青少版新概念3A-unit-4.pptVIP

Phrases: New words and expressions attic n. 阁楼 since n. 自从…以来 hard disk n. 硬盘 lawnmower n. 割草机 Megabyte n. 兆字节 nothing n. 没有东西，没有事情 jet n. 喷气式飞机 circus n. 马戏团 several 几个 zoo n. 动物园 for ages adv. 长时间 funfair n. 露天游乐场 What are Robert and William talking about? When did it come onto the market? Where did Mum find it? How long has it been there? Does it still work? What does the noise sound like? What can they do with it? How long hasn’t it been out of its box? Who is a museum piece, too? Robert: Mum found it in a box in the attic(阁楼).William: Oh, then it’s mine! It’s been there for years.  In fact, it’s been there since we moved into this house! find - found 发现 Mine = my thing It’s been = it has been 现在完成时 have/has +动词过去分词 现在完成时： Have/has + 动词过去分词 表示动词发生在过去，持续到现在或对现在产生影响，后接表示延续性的时间状语。 如： for+ 时间段 since+ 时间点 I have been to America since d 1998. I have got the car for d five years. six month three years Sunday ten o’ clock last weekend a long time 1996 January for for since since Robert: Does it still（仍然） work?William: I don’t know…… Ah, there you are! Can you hear the hard disk（硬盘）? Can 是情态动词，表示能够，有能力做某事。 Can + 动词的原形，变一般疑问句时将Can提前至句首。 情态动词+动词原形 can, must, may 等都是情态动词，不能独立做谓语，需和实义动词连用。变一般疑问句时将情态动词直接提前至句首。 I can open the box. (变一般疑问句) Can you open the box? Robert: Is that noise （噪音） the hard disk? It sounds like a lawnmower (割草机)! William: It is noisy （吵闹的，嘈杂的）! It hasn’t been out of its box for twenty years! sound like 听起来像 noise 名词 噪音 noisy 形容词 有噪声的 for + 时间段 Robert: What can you do with it? William: Good question! It’s just a museum piece （古董）, really. It’s only got five Megabytes’ （兆） hard disk space (空间).Robert: Five Megabytes!  That’s nothing! （太微不足道了） It’s got= it has got (has got 有) William: I know.  It was already a museum piece when I bought it, an