1.掌握由that, if, whether引导的名词性从句用法。
2.进一步区别if与whether在引导名词笥从句中的用法。
一、选择填空(每小题1分，共20分)
1. ______ are playing an important part is well known to us all.
A. That who B. Those who C. Who that D. Who
2. You have been walking a long way, so _______ is a good rest.
A. that you really need B. what are you really needed
C. what you really need D. that you are really needing
3. ______ we should finish the work is possible.
A. What B. That C. Because D.×
4.It was quite noisy there and I couldn’t hear .
A. what he sa id B. that he said
C. what did he say D. anything which eh said
5. Can you te ll me ________ the railway station?
A. how I can get to B. how can I get to
C. where I can get to D. where can I get to
