·單詞

detective n.????偵探

????·detect v.????探測

airport n.????機(jī)場

????·at the airport????在機(jī)場（指候機(jī)大廳）

????·on the airfield????在機(jī)場（指飛機(jī)起降的場地，地面上）

expect v.????期待，等待（預(yù)期）

valuable adj.????貴重的（物質(zhì)，金錢 方面的價值）

????·value n.????價值

????·precious adj.????珍貴的（精神方面的價值）

parcel n.????包裹

diamond n.????鉆石

steal v.????偷

????·steal????stole????stolen

main adj.????主要的

????·the main building????主樓

????·the main mirror????主鏡（望遠(yuǎn)鏡的主鏡）

????·main streets/side streets????主街/小街

????·mian idea????主要內(nèi)容

airfield n.????飛機(jī)起落的場地

guard n.????警戒（不指動作），守衛(wèi)

????·a sentry on guard????一個警戒的哨兵

? ? ·keep guard????警戒（指動作）

precious adj.????珍貴的

stone n.????石子

sand n.????沙子

·本課句型

過去進(jìn)行時（常搭配when/while/as）

????·形式：was/were doing

????·用法：過去 正在進(jìn)行的/持續(xù)進(jìn)行的 事

????????·She was reading a book at 11:00 last night.

????·否定疑問：

????? ? ·She was not reding a book.

????? ? ·Was she reading a book?

過去將來時

????·形式：would do

????????????????was/were going to do

????·用法：過去的將來

????????·He said that he would travel abroad next year.????他過去說他明年將要出國旅行

????????·He was going to travel abroad next year.

????·否定疑問：

????????·She?was not reding?a book.

????? ??·Was?she?reading?a?book?

陳述句變賓語從句（that引導(dǎo)）

????·第一句：You are very handsome.（從句，taht引導(dǎo)）

? ? ·第二句：I think ... （我認(rèn)為 一件事，這個是主句）

????·結(jié)合：I think that?you are very handsome.????我認(rèn)為你很帥

????·因?yàn)榈诙涫侵髦^賓，缺賓語，所以后面填上的陳述句來做從句叫賓語從句

·課文

????The plane was late and detectives were waiting at the?airport all morning. They were expecting a valuable parcel of diamond fromSouth Africa. A few hours earlier, someone had told the police that thieves would try to steal the diamonds. When the plane arrived, some of the detectives were waiting inside the main building while others were waiting on the airfield. Two men took the parcel off the plane and carried it into the Customs House. While two detectives were keeping guard at the door, two others opened? the parcel. To their surprise, the precious parcel was full of stones and sand!

at the?airport????airport是元音開頭，the可以念“di”（可粘貼到詞典上進(jìn)行發(fā)音學(xué)習(xí)）

a parcel of????一包 ... 東西

try to do sth.????努力，盡力做某事

tell sb. sth. 雙賓語結(jié)構(gòu)

Customs House????海關(guān)

·知識拓展

when/while/as?的區(qū)別

????·while/as 通常只能用在進(jìn)行時態(tài)，接延續(xù)性動詞

????·when 進(jìn)行時和過去時都可以使用，沒有限制

????·I?was having?breakfast?when?the telephone?rang.????只能使用when，因?yàn)閞ang是過去式

? ? ·When/While/As?I?was?having?breakfast,?the telephone?rang.????when/while/as 都可以使用，因?yàn)楹竺娲钆涞氖沁^去進(jìn)行時態(tài)。

不規(guī)則變化動詞：

原型? ? 過去式? ? 過去分詞? ? 動詞ing

·try????tried????tried????trying

·steal????stole????stolen

·take????took????taken????taking

·keep????kept????kept