🎯 学习目标 学完本单元，我能做到
- 1use words and expressions about changes掌握关于变化的词汇和表达
- 2talk about life in the past and now谈论过去和现在的生活
- 3talk about changes in China.谈论中国的变化
💬 核心句型 本单元必须会说会用
But now it takes only a little over four hours.
We left Beijing in the morning and got to Xi'an in time for lunch.
What did Yang Shanzhou do for the Daliang Mountains?
I want to be like him and ____.
📐 语法要点 理解规则，举一反三
1
过去与现在对比
Then... / Now... 对比过去和现在。
Then we walked. Now we take the subway.
2
一般现在时
描述现在的习惯用一般现在时。
Now I live in a big city.
3
时间对比
Then... / Now... 对比不同时代。
Then there was no high-speed train.