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【单选题】
原材料明细账应采用( )账簿。
A.
两栏式
B.
三栏式
C.
多栏式
D.
数量金额式
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参考答案:
举一反三
【判断题】Forests cover more than half of the scenic area and much of the area not covered is above the tree line.
A.
正确
B.
错误
【单选题】土石方工程计量中,土壤、岩石体积均按()计算?
A.
虚方体积
B.
天然密实体积
C.
夯实后体积
D.
松填体积
【判断题】The more forests were publicly held, the more welfare a society got.
A.
正确
B.
错误
【单选题】Forests of pine and fie cover two thirds of this area.
A.
Forests of pine and fir is covered two thirds of this area.
B.
Two thirds of this area are covered by forests of pine and fir.
C.
Two thirds of this area is covered by forests of pine and fir.
D.
This area is covered two thirds of forests of pine and fir.
【单选题】室温下被大气中CO2饱和的纯水,以NaOH标准溶液滴定至化学计量点时,溶液的pH值
A.
>7
B.
=7
C.
< 7
D.
不确定
【单选题】已知 是矩阵A的两个不同的特征值,对应的特征向量依次为 ,则以下结论 不正确 的是( )
A.
线性无关.
B.
线性相关.
C.
且 .
D.
是A的特征向量.
【单选题】More than ______ is to be found in the rain forests.
A.
30% of the world's species
B.
60% of the world's species
C.
60% of the world's plants
【单选题】已知 是矩阵A的两个不同的特征值,对应的特征向量依次为 ,则以下结论 不正确 的是( )
A.
线性无关.
B.
线性相关.
C.
且 .
D.
不是A的特征向量.
【单选题】In many countries more and more forests and even agricultural land are being lost to development, _______ much of the land to become desert.
A.
caused
B.
causing
C.
having caused
D.
to cause
【单选题】我们可以通过给机器人植入()指令来实现服从伦理要求。
A.
服务
B.
利益最大化
C.
目标函数
D.
理性人
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