We think it no use complaining.我们认为抱怨是没有用的。We think it quite important for us to learn a foreign language well.He feels it his duty to help the poor.I find it difficult to learn English well.4.Remember：a picture is w
19、orth a thousand words.记住：一副图画，值 1000 个单词。be worth+Ving 值得.的 e.g.This house is worth a lot of money.The film is worth seeing.这个茶杯值 30 元_ 5.A good method for remembering the spelling of a word is to make a short sentence with each other of the word.（1）a method for+Ving 一个做.的方法（2）不定式作表语表示具体动作或将来动作；To b
20、e kind to the enemy is to be cruel to the people.My chief purpose is to point out the difficulties of the matter.What I would suggest is to put off the meeting.当主语和表语都是不定式时，其含义一是条件，一是结果（例）。当主语是 aim,duty,hope,idea,mista ke,plan,purpose,suggestion 等为中心词的名词词组（例）时，或以 what 引导的名词性分句（例），不定式说明主语的内容。6.For ex
21、ample,to remember the word”smiles”,we can imagine there is a“mile”between the first letter and the last letter.（1）between.and.两者之间。（2）to=in order to 表目的“为了”7.For example,if you want to remember how to spell the word”because”,.疑问词 who,what,which,when,where,whether,how 后可接不定式构成不定式短语，句中作主语、宾语、表语等。When
22、to leave for London has not been decided yet.（不定式在句子中做主语）Mr.Smith didnt know whether to leave or stay there.（不定式在句子中做宾语）I asked Professor Xu how to learn English well.（不定式在句子中做直接宾语）The question was where to get the medicine needed.（不定式在句子中表语）以上例句中疑问词+不定式部分，均可转换为相应的从句形式。如：When we shall leavehow I cou
23、ld learn 经常在这种结构中使用的动词有：consider,decide,discover,explain,find out,forget,hear,know,lea rn,observe,understand,wonder 等。8.You will forget something very quickly unless you understand it well.如果你没有理解的话，你很快就会忘记它。（1）Unless=if.not 引导条件状语从句“如果不；除非”，也要遵循“主将从现”原则 e.g.Unless he studied hard,he will never pass
24、 the exams.除非我叫你，你不要离开这栋房子_（2）forget to do sth 忘记去做某事 forget doing sth 忘记做了某事 e.g.Sorry,I forgot to bring the book.(对不起，我忘了带书了。)I forgot borrowing a book from you.（我忘记曾经向你借过书这件事）（3）Forget quickly understand well 副词修饰动词 9.Its easier to remember these steps if you understand how the water cycle works.
25、动词不定式作主语时常用 it 作形式主语，而往往将动词不定式放在谓语或表语之后。如：Its not easy to learn a foreign language well.(=To learn a foreign language well is not easy.)学好一门外语不容易。在此句型中，如果要说明动词不定式的动作是谁做的，可在不定式前加一个 for 引起的短语，作不定式的逻辑主语。如：Its difficult for us to finish the work.对我们来说，完成这项工作很困难。Its hard for me to answer your question.要我回答你的问题很难。但是，如果表语是 kind,nice,right,wrong,clever,polite 等描述行为者的性格、品质的形容词，则应在不定式前加一个 of 引起的短语。如：Its very kind of you to help me.你能帮我，真好。