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【单选题】
按我国习惯,在使用静水力曲线图漂心距船中距离
A.
漂心F在船中前或船中后,
B.
漂心F在船中前或船中后,
C.
漂心F在船中后,
D.
漂心F在船中后,
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A.
计算曝光频率
B.
计算反响率
C.
对销售额和利润额的影响
D.
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【单选题】Ernie's utility function is U (x; y) = xy. Ernie consumes 4 units of x and 16 units of y.
A.
Ernie would be willing to make small exchanges of x for y in which he gives up 4 units of x for every unit of y he gets.
B.
Ernie would be willing to trade away all of his x for y so long he gets more than 4 units of y for every unit of x he gives up.
C.
Ernie likes x and y equally well so he is always willing to exchange 1 unit of either good for more than one unit of the other.
D.
None of the above.
【判断题】已知x为非空列表,那么执行语句x[0] = 3之后,列表对象x的内存地址不变。
A.
正确
B.
错误
【判断题】已知x为非空列表,那么执行语句x[0]=3之后,列表对象x的内存地址不变。
A.
正确
B.
错误
【简答题】2017年山东卷高考作文题目:回头却不是从前。作文原材料:不要回头看,因为逝去的风景已不再属于你。
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