题目内容

下列程序中，给出两个整数2和3，分别求2除以3和2乘以3的结果，要求调用类ex1_1的方法method()来输出相应的结果，请将程序补充完整。程序运行结果如下： 0.6666666666666666 6 public class ex1_1{ public static void main(String[]args) { int n1=2，n2=3； ex1_1 obj1_1=new ex1_1()； obj1_1. ； } public void method(int x，int y){ System.out.println()； System.out.println(__)； } }

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C It doesn’t matter when or how long a person sleeps, but everyone needs some rest to stay alive. That’s what all doctors’ thought, until they heard about Jercy Page. Jercy Page, it was said, never slept. Could this be true The doctors decided to see this strange man by themselves. Jercy Page was ninety years old when the doctors came to his home in New Jersey. They thought for sure that he got some sleep of some kind. So they stayed with him and watched every movement he made. But they were surprised. Though they watched him hour after hour and day after day, they never saw Jercy Page sleeping. Actually, he did not even own a bed. He never needed one. The only rest that Jercy Page got was sitting in a comfortable chair and reading newspapers. The doctors were puzzled by this strange continuous sleeplessness. They asked him many questions, hoping to find an answer. They found only one answer that might explain his condition. Page remembered some talk about his mother having been injured several days before he was born. But that was all. Was this the real reason No one could be sure. After watching him closely, the doctors came to believe that Jercy Page ______.

A. needed some kind of sleep
B. was too old to need any sleep
C. needed no sleep at all
D. often slept in chair

女孩，12岁。发热14d，体温38～39℃，双手指指指关节和掌指关节肿痛伴活动受限，两侧膝关节肿胀，以右侧明显，被动活动受限。无皮疹，浅表淋巴结无肿大，肝脾无明显肿大。血沉和C反应蛋白升高，血白细胞13×109/L，尿常规检查正常。为了排除风湿热，应做下列哪项检查

A. X线胸片
B. 肺功能
C. 心电图
D. 心脏超声和血抗O检查
E. 头颅CT

女孩，12岁。发热14d，体温38～39℃，双手指指指关节和掌指关节肿痛伴活动受限，两侧膝关节肿胀，以右侧明显，被动活动受限。无皮疹，浅表淋巴结无肿大，肝脾无明显肿大。血沉和C反应蛋白升高，血白细胞13×109/L，尿常规检查正常。诊断首先考虑

A. 风湿热
B. 过敏性紫癜
C. 小儿类风湿病
D. 关节结核
E. 化脓性关节炎

2000—2009年国际旅游收支情况单位：亿美元国家和地区国际旅游支出国际旅游收入 2000年 2005年 2009年 2000年 2005年 2009年世界 5301.9 7585.0 8038.7 5679.8 8202.2 8877.4 高收入国家 4401.4 6111.4 6377.0 4430.9 6010.7 6409.5 中等收入国家 834.2 1366.8 1543.0 1187.2 2084.8 2331.5 低收入国家 61.6 109.1 122.8 58.1 99.7 126.0 中国 141.7 247.2 282.4 173.2 318.4 371.3 中国香港 125.0 133.1 139.7 82.0 135.9 153.1 印度 42.8 78.0 93.0 37.2 76.5 92.3 印度尼西亚 32.0 47.4 50.3 49.8 50.9 48.9 以色列 37.3 37.8 38.7 46.1 33.6 33.2 日本 426.4 481.0 376.6 59.7 155.6 114.9 韩国 79.5 169.2 203.9 85.3 82.9 80.7 新加坡 45.4 99.5 103.8 51.4 59.0 70.7 加拿大 151.3 228.9 259.9 130.4 160.1 169.8 墨西哥 63.7 89.5 94.0 91.3 128.0 133.4 美国 913.2 994.4 1043.1 1186.3 1230.9 1289.2 阿根廷 54.6 35.5 41.4 32.0 32.2 39.1 巴西 45.5 59.1 75.0 19.7 41.7 45.8 法国 218.8 375.5 377.9 370.3 521.5 540.3 德国 578.9 825.3 842.1 249.4 382.2 427.9 2009年，高收入国家国际旅游支出是低收入国家的( )。

A. 51.89倍
B. 51.93倍
C. 51.92倍
D. 52.91倍