新概念二冊21課精品哦

aeroplane

airplane

plane

helicopter

jetaeroplane=airplane專指普通飛機(jī)，區(qū)別：aeroplane是英語，airplane是美語plane：本義為“平面”，意味著飛機(jī)在浩瀚的空中也能夠平行飛行，比較口語化。航空專業(yè)語常用aeroplanehelicopter直升機(jī)jet噴氣式飛機(jī)Lesson21Madornot?

是不是瘋了？Firstlistenandthenanswerthequestions.Isthewriterslowlygoingmadornot?Wheredoeshelive?Whatcanbeheardnightandday?Havemostofhisneighbourslefttheirhomesornot?Hashebeenofferedmoneytoleaveornot?Whatishedeterminedtodo?Whatdoeseveryonesay?Aretheyprobablyrightorwrong?Newwordsandexpressionsmadadj.發(fā)瘋Heisquitemad.他完全瘋了amadplan冒險的計劃madadj.生氣的，憤怒的Shewasmadwithmeformylosingherkeys.madadj.狂熱的，著迷的Sheismadaboutgoingtodance.Thedifferencebetween

"crazy"and“mad”mad：發(fā)瘋的，瘋狂的。一般說別人有病，帶貶義。crazy：瘋狂的，狂熱的。中性或褒義reasonn.原因thereasonfor+名詞...的原因What'sthereasonforyourabsence？你缺席的理由是什么？thereasontodo有理由去做什么Isthereanyreasontogothere？有理由去那嗎？sumn.量

alargesumof:大量的，常跟錢連用

alargesumofmoney一大筆錢

decide和determine相同點(diǎn)：兩者都有“決定”的意思不同點(diǎn)：decide:指經(jīng)過詢問、研討后在幾種可能的選擇中做出決定。即不再遲疑不決。HedecidedtoleavehereonSundayinsteadofMonday.他決定周日而不是周一離開determinetodo下定決心做某事（不動搖）Ideterminedtostayhere.(本文）keysentences重點(diǎn)句型1.Aeroplanesareslowlydrivingmemad.drivesb.mad使某人發(fā)狂，發(fā)瘋Thenoisyneighboralmostdrivesmemad.2.Ilivenearanairportandpassingplanescanbeheardnightandday.句中passing是現(xiàn)在分詞，用來修飾名詞planes,起形容詞作用。pass:1.及格Ididn'tpasstheexam.

2.傳遞Passmethebook,please.

3.經(jīng)過，穿過Hepassesmyhouseonthewaytoschool.

nightandday日日夜夜，夜以繼日sleepingbaby正在睡覺的小孩

waitingcar正在等待的車3.Theairportwasbuiltyearsago,butforsomereasonitcouldnotbeusedthen.1)years前面不加確定的數(shù)詞時，一般表示“許多年”yearsago=manyyearsago，weeks等的用法與它相似Ihavenotseenhimforweeks.2)forsomereason由于某個理由

some+可數(shù)名詞單數(shù)：某一somebook

some+可數(shù)名詞復(fù)數(shù)：一些somebooks

some+不可數(shù)名詞：

一些somewater

I’lltellyousome

day.

We’lltalkaboutitsomeothertime.

我們改日再談這件事。4.Lastyear,however,eintouse=putintouse投入使用Whendidthiswordcomeintocommonuse？gooutofuse停止使用Thephoneboxeswillgooutofnextyear.5.Overahundredpeoplemusthavebeendrivenawayfromtheirhomesbythenoise.

1)over=morethan 2)awayfrom離開 3)Home,family與househome:家,強(qiáng)調(diào)有感情;house僅僅指房子;family:家人

home=family+housemusthavedone對發(fā)生完的事情有把握的判斷musthavebeendone（被動形式）3)sometimes有時候

sometime（過去或?qū)恚┠硶r候

sometime一段時間

sometimes幾次，幾倍（注：這是中國人的用法，地道的說法是：severaltimes）4）knockdown拆散，撞倒

knockat敲

knockout打昏

knockoff下班；從…碰下去；優(yōu)惠，折扣

knockover撞翻，打翻，撞倒

6.Iamoneofthefewpeopleleft.SometimesIthinkthishousewillbeknockeddownby

apassingplane.1).oneof的用法（3點(diǎn)）

+名詞復(fù)數(shù)

+謂語動詞的單數(shù)+形容詞的最高2）left表示被留下來的，leave---left---left

,left作定語后置,常放n.后.

left剩下的……東西，

Ihaveabagleft.

Thereistencentsleftinmypocket.

7.Ihavebeenoffered

alargesumofmoneytogoaway,butIamdeterminedtostayhere.offersbsth

offersthtosbgivesb.sth.givesth.tosb.offersb.alargesumofmoney=offeralargesumofmoneytosb.givesb.alargesumofmoney=givealargesumofmoneytosb.bedeterminedtodosth下定決心要做8.EverybodysaysImustbemadandtheyareprobablyright.1）Everybody不定代詞作主語謂語動詞用單數(shù)2）mustbe表對現(xiàn)在事實的肯定推測

動詞語態(tài)英語動詞有兩種語態(tài)主動語態(tài)：主語是動作的執(zhí)行者被動語態(tài)：主語是動作的承受者M(jìn)anypeople

speakEnglish.(主動語態(tài))Englishisspoken

by

manypeople.(被動語態(tài))被動語態(tài)構(gòu)成

be+動詞的過去分詞以see為例，比較主動語和態(tài)被動語態(tài)的結(jié)構(gòu)形式肯定句，否定句及疑問句如下。CarsaremadeinChangchun.CarsarenotmadeinChangchun.---ArecarsmadeinChangchun?(---Yes,theyare./No,theyaren’t.)Wherearecarsmade?被動語態(tài)使用方法

Whencanweusethepassivevoice?不知道動作的執(zhí)行者是誰，或沒有必要指出動作的執(zhí)行者時。Mybikewasstolenlastnight.

Lettersarecollectedateighteverymorning.2.為了強(qiáng)調(diào)或突出動作的承受者時。ThedeskwasmadebyMasterWang.Thebagwastakenawaybyhissister.主動語態(tài)改為被動語態(tài)的方法將主動語態(tài)的賓語改為被動語態(tài)的主語。將主動語態(tài)的謂語動詞改為“be+過去分詞”結(jié)構(gòu)。將主動語態(tài)的主語改為介詞by之后的賓語，放在謂語動詞之后（有時可省略）。將下列句子改成被動語態(tài)。1.We

useEnglishasaforeignlanguage.→Englishisusedasaforeignlanguage(byus)2.Peoplewrite

businesslettersinEnglish→Businessletters

arewritten(

bypeople)inEnglish.3.TheymaketelephonecallsinEnglish.→Telephonecallsaremade(bythem)inEnglish.4.Travelersandbusiness