新概念英语青少版4A：Unit 5 No wrong numbers 课件（21张PPT）

课件21张PPT。Unit 5 No Wrong NumberListening and Understanding Mr. James Scott has a garage in Silbury and now he has just bought another garage in Pinhurst.
Pinhurst is only five miles from Silbury, but Mr. Scott cannot get a telephone for his new garage, so he has just bought twelve pigeons.Listening and Understanding Yesterday, a pigeon carried the first message from Pinhurst to Silbury. The bird covered the distance in three minutes. Up to now, Mr. Scott has sent a great many requests for spare parts and other urgent messages from our garage to the other.Listening and Understanding In this way, he has begun his own private ‘telephone’ service.Listening and UnderstandingWordsreceive 接收Wordsgarage 汽车修理厂Wordspigeon 鸽子Wordsdistance 距离Wordsa great many of 许多Wordsrequest要求message 信息private 私人的service 服务spare
vt. 节约，吝惜；饶恕；分出，分让
vi. 饶恕，宽恕；节约
adj. 多余的；瘦的；少量的
n. 剩余；备用零件
Pattern Practice现在完成时VS 一般过去时
现在完成时表示发生在过去某个不确定时间并一直持续到现在的动作；一般过去式与表示确定时间的副词连用，表示过去某个确定的时间（何时或多久之前）发生的动作。Pattern Practice现在完成时VS 一般过去时
句型 1 Has the train left ? 句子中没有明确的时间指示词。
Yes, it’s just left. It left a minute ago. 现在完成时与一般过去式分别描述了同一个动作: just+现在完成时表示动作刚刚发生过；一般过去+a minute ago 指出动作发生的准确时间。注意，此处it’s= it has
句型 2 比较现在完成时+ever（表示某个不确定的过去时间，且动作延续到现在）与一般过去时+确切时间
句型 3 He’s gone abroad.表示他去了还没有回来。
句型 4 注意这里不用能一般现在时。
Key Structures一般过去时VS 现在完成时
did… buy/ has never lent/ Have you burnt/ fought / have already left/ did lose/ Did listen/ have just wonReadingHow many open-air public swimming pools are there in London?
Whose house is near one of them？
How long has it been one of their favorite places?
Why don’t they swim there in winter?
What is fun (when it’s not too cold)?
What was the weather like yesterday?Reading7. What couldn’t they but a ticket?
8. Who must be with you?
9. Who can’t see you when it’s raining?
10. Who said triumphantly, ‘You can’t swim in the rain’?比较in the way, on the way, by the way