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【多选题】
路由器在转发数据时(没有进行地址转换的情况下),下列哪四项在转发中没有被改变A.
源网络地址
B.
目的网络地址
C.
源MAC地址
D.
目的MAC地址
E.
源端口号
F.
目的端口号
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反馈参考答案：
举一反三
【单选题】He has never really ______ the shock of his son's death.
A.
got down
B.
got over
C.
got off
D.
got on
【单选题】Each semester, Andrew Tom receives a term bill outlining his expenses: tuition, dorm fee, student center fee, recreation fee, resident activity fee, health insurance. If only the rest of his expenses ...
A.
there are many other unexpected expenses
B.
it is easy to calculate how much more to spend
C.
the tuition is too high to be calculated
D.
he has to pay only a few other expenses
【单选题】Tom failed the exam but his sister ______.
A.
got in
B.
got over
C.
got out
D.
got through
【单选题】Snape got to his feet and strode to the small window, ____ through the curtains at the deserted street, then closed them again with a jerk.
A.
peered
B.
saw
C.
scanned
D.
examined
【单选题】Each semester, Andrew Tom receives a term bill outlining his expenses: tuition, dorm fee, student center fee, recreation fee, resident activity fee, health insurance. If only the rest of his expenses ...
A.
there are many other unexpected expenses
B.
it is easy to calculate how much more to spend
C.
the tuition is too high to be calculated
D.
be has to pay only a few other expenses
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