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【简答题】
一个B类网络的子网掩码为255.255.192.0，则这个网络被划分成了个子网。
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反馈参考答案：
举一反三
【单选题】PHLEGMATIC: PERTURB ：：
A.
ineffable：ignore
B.
greedy：goad
C.
invincible：subdue
D.
peaceful：mollify
E.
bewildered：illuminate
【单选题】The most important benefit from the property boom is
A.
the criticism from the local press about the affordability of housing in Hong Kong
B.
the increased price of the luxury flats．
C.
the more secure way of controlling the sale of the flat．
D.
the rise in the percentage of mainland borrowers in Hong Kong over the past three years．
【单选题】Why does the groundwater from the north finds its way into the canyon, but the water from the south doesn't?
A.
Because there are fractures in the rocks in the south.
B.
Because the southwest part of the underlying rock beds are a bit lower than those in the opposite direction.
C.
Because the pressure of the upper streams forces the water to flow in from the north and flow away from the south.
D.
The reason is not mentioned in the passage.
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