The difference between a free floating exchange rate and a managed floating exchange rate is A: under managed float government intervention plays a role in determining the exchange rate. B: free floating exchange rates can only appreciate or depreciate by 5 units per day. C: the equilibrium exchange rate is always higher for managed float rates. D: all of the above

（ ）自由浮动（ Free Float ），又称为清洁浮动（ Clean Float ），是指政府对外汇市场不加任何干预，汇率完全由外汇市场上的供求状况决定。美国等发达国家严格实行自由浮动汇率制度。

以下正确的函数定义是( ) A: float fun(float a,float b) B: float fun(float a;float b) C: float fun(float a,float b); D: float fun(float a,b);

【单选题】下面的方法重载正确的是() A. int fun (int a, float b){} float fun(int a, float b){} B. float fun (int a, float b) {} float fun (int x, float y){} C. float fun (float a){} float fun(float a, float b){} D. float fun1 (int a, float b){} float fun2(int a ,float b){}

You can travel _____, but children under five travel ____. A: freely … free B: free … freely C: free … free D: freely … freely

下面函数定义格式正确的是( ) A: float f(float x, float y); B: float f(float x;float y) C: float f(float x, y) D: float f(float x, float y)

下列函数的定义，正确的是( )。 A: float sum(x, {float x,y;……} B: float sum(float x,float ; {……} C: float sum(float x,float {……} D: float sum(floatx,float {……}

程序中定义函数 float fun(float a, float b) { return a+b;} 则在调用之前应对该函数进行说明。以下说明中错误的是( ) A: float fun( float a,b); B: float fun(float b, float a); C: float fun(float, float); D: float fun(float a, float b);

float myadd(float a, float b) { return a+b;} 并将其放在调用语句之后，则在调用之前应对该函数进行说明。以下说明中错误的是【 】。 A: float myadd( float a,b) B: float myadd(float b, float a) C: float myadd(float, float) D: float myadd(float a, float b)

下面哪些自定义类型不符合语法要求？ A: dataShape=Float|(Float,Float) B: dataShape=circleFloat|rect(Float,Float) C: dataShape=CircleFloat|Rect(Float,Float) D: typeShape=CircleFloat|Rect(Float,Float)