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【单选题】
Where your Chinese teacher ?
A.
does; come from
B.
is; come from
C.
does; be from
D.
is; comes from
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【单选题】企业现有资金不能满足企业经营的需要,采取短期借款的方式筹措所需资金,属于:
A.
筹资活动
B.
投资活动
C.
运营活动
D.
分配活动
【单选题】设函数y=f(-x 2 ),则dy等于(    )
A.
xf'(-x 2 )dx    
B.
-2xf'(-x 2 )dx
C.
2f(-x 2 )dx  
D.
2xf'(-x 2 )dx
【单选题】企业现有资金不能满足企业经营的需要,采取短期借款的方式筹措所需资金,属于(    )。
A.
筹资活动    
B.
投资活动    
C.
营运活动    
D.
分配活动
【单选题】《学记》中提出“时教必有正业,退息必有居学”这是( )教育教学原则。
A.
长善救失
B.
藏息相辅
C.
循序渐进
D.
学习观摩
【简答题】求势函数u(x,y),使得 (1)du=(3x 2 -3y 2 +4)dx-6xydy (2)du=(e x siny+2xy 2 )dx+(e x cosy+2x 2 y)dy.
【单选题】设y=2x3,则dy=( )
A.
2x2dx
B.
6x2dx
C.
3x2dx
D.
x2dx
【简答题】Passage One Questions 56 to 60 are based on the following passage. Last week I visited one of my old neighborhoods in Washington D.C. I had not been there for twenty years and as I walked along the st...
【简答题】Professor Martin’s report says that children who attend a number of different schools, because their parents have to move around the country, probably make slow progress in their studies. There are al...
【简答题】Passage Two Questions 1 to 5 are based on the following passage. Forgiving is easy. Forgetting the experience that comes before the forgiveness, however, always remains with us. Choosing to forgive me...
【简答题】2xydy=(2y 2 -x)dx.
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