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【单选题】
赊销业务一般会涉及的科目有( )。
A.
生产成本
B.
制造费用
C.
管理费用
D.
应收账款
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参考答案：
举一反三
【判断题】大堂的设计水准高低往往代表 酒店 形象的好坏
A.
正确
B.
错误
查看完整题目与答案
【单选题】函数 f(t) = ∫ -∞→t-2 δ(x)dx 的单边 拉普拉斯变换F(s) 等于()。
A.
1
B.
1/s
C.
e^(-2s)
D.
e^(-2s)/s
查看完整题目与答案
【单选题】Which of the following statements is correct regarding an oil with a high viscosity index?
A.
A large change of viscosity occurs with a minor change in temperature
B.
No change in viscosity occurs with any change in temperature
C.
Very little change in viscosity occurs with a significant change in temperature
D.
The viscosity of the oil increases with an increase in temperature
查看完整题目与答案
【单选题】The absolute viscosity μ of a fluid is primarily a function of
A.
density
B.
temperature
C.
pressure
D.
velocity
E.
surface tension
查看完整题目与答案
【单选题】Holland is famous for its ______ products such as milk powder.
A.
machinery
B.
food
C.
dairy
D.
agriculture
查看完整题目与答案
【简答题】Holland is famous for windmills. Some of them were ____ in the 18th century. They are used to _________ wind power. Holland is also famous for cheese, __________________ and __________. The __________...
查看完整题目与答案
【单选题】单边拉普拉斯变换F(s)=2s+1 的原函数等于
A.
2δ(t)+δ'(t)
B.
δ(t)+2δ'(t)
C.
δ(t)+δ'(t)
D.
2ε(t)+δ(t)
查看完整题目与答案
【单选题】函数f(t)=tdcostε(t)/dt的单边拉普拉斯变换F(s)等于( ) .
A.
s2+s/(s2+1)
B.
s2/(s2+1)
C.
-2s/(s2+1)2
D.
2s/(s2+1)2
E.
s2-1/(s2+1)2
查看完整题目与答案
【多选题】属于香港的国际知名酒店管理集团有哪些?( )
A.
香格里拉
B.
金陵
C.
半岛
D.
锦江
E.
文华东方
查看完整题目与答案
【单选题】单边拉普拉斯变换F(s)=(2s+1)e-2t/s2的原函数等于( )。
A.
tε(t)
B.
tε(t-2)
C.
(t-2)ε(t)
D.
(t-2)ε(t-2)
查看完整题目与答案
相关题目：
【判断题】大堂的设计水准高低往往代表 酒店 形象的好坏
A.
正确
B.
错误
查看完整题目与答案
【单选题】函数 f(t) = ∫ -∞→t-2 δ(x)dx 的单边 拉普拉斯变换F(s) 等于()。
A.
1
B.
1/s
C.
e^(-2s)
D.
e^(-2s)/s
查看完整题目与答案
【单选题】Which of the following statements is correct regarding an oil with a high viscosity index?
A.
A large change of viscosity occurs with a minor change in temperature
B.
No change in viscosity occurs with any change in temperature
C.
Very little change in viscosity occurs with a significant change in temperature
D.
The viscosity of the oil increases with an increase in temperature
查看完整题目与答案
【单选题】The absolute viscosity μ of a fluid is primarily a function of
A.
density
B.
temperature
C.
pressure
D.
velocity
E.
surface tension
查看完整题目与答案
【单选题】Holland is famous for its ______ products such as milk powder.
A.
machinery
B.
food
C.
dairy
D.
agriculture
查看完整题目与答案
【简答题】Holland is famous for windmills. Some of them were ____ in the 18th century. They are used to _________ wind power. Holland is also famous for cheese, __________________ and __________. The __________...
查看完整题目与答案
【单选题】单边拉普拉斯变换F(s)=2s+1 的原函数等于
A.
2δ(t)+δ'(t)
B.
δ(t)+2δ'(t)
C.
δ(t)+δ'(t)
D.
2ε(t)+δ(t)
查看完整题目与答案
【单选题】函数f(t)=tdcostε(t)/dt的单边拉普拉斯变换F(s)等于( ) .
A.
s2+s/(s2+1)
B.
s2/(s2+1)
C.
-2s/(s2+1)2
D.
2s/(s2+1)2
E.
s2-1/(s2+1)2
查看完整题目与答案
【多选题】属于香港的国际知名酒店管理集团有哪些?( )
A.
香格里拉
B.
金陵
C.
半岛
D.
锦江
E.
文华东方
查看完整题目与答案
【单选题】单边拉普拉斯变换F(s)=(2s+1)e-2t/s2的原函数等于( )。
A.
tε(t)
B.
tε(t-2)
C.
(t-2)ε(t)
D.
(t-2)ε(t-2)
查看完整题目与答案
参考解析：
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