假设你是李明，你的美国朋友杰克听说你校正在开展研究性学习，来信询问有关情况，请你写一封信，谈一谈开展研究性学习前后，你的学习情况的变化。
3 生词：研究性学习exploring study ，上网surf the internet。
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过去 |
现在 |
| 课堂 |
老师讲解知识点，学生听讲，记笔记。 |
老师提出问题，学生互相讨论或学生自己提出问题自己讨论解决。 |
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完成大量的作业。 |
丰富多彩的课外活动，如读自己感兴趣的书籍，去图书馆或上网查资料。 |
________ he can work abroad next year will depend on his parents' will.
| A．That | B．When |
| C．What | D．Whether |
The new CRH train between Beijing and Shanghai ________ speed can reach about 380km/h will benefit ________ takes it.
| A．whose; whoever | B．which; whichever |
| C．whose; who | D．where; whoever |
The companies are working together to create ________ they hope will be the best means of transport in the 21st century.
| A．which | B．that |
| C．what | D．who |
What some people don't realize is ________ difficult life can be after they get addicted to drugs.
| A．that | B．how |
| C．why | D．what |
Don't put off till tomorrow ________ you should do today!
| A．what | B．when |
| C．that | D．which |