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【单选题】
OSI 第三层封装期间添加( ) .A.
源MAC地址和目的MAC地址
B.
源应用程序协议和目的应用程序协议
C.
源端口号和目的端口号
D.
源IP地址和目的IP地址
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】城市轨道交通车站日常客流组织主要对进站客流、出站客流和 ()进行组织。
【单选题】—After I graduate, I'll try to get a job, you know, as engineer. —You’re practical. I’m sure you can do a good job.
A.
a
B.
an
C.
the
D.
不填
【单选题】My brother has his own business — that’s also ______ I expect to do after I graduate from Harvard University.
A.
why
B.
when
C.
that
D.
what
【单选题】I will ________ my hometown after I graduate .
A.
go back to
B.
go back
C.
back to
D.
go back for
【单选题】混凝土在荷载长期作用下的变形性能中,线性徐变是指
A.
徐变与荷载持续时间 t 成线性关系
B.
徐变系数与初始应力成线性关系
C.
徐变变形与初始应力成线性关系
D.
瞬时变形和徐变变形之和与初始应力成线性关系
【单选题】听力原文：M: Do you still want to go to graduate school after college? W: I've changed my mind about that. I will work as a civil servant before I go back to school. Q: What does the woman mean? (16)
A.
She wants to change her job.
B.
She's not going to graduate school immediately.
C.
She'll change her school.
D.
She'll switch colleges for graduate work.
【单选题】Boy Scouting is the flagship program for boys ages ____.
A.
11 to 18
B.
7 to 11
C.
13 to 21
D.
Over 13 years old
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