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【单选题】
以下关于ICMP差错报文特点的描述中,错误的是_________。A.
享受特别优先权和可靠性
B.
数据包含故障IP数据报数据区的前64比特
C.
伴随抛弃出错IP数据报产生
D.
目的地址通常为抛弃数据报的源地址
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反馈参考答案：
举一反三
【简答题】黏着斑、细胞外基质与细胞黏附的关系。
【单选题】–Do you know Anna’s telephone number? –____. As a matter of fact, I don’t know any Anna, either.
A.
I think so
B.
I’m afraid not
C.
I hope so
D.
I’d rather not
【单选题】—Xiaoqiang, I don’t know the meaning of this word. Could you help me, please? —I’m sorry, but I don’t know, ______. [ ]
A.
too
B.
also
C.
either
D.
as well
【单选题】---I don’t know when tomorrow. ---I will call you as soon as he .
B.
will he come; arrives B. he will come; arrives
C.
he will come; will arrive B. will he come; will come
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