下面程序的运行结果是 ______。 #include<iostream.h>

题型:单项选择题

问题:

下面程序的运行结果是 ______。
#include<iostream.h>
class A
public
virtual、~() cout<<”call A:: ~A()”<<end1;

class B:public A
B(int i)p=new char[i]:
-B()
delete[)p;
Cout<<”call B:: ~B()”;


void main()
A*a=new B(8);
Delete a;

A) call B:: ~B()
B) call B:: ~B()
C) call A:~A()
D) call A::~A()

考点:计算机等级考试C++二级C++笔试
题型:单项选择题

描述疾病分布的基本指标是()

A.平均数及标准差

B.发病率、患病率和死亡率

C.率和比

D.相对危险度及比值比

E.相对危险度及特异危险度

题型:单项选择题

狭义的资本结构是指()。

题型:单项选择题

Beijing: The United States and North Korea had their first ______ in four months here this afternoon as part of the ______ negotiations on how to end North Korea’s nuclear program, but diplomats played down prospects for______. James A. Kelly, assistant ______, and Kim Yong Ⅱ, North Korea’s deputy foreign minister, met ______ of formal discussions, ______ on direct dialogue that began after a stormy meeting ______ in which North Korea warned that it was moving quickly to ______ nuclear arms. The Bush administration had insisted ______ that it would only hold talks with North Korea ______ because, it argued, only ______ pressure would persuade North Korea to______. It got its way when North Korea dropped its insistence on ______ and agreed, after extensive efforts by China, to hold unusual simultaneous negotiations with ______,______,______ and ______ as well as the United States. Though Bush administration officials had not ______ talking privately with the North Koreans during______, the fact that Mr. Kelly and Mr. Kim met on the first day was seen as a sign of ______ by the American side.

题型:单项选择题

与结核分枝杆菌耐干燥特点有关的是()

A.形成芽胞

B.细胞壁致密

C.含耐热的酶类

D.有荚膜

E.细胞壁含大量脂质

题型:单项选择题

按一批办理的整车货物,运价率不同时,按其中()的运价率汁费。

A.件数多

B.高

C.低

D.重量高

更多题库