( )是最常用的Python版本,也称之为Classic Python。
A. Cpython
B. Jython
C. IronPython
D. PyPy
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____ is equivalent to (*ptS).id.
A. *ptS.id
B. ptS@id
C. ptS>id
D. ptS->id
Each member of a structure variable is accessed by giving both the structure name and individual data item name, separated by a ____.
A. @
B. ->
C. :
D. .
____ is NOT a variable declaration statement.
A. struct {int month; int day; int year;} birth;
B. struct {int month; int day; int year;} birth, current;
C. struct Date {int month; int day; int year;};
D. struct Date {int month; int day; int year;} birth;
若成功执行下面的代码: float fahr,cels; fahr=90; cels=5/9*(fahr-32); printf("%-5.1fH=%5.1fC",fahr,cels); 给出输出结果?(其中#表示空格)
A. 90.0H=32.2C
B. 90.0#H=#32.2C
C. 90.0H=0.0C
D. 90.0#H=##0.0C