1. public class X { 2. public static void main (String[]args) { 3. int [] a = new int [1] 4. modify(a); 5. System.out.printIn(a[0]); 6. } 7. 8. public static void modify (int[] a) { 9. a[0] ++; 10. } 11. } What is the result?()
A. The program runs and prints “0”
B. The program runs and prints “1”
C. The program runs but aborts with an exception.
D. An error “possible undefined variable” at line 4 causes compilation to fail.
E. An error “possible undefined variable” at line 9 causes compilation to fail.
一老年男性阵发性腹痛、腹胀、肛门停止排便排气已2天。曾因阑尾穿孔,腹膜炎行手术治疗腹部检查:腹部膨隆,见多个胃肠型,腹软,无压痛,肠鸣音亢进。腹部X线片见中下腹部小肠有数个气液平面,盲肠、升结肠胀气扩大。行钡灌肠检查时,钡进入距肛门20cm处受阻,钡影尖端呈"鸟嘴状",该诊断应是()
A. 乙状结肠扭转
B. 乙状结肠癌
C. 粘连性肠梗阻
D. 粪块堵塞引起梗阻
E. 急性小肠扭转