6．Why does the man ask the woman for her notes?

       A．His notes are poor.

       B．He has missed some classes.

       C．His notes are missing.

5．What are the speakers talking about?

       A．Life in Southeast Asia.                                         B．Weather conditions.  C．A holiday tour.

4．Where did Paul plan to go on his way home?

       A．To the shop.               B．To the bank.               C．To the office.

3．What does the woman mean?

       A．She attended the lecture on Friday morning.

       B．She got mixed up with the dates.

       C．The man needn’t have reminded her.

2．Where does the conversation most probably take place?

       A．At a service center.  B．At a gas station.         C．On an island.

1．Who is coming for coffee?

       A．Mark.                          B．John.                           C．Tracy.

A．￡19.15.                      B．￡9.15.                         C．￡9.18.

答案是B。

14．如图所示，由红、紫两种单色光组成的光束a，以入射角i从平行玻璃板上表面o点入射．已知平行玻璃板厚度为d，红光和紫光的折射率分别为n₁和n₂，真空中的光速为c．试求：

（1）红光在玻璃中传播的速度；

（2）红光和紫光在下表面出射点之间的距离．

江苏省南通市2008届高三第一次调研测试