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【单选题】
有下列程序: int add (int a,int b) {return(a+b);} main( ) { int k,(*f)( ),a=5,b=10; f=add; ... } 则下列函数调用语句错误的是( )A.
k=(*f)(a,b);
B.
k=add(a,b);
C.
k=*f(a,b);
D.
k=f(a,b);
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A.
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B.
output per time period; long-run marginal cost; dynamic increasing returns
C.
unit cost; cumulative production; dynamic increasing returns
D.
unit cost; cumulative production; dynamic decreasing returns
E.
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A.
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B.
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A.
higher chance of extreme upside returns and higher chance of extreme downside returns
B.
lower chance of extreme upside returns and higher chance of extreme downside returns.
C.
higher chance of extreme upside returns and lower chance of extreme downside returns.
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