总风缸容积为（） A.900L B.1000L C.1150L

A client with three children who is still in her childbearing years is admitted for surgical repair of a prolapsed bladder. The nurse would find that the client understood the surgeon’s preoperative teaching when the client states（）

A. "If I should become pregnant again, the child would be delivered by cesarean delivery. "

B. "If I have another child, the procedure may need to be repeated. "

C. "This surgery may render me incapable of conceiving another child. "

D. "This procedure is accomplished in two separate surgeries. "

面的正投影图是（）

A.点

B.面

C.线

D.线或面

E.点或面

用N_A表示阿伏加德罗常数的数值，下列说法正确的是[ ]

A．标准状况下，11.2 L H₂O所含的水分子数目为0.5N_A

B．16 g O₂和O₃的混合气体中所含的氧原子数目为N_A

C．1. 00 mol·L^-1 Na₂CO₃溶液中所含Na⁺的数目为2N_A

D．0.1 mol Zn与含0.1 mol HCl的盐酸溶液充分反应，转移电子数目为0.2N_A

有下列程序段：
int n,t=1,s=0;
scanf("%d",&n);
dos=s+t;t=t-2;while(t!=n);
为使此程序段不陷入死循环，从键盘输入的数据应该是( )。

A) 任意正奇数
B) 任意负偶数
C) 任意正偶数
D) 任意负奇数

什么是微机监测系统？