不属于红细胞生理特征的是
A．红细胞膜的通透性B．红细胞的可塑变形性C．红细胞的悬浮稳定性D．红细胞的渗透脆性E．红细胞的趋化性
参考答案：E
如果表达式--x/y中的“--”和“/”是作为友元函数重载的运算符，采用运算符函薮调用格式，该表达式还可表示为( )。
A．operator/(x.operato--(), y);
B．operator/(operator--(x), y);
C．x.operator--().operator/(y);
D．y.operator/(operator--(x));
Directions:
Study the following set of pictures carefully and write an essay in which you should
1) describe the pictures briefly,
2) interpret their intended meanings, and
3) point out their implications in our life. You should write about 160--200 words neatly on ANSWER SHEET 2.
