青少版新概念3AUnit课件4

1、 Unit 4 Lesson 7A Museum Piece Unit 4 Lesson 7 准时美国是克莱尔的祖国。123456 LOGO COMPANY LOGOTYPE INSERT 农贸市场他们要去美国呆两个月。一个漫长的早晨我们要烧壶水，喝杯美味的茶！Dictation 准时美国是克莱尔的祖国。123456 LOGO COMRobert: Whats this, Dad?William: Its an Apple 2. Its a very early computer. In fact (事实上), its the first Personal Computer,ever(曾今).

2、 It came onto the market（面世）in 1977. Where did you find it?Personal Computer = PC 个人电脑the first 第一代come onto the market上市；在市场上出售Robert: Whats this, Dad?WillRobert: Mum found it in a box in the attic.William: Oh, then its mine! Its been there for years. In fact, its been there since we moved into thi

3、s house! find的过去式foundmine = my computerIts been = it has been 现在完成时 have/has + 动词过去分词Robert: Mum found it in a box Robert: Does it still work?William: I dont know Ah, there you are! Can you hear the hard disk?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Robert: Does it still work?WiRobert: Is th

4、at noise （噪音） the hard disk? It sounds like a lawnmower ! William: It is noisy （吵闹的，嘈杂的）! It hasnt been out of its box for twenty years!noise 名词噪音noisy 形容词有噪声的for + 时间段Robert: Is that noise （噪音） theRobert: What can you do with it? William: Good question! Its just a museum piece , really. Its only go

5、t five Megabytes hard disk space.Robert: Five Megabytes! Thats nothing! （太微不足道了）has got 有Robert: What can you do with iWilliam: I know. It was already a museum piece when I bought it, and that was a long time ago. Maybe Im a museum piece now, too!过去式is was buy bought a long time ago 很久以前 （过去时间，用过去时）

6、William: I know. It was alread现在完成时：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have/has + 动词过去分词如： for+ 时间段 since+ 时间点 I have been to America since d 1998. Jack has got the car for d five years. 现在完成时：表示动词发生在过去，持续到现在或对现在产生影响，six month three years Sundayten o clock last weekend a long time1996January for fo

7、rsincesinceSundaya long time1996for forsiGrammar 语法 has/have been + + 已经在(某地)待了多久 / 从.开始一直在(某地)for + 时间段since + 时间点has/have gone to + 地点 + 已经去了(某地)多久 / 从.开始就去了(某地)for + 时间段since + 时间点here / therein + 地点Grammar 语法 has/have been + 人有了知识，就会具备各种分析能力，明辨是非的能力。所以我们要勤恳读书，广泛阅读，古人说“书中自有黄金屋。”通过阅读科技书籍，我们能丰富知识，培养逻辑思维能力；通过阅读文学作品