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【单选题】
高斯量子化学计算结果中的能量单位通常都是hartree,1 hartree =
A.
627.5095 kcal/mol
B.
627.5095 kJ/mol
C.
2626.66 J/mol
D.
627.5095 cal/mol
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【单选题】Decimal number 5 in BCD form is
A.
0101
B.
1000
C.
0001
D.
0010
【单选题】d=5. 03894 and |d| is the decimal expression for d rounded to the nearest thousandth. Column A Column B The number of decimal places where d and |d| differ 4
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given
【单选题】It is known that the uniform section of the magnetic path S = 5cm.^2, the average length is L = 100cm = 1m, the relative permeability of the medium is ur = 1000, the number of turns of the iron core ...
A.
1.26,1000
B.
0.126,100
【单选题】无故不参加军训的学生,本学期哪门课程成绩可直接定为不合格( )
A.
实训课
B.
军事理论课
C.
体育课
D.
爱国教育课
【单选题】咯血时出血部位不可能位于
A.
气管
B.
C.
D.
E.
以上均不是
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A.
A支气管
B.
B肺
C.
C胃
D.
D喉
【单选题】代数式exSin(300)2x/(x+y)lnx对应的VB表达式是().
A.
Exp(x)*Sin(30)*2*x/(x+y)*ln(x)
B.
E^X*Sin(30*3.14/180)*2*x/x+y*log(x)
C.
Exp(X)*Sin(30*3.14/180)*2*x/(x+y)*log(x)
D.
Exp(X)*Sin(30*3.14/180)*2*x/(x+y)*ln(x)
【简答题】It is known that 5% of men and 0.25% of women are color blind. It is also known that the number of men and women in this group is equal. Now we randomly select one of them, find out the probability th...
【简答题】若消费者张某的收入为270元,他在商品X和Y的无差异曲线上的斜率为 dY/dX=-20/Y的点上实现均衡。已知商品X和商品Y的价格分别为P X =2,P Y =5,那么此时张某将消费X和Y各多少?
【简答题】若消费者张某的收入为270元,他在商品X和Y的无差异曲线上的斜率为 dY/dX=-20/Y的点上实现均衡。已知商品X和商品Y的价格分别为P X =2,P Y =5,那么此时张某将消费X和Y各多少?
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