【判断题】一个微观粒子的某些物理量(如位置和动量,或方位角与动量矩,还有时间和能量等),不可能同时具有确定的数值,其中一个量越确定,另一个量的不确定程度就越大。
【简答题】编写一函数,由实参传来一个字符串,统计此字符串中字母、数字、空格和其它字符的个数,在主函数中输入字符串以及输出上述的结果。请填空完成上述功能的程序。 #include #include void fltj(char str[],int a[]) { int ll,i; ll= (1) for (i=0;i
【单选题】Let children speak their own opinions, ______they are different from your own.
【简答题】A boy who was cleaning shoes in the street said to a young man 1 by, “Let me clean your shoes, 2 ?”The young man said, “No, thank you .”“You may 3 me only a pound for that, sir.” said the boy. 4 the y...
【简答题】Let your ( )食欲 be the guide.