新概念英语第二册第7课完整ppt课件.ppt

Lesson 7 Too late,detective(job)a private detectiveSherlock Holmesdetective story,detect vt.She detected the odor of gas in the room.We detected the robbers when they entered the bank.,发觉，发现,airport port at the airport field airfield on the airfield,港口,田野,停机坪,airport飞机场the main building 航站楼，候机楼airfield 停机坪,飞机起落的场地the Customs House 海关,expect vt.&vi. 预计，预料Jim has passed mathematics as his teacher expected.I didnt expect to find you here.I expect a storm. vt. 等待，期待，盼望（心理上的等待）They are expecting guests tonight. He expected her to go with him.I expect you to write back., vt. 认为，猜想（一般用于口语）I expect so./I think so. 我希望如此I expect youve heard the news.,Mary is expecting again.We all know shes expecting a baby, vt.&vi. 怀孕,valuable adj.有价值的 He bought me a valuable diamond ring as a birthday present.n.&v. 价值 precious adj. 珍贵的precious photo/ gift / timeexpensive adj. 价格昂贵的,强调的是事物本身的价值高,不一定贵,但是很有精神上的价值，有纪念意义的，带有感情色彩的,-less 表否定：priceless adj. 没有价格的, 无价的 Things such as love, family, genuine companionship, dignity, honor, and life are priceless.valueless adj. 没有价值, 不足道的It is a valueless book for me.worthless adj. 没有价值的Was I really worthless to him?,=invaluable,precious, valuable, invaluable, valueless priceless, worthless,珍贵的,有价值的,无价之宝,毫无价值的,arcel n. 包裹a parcel of booksThe post office lost my parcel. its awfully annoying.,diamond diamond ring precious stone 宝石crystal 水晶jade 玉,翡翠,钻石婚diamond wedding金婚golden wedding银婚silver wedding纸婚paper wedding,1 anniversary,25 anniversary,50 anniversary,60 anniversary,main adj. 主要的main building main streetmain sentence main idea main不能与人连用,steal sth. steal sth. from sb.,steal,偷钻石steal the diamonds,小偷们将试图偷走钻石That thieves would try to steal the diamonds.He has stolen away Marys heart. He stole into the room. vi. 偷偷地行动，悄悄靠近,stole,stolen,guard n.警戒，守卫keep guardbody guardlife guardguard v. 保卫,站岗,保镖,救生员,The plane was late and detectives were waiting at the airport all morning.一对夫妻在火车站等待了近一个小时。A couple was waiting at the railway station for nearly an hour.,They were expecting a valuable parcel of diamonds from South Africa.a valuable parcel of diamonds,South Africa南非（国家）；Africa非洲（七大洲之一）,A few hours earlier, someone had told the police that thieves would try to steal the diamonds. = a few hours before/a few hours ago24 hours earlier, the girl had told the boy that she would go back home.,thief小偷；thieves复数形式steal偷 被动形式,When the plane arrived, some of the detectives were waiting inside the main building while others were waiting on the airfield. onethe other someothers Some students are very hard-working, others are not.others=other+名词复数,Two men took the parcel off the plane and carried it into the Customs House.,take off常用的三个意思：1）（上文）拿出来2）He took off his clothes脱掉3）The plane took off at 8:30 a.m.起飞,Customs House 海关,While two detectives were keeping guard at the door, two others opened the parcel.keep guard 守卫at the door 在门边(固定搭配)two others = ?two other detectives,To their surprise, the precious parcel was full of stones and sand!,常用To ones surprise作为句子开头,让某人惊讶的是,To her surprise, her parents were not at home.,令她惊讶的是，她父母并不在家。,be full of 装满，充满,太傻太迟太后押韵版 作者：白云飞机延误，空等候。等候宝石，非洲货。预告此货，需保护。候机楼，停机坪，皆守候。保镖一路，至海关。看门，开包，无遗漏。暮然回首，钻石已成大兴货。,钻石太迟变沙石优美版 作者：黑土机场候机等钻石，有人报警宝会失。主楼机场均严守，护宝翼进海关室。名探把门开包裹，惊见钻石变沙石！,过去进行时,过去进行时主要表示过去某个时刻或某段时间正在进行的动作。过去进行时和一般过去时经常同在一个句子里使用。过去进行时表示过去正在进行的动作或情况，一般过去时则表示比较短暂的动作或事件。正在进行中的动作或情况往往由连词 when, while, as等引导。 While/ When/ As I was sweeping the floor, I found your pen.我扫地的时候，发现了你的钢笔。,构成形式：肯定式I was working.We (You, They)用were：We were working.否定式I was not working.We (You, They)用were：We were not working.疑问式Was I working?We (You, They)用were：Were we working?,when，while 当时候（强调动作同时发生）while+从句, 动词一定是延续性动词when+延续性动词/瞬间动词,while通常只引导持续时间较长的动作，并且主句和从句可以同时用过去进行时，而when一般不这么用：John was watching TV while his wife was talking with a neighbour over the phone. 当他的妻子和一位邻居在电话中聊天时，约翰一直在看电视。Some students were dancing and singing while others were eating and drinking.有些学生在唱歌跳舞，而另一些则在吃喝。,when可以引导短暂和延续性的动作，while只跟延续性动作We were having supper when the lights went out.我们正在吃晚饭时灯灭了。I met him when while I was taking a walk in the park. 我在公园散步时遇到了他。,Exercise,1 When the teacher _ (come) in, we _ (talk).came; talking2 While mother _ (prepare) lunch, Janet _ (set) the table.set the table摆桌子 was preparing；set,短语动词中的小品词,许多动词加上介词或副词后就会改变词义，这些介词和副词通常被称为小品词。它们没有词形的变化。有些小品词既可以作介词又可以作副词。介词的位置相对固定，不能变动。, v.+ prep./adv.+宾语(n.)She is walking up the hill. v.+宾语(n./pron.)+adv.take off the coat =take the coat off =take it offput on your shoes =put your shoes on =put them on,