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【简答题】
在子网广播地址中,哪部分地址的位全为 “ 1 ”( ) A 、子网部分 B 、网络部分 C 、掩码部分 D 、主机部分
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反馈参考答案：
举一反三
【单选题】航天器难易程度:一般都在距地面( )千米以上的高空飞行。
A.
90---120千米
B.
100---120千米
C.
80---120千米
D.
110---120千米
【单选题】In this passage the author implies that ______.
A.
women are weaker than men, but faster
B.
women are slower than men, but stronger
C.
men are not always stronger and faster than women
D.
men are faster and stronger than women
【单选题】An increase in a country's net commodity terms of trade will
A.
not always guarantee positive changes in the country's economy.
B.
always increase the country's economic welfare.
C.
always increase the country's real income.
D.
never increase the country's quantity of exports.
E.
always increase the country's production of its import competing good.
【简答题】《过秦论》（上）的中心论点是什么？作者是如何论述这个论点的？
【单选题】Upscale men's and women's clothing stores primarily appeal to consumers' __________ needs.
A.
functional
B.
postpurchase
C.
safety
D.
psychological
E.
situational
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