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【多选题】
下列哪些方法可用于求解线性代数方程组
A.
三角分解法
B.
欧拉法
C.
库塔法
D.
牛顿法
E.
高斯消去法
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【单选题】第五套人民币2005年版纸币运用了 抄纸技术,由专用抄造设备抄造,在紫外光下无荧光反应。
A.
酸性
B.
中性
C.
碱性
【单选题】It is essential that misunderstanding ______ during business negotiations.
A.
be avoided
B.
is avoided
C.
will be avoided
D.
has to be avoided
【单选题】第五套人民币2005年版纸币运用了抄纸技术
A.
酸性
B.
中性
C.
碱性
【判断题】一般而言,费用(成本)类账户结构与权益类账户结构相同。 ( )
A.
正确
B.
错误
【判断题】生物体内的脂肪酸主要以结合形式存在。
A.
正确
B.
错误
【单选题】During the business day, you will most likely be offered ______.
A.
food
B.
coffee
C.
milk
【判断题】一般而言,费用(成本)类账户结构与权益类账户结构相同。(    )
A.
正确
B.
错误
【单选题】During the valve overlap period, the exhaust pressure of a turbochargers, four-stroke/cycle diesel engine must be less than the intake manifold pressure to ensure __________.
A.
effective cylinder scavenging and cooling
B.
constant pressure from the turbochargers
C.
cooler operation of the exhaust system
D.
effective constant pressure for turbocharger operation
【判断题】It is professional to talk about business collegues during business meal conversation.()
A.
正确
B.
错误
【单选题】During a successful business career, she accumulated a great amount of ________
A.
health
B.
poverty
C.
wealth
D.
prosperity
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