A.SYN=1,序号=X+1B.SYN=1,序号=X+1,ACKX=1C.SYN=1,序号=Y,ACKY+1=1D.SYN=1,序号=Y,ACKY+1=1(
A. SYN=1,序号=X+1
B. SYN=1,序号=X+1,ACKX=1
C. SYN=1,序号=Y,ACKY+1=1
D. SYN=1,序号=Y,ACKY+1=1(注:ACK的下标为其后的序号)
第二节
听下面5段对话或独白。每段对话或独白后有几道小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听每段对话或独白前,你将有5秒钟的时间阅读各个小题;听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。
听力原文:M: Hello !
W: Hello! Did yon enjoy the concert?
M: Yes, I did.
W: Are you doing anything next Saturday? I am planning to go to a jazz concert at Brighten, would you like to come?
M: I don't know yet.
W: Well, I'll give you a ring later in the week.
M: OK. Have you got lily number?
W: No, I haven't.
M: It is 9979527, but I am in college all day.
W: Oh, well. When shall I ring?
M: Any evening, after six.
W: Well, I must go. See you next weekend, I hope.
What kind of concert will the woman go to next Saturday?
A jazz concert.
B. A light music concert.
C. A classical music concert.