下列经呼吸道传播的疾病有（）
A.风疹
B.流行性感冒
C.登革热
D.麻疹
E.腮腺炎
参考答案：A, B, D, E
—Do you think I should accept his invitation, Jim?
— If I were you, I certainly would.
A．None of your business.
B．It depends.
C．Why not?
D．I don't think so.
算法的空间复杂度是指( )。
A．算法程序的长度
B．算法程序中的指令条数
C．算法程序所占的存储空间
D．算法执行过程中所需要的存储空间
