Unit 1 Topic 3 The world has changed for the betterSection A 学习目标：• 1. 学习含有 for 和 since 的现在完成时。• 2. 学习派生词的构成。• 3. 学会关注和描述社会发展变化 自学指导一1. 听 1a 录音 , 回答下列问题并核对答案。 (4 分钟 ) (1)Does Bob like living in New York? (2)Were the streets in New York dirty in the past? (3)Can Bob go to plays, concerts and operas every day in New York?Yes,he does.Yes,they were.Yes,he can. 3. 根据 1a 中的内容，写一篇短文来比较，纽约过去和现在街道、交通、饭店和居住等方面的不同点，然后展示给全班同学。 (6 分钟 ) 1b.Work aloneChanges New York has changed a lot. New York was dangerous in the past and the traffic was terrible ， but it is quite safe now. The streets were dirty in the past. They’re very clean now. It is a wonderful place to live ， and the restaurants are excellent nowadays. It’s a beautiful city. 4. 用 since 和 for 填空。分组讨论 since 和 for 的用法及区别。 (3 分钟 ) for + 时间段 since + 时间点5. 掌握重点句型及短语，并阅读课本 107 页注释。 (3 分钟 ) 1.You have been in New York for a long time. (since a long time ago ) 你已经在纽约好久了 2.The city has improved a lot since I came here a few years ago. (for a few years /since a few years ago. ）自从几年前我来到这儿，城市已经改善了很多。 3.How do you like living there? = What do you think of living there ？你认为住在这儿怎么样？ 4.get / be / become used to sth / doing sth 习惯于做…… Eg: He has gotten used to getting up early. 5.as a matter of fact = in fact 实际上 6.a wonderful place to live 一个极好的居住地 7. come for a visit 来参观 自学指导二（ 5 分钟） •听录音选择正确答案，理解 flood 和 take care of 完成 2. （ 3 分钟）•学生独立完成 3 （ 2 分钟） 一 . 用 for 和 since 填空 :1.I have been in Be...
