Section A
Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.
听力原文:M: I'd like to speak to Mr. Jones, please.
W: Sorry, sir. But Mr. Jones isn't here any more. Mr. Williams is in charge now.
Q: What can we infer from the conversation?
(12)
A.The man doesn't want to see Mr.Williams.
B.Mr. Jones is in an inferior position to Mr. Williams.
C.Mr. Jones used to be in charge.
D.Mr. Williams doesn't want to see the man.
第8题
均匀传输线单位长度分布参数为L1、R1、C1、G1,其特性阻抗为______。
第9题
一双导线传输线的分布参数为L0、R0、C0、G0,则其传播常数γ为______。
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