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Which of the following is the main point of the text?
［A］ The development of the Internet.
［B］ The possibility of space research.
［C］ Universal information superhighway.
［D］ The technological advances of the Mars mission.
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更多 “ Which of the following is the main point of the text?［A］ The development of the Internet.［B］ The possibility of space research.［C］ Universal information superhighway.［D］ The technological advances of the Mars mission. ” 相关考题
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Which of the following best summarizes the main idea of the text?[A] The Internet is posing a threat to publishers.[B] A new mode of publication is emerging.[C] Authors welcome the new channel for publication.[D] Publication is rendered easier by online service.
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（ 33 ）下面程序中对一维坐标点类 Point 进行运算符重载#includeusing namespace std;class point {public:point （ int vaI ） {x=val;}point ＆ operator++ （） {x++;retum*this;}print operator++ （ int ） {point ld=*this,++ （ *this ） ;retum old;}int GetX （） const {retum x;}private:int x;};int main （）{point a （ 10 ） ;cout （ ++a ） .GetX （） ;coutA++.GETX （） ;retum （） ;}编译和运行情况是A ）运行时输出 1011B ）运行时输出 1111C ）运行时输出 1112D ）编译有错
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下列程序的输出结果为: Ohject id=0 Object id=1 请将程序补充完整。 include us
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使用VC6打开考生文件夹下的工程test17_3，此工程包含一个源程序文件test17_3.cpp，其中定义了用于表示点的类Point和表示内容的类Text以及二者的派生类CircleWithText，但它们的定义并不完整。请按要求完成下列操作，将它们的定义补充完整。(1)定义类Point的构造函数，请使用参数列表的形式将成员函数x和y分别初始化为参数x1和y1的值。请在注释“//**1**。”之后添加适当的语句。(2)完成类Text的构造函数Text(char *str)的定义，将char型的str指向的内容赋值给text并且输出str所指向的内容，请在注释“//**2**”之后添加适当的语句。(3)定义类CircleWithText的构造函数CircleWithText(int cx,int cy,char *msg)，int型的cx和cy用于赋值给x和y，char型的指针*msg用于赋值给text，请在注释“//**3**”之后添加适当的语句。输出结果如下：Point：3 4hello注意：除在指定位置添加语句之外，请不要改动程序中的其他内容。源程序文件test17_3.cpp清单如下：include ＜iostream.h＞include ＜string.h＞class Point{int x,y;public://**1**{cout＜＜"Point:"＜＜x＜＜' '＜＜y＜＜'\n';}～Point(){}};class Text{char text[100];public:Text(char *str){//**2**}～Text () { }};class CircleWithText:public Point,public Text{public://**3**{}～CircleWithText() {}};void main(){CircleWithText cm(3,4,"hello");}
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有如下程序:includeusing namespace std;class Point{public: static int number;
有如下程序：#include＜iostream＞using namespace std；class Point{public： static int number；public： Point(){number++；} ～Point(){number--；}}；int Point::number=0；void main(){ Point*ptr； Point A，B； { Point*ptr_point=new Point[3]； ptr=pb_point； } Point C cout＜＜Point::number＜＜endl； delete[]ptr； }运行时输出的结果是A．3B．4C．6D．7
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有如下程序: include using namespace std; class Point{ int x, y; public: Point(i
有如下程序：#include＜iostream＞using namespace std;class Point{int x, y;public:Point(int x1=0, int y1=0):x(x1), y(y1){}int get(){return x+y;)};class Circle{Point center;int radius;public:Circle(int CX, int cy, int r):center(cx, cy), radius(r){}int get(){return center. get()+radius;}}；int main(){circle c(3, 4, 5);cout＜＜c. get()＜＜end1;return ():}运行时的输出结果是( )。A) 5B) 7C) 9D) 12A．B．C．D．
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有以下程序: include using namespace std; class Point' { public: void SetPoint(
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有以下程序:includeusingnamespacestd;definePI3.14classPoint{private: intx,y;pub
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有如下程序:include using namespace std;class point{int x, y;public:point( int v
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A wireless access point supports up to 20 clients. Which of the following describes this wirelessnetwork?()
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有如下程序: include using namespace std; class point {int x,y; public:point( i
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若有以下程序:include using namespace std;define PI 3.14class Point{private: in
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Which of the following is a suitable pre-listening activity A.Writing a similar text．
B.Discussing a relevant picture．
C.Writing all the main knowledge about the topic．
D.Do some exercises about the difficult vocabulary with the topic．
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Which of the following is a suitable pre-listening activity?
A．Writing a similar text.
B．Discussing a relevant picture.
C．Writing all the main knowledge about the topic.
D．Note-taking and gap-filling.
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Which of the following network topologies BEST describes a VPN? （）(Select TWO)A、Point to PointB、Point to MultipointC、VLAND、RingE、Bus
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A wireless access point supports up to 20 clients. Which of the following describes this wirelessnetwork?（）A、MeshB、Point to pointC、Point to multipointD、Ring
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Which of the following does not affect security on a wireless access point?（）A、EncryptionB、DHCPC、PasswordD、SSID
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You are designing a strategy to ensure that DNS queries always take the most efficient route to get resolved. Which action or actions should you perform？（）A、 Configure conditional forwarding on the corporate DNS servers to point the development DNS servers.B、 Configure conditional forwarding on the development DNS servers to point the corporate DNS servers.C、 Configure conditional forwarding on the perimeter network DNS servers to point the corporate and development DNS servers.D、 Configure forwarding on the corporate and development DNS servers to point the perimeter network DNS servers.E、 Disable root hints on the perimeter network DNS Servers.
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单选题Which of the following is most clearly similar to a cline as it is described in the second paragraph of the text?A
A vegetable market in which the various items are grouped according to place of origin.B
A wheat field in which different varieties of wheat are planted to yield a crop that will bring the maximum profit.C
A flower stall in which the various species of flowers are arranged according to their price.D
A housing development in which the length of the front struts supporting the porch of each house increases as houses are built up the hill.
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单选题Which of the following best states the main point of the text?A
The approach of psychohistorians to historical study is currently in vogue even though it lacks the rigor and verifiability of traditional historical method.B
Traditional historians can benefit from studying the techniques and findings of psychohistorians.C
Areas of sociological study such as childhood and work are of ~little interest to traditional historians.D
The psychological assessment of an individual’s behavior and attitudes is more informative than the details of his or her daily life.
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多选题Which are syntactically valid statement at// point x？（） class Person { private int a； public int change（int m）{ return m； } } public class Teacher extends Person { public int b； public static void main（String arg[]）{ Person p = new Person（）； Teacher t = new Teacher（）； int i； // point x } }Ai = m；Bi = b；Ci = p.a；Di = p.change（30）；Ei = t.b.
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单选题Which of the following definitions can be used to define the term ‘offset ’ as a characteristic of controller action?（）A
The period of time in which the set point and the control point coincideB
The periodic change between the set point and the control pointC
The variable difference between the set point and the control pointD
The constant difference between the set point and the control point
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单选题Which of the following activities is best for training detailed reading? _____A
Drawing a diagram to show the text structureB
Giving the text an appropriate titleC
Transferring information from the text to a diagramD
Finding out all the unfamiliar words
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