新概念英语第二册第7课 完整（课堂PPT）

1、12detective(job)a private detectiveSherlock Holmesdetective story3detect vt.She detected the odor of gas in the room.We detected the robbers when they entered the bank. 发觉，发现4airport port at the airport field airfield on the airfield 港口田野停机坪5airport飞机场the main building 航站楼，候机楼airfield 停机坪,飞机起落的场地the

2、 Customs House 海关A place for passengersA place for planesA place for luggage67expect 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 yo

3、u to write back.8 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9valuable 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 / t

4、imeexpensive adj. 价格昂贵的强调的是事物本身的价值高强调的是事物本身的价值高不一定贵不一定贵, ,但是很有精神上的价值，有纪念意义的，但是很有精神上的价值，有纪念意义的，带有感情色彩的带有感情色彩的10-less 表否定：priceless adj. 没有价格的, 无价的无价的 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.worth

5、less adj. 没有价值的Was I really worthless to him?=invaluable1112parcel n. 包裹a parcel of booksThe post office lost my parcel. its awfully annoying.13diamond diamond ring precious stone 宝石crystal 水晶jade 玉,翡翠14钻石婚diamond wedding金婚golden wedding银婚silver wedding纸婚paper wedding15main adj. 主要的main building mai

6、n streetmain sentence main idea main不能与人连用16 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stolestolen17guard n.警戒，守卫keep guardbody guardlife guardguard v. 保卫站岗保镖救生

7、员1819a valuable parcel of diamonds20= a few hours before/a few hours ago21onethe other someothers Some students are very hard-working, others are not.others=other+名词复数22Customs House 海关23keep guard 守卫at the door 在门边(固定搭配)two others = ?two other detectives24To her surprise, her parents were not at ho

8、me.令她惊讶的是，她父母并不在家。be full of 装满，充满2526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。2728when，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

9、性动词/瞬间动词29while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。30when可以引导短暂和延续性的动作，while只跟延续性动作We w

10、ere 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。 31Exercise 1 When the teacher _ (come) in, we _ (talk). came; talking 2 While mother _ (prepare) lunch, Janet _ (set) the table. set the table摆桌子 was preparing；set32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。33 v.+ prep