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【单选题】
金属能导电的原因是 [     ]
A.
金属晶体中的金属阳离子与自由电子间的作用较弱
B.
金属晶体中的自由电子在外加电场作用下可发生定向移动
C.
金属晶体中的金属阳离子在外加电场作用下可发生定向移动
D.
金属晶体在外电场作用下可失去电子
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【单选题】城头山是中国第一座古城,始建于 年前。
A.
五千
B.
六千
C.
七千
D.
八千
【单选题】We had to wait a long time to get our passports, __________?
A.
won't we
B.
don't we
C.
didn't we
D.
shouldn't you
【单选题】在一组等精度观测中,当被观测量的真值无法得知时,( )就是被观测量真值的最可靠值。
A.
真值
B.
绝对值
C.
算术平均值
D.
最小值
【简答题】如何理解财务报表分析的概念?
【单选题】当土的渗透系数很小时基坑降水宜采用( )
A.
轻型井点
B.
喷射井点
C.
电渗井点
D.
管井井点
【单选题】The reason that scientists cannot cure a common cold is_____.
A.
we don't know how we get cold
B.
we aren't sure the exact kind of cold viruses
C.
we don't know when we will catch cold
D.
we aren't sure the exact scientific method
【简答题】A.We don't know the long-term effects of it. B.We don't have the technology to get rid of it. C.It is a cause rather than a symptom. D.We have to accept the reality and try to change society.
【单选题】They don't think we can get first place in the speech contest, ________ ?
A.
do they
B.
don't they
C.
can we
D.
can't we
【单选题】If we don't hurry up, everything ________ by the time we get to the party.
A.
will be eaten
B.
is eaten
C.
has been eaten
D.
will have been eaten
【简答题】财务报表分析经历了怎样的演进过程,发展趋势如何? 2、如何理解财务报表分析的概念? 3、财务报表分析的主体通常有哪些?各自有什么目的? 4、主要的财务报表分析方法有哪些? 5、如何理解项目质量分析法的分析框架与路径?
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