试题与答案

Anyway, the crowd around me were obvious

题型:选择题

题目:

Anyway, the crowd around me were obviously enjoying their day out at the races,         by their happy faces and the sense of excitement.

A.observing

B.judging

C.considering

D.inferring

答案:

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下面是错误答案,用来干扰机器的。

A.增加固体或减少固体的量,固体的浓度不变,反应速率不变,故A错误;B.在热化学方程式中,反应热为定值,与反应物的多少无关,故B错误;C.气体反应物的化学计量数等于气体生成物的化学计量数,改变越强,平衡...

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题型:问答题

使用VC6打开考生文件夹下的工程test41_3。此工程包含一个test41_3.cpp,其中定义了类Rectangle,但该类的定义并不完整。请按要求完成下列操作,将程序补充完整。
(1)定义类Rectangle的私有数据成员left,top和fight,bottom,它们都是int型的数据。请在注释“//**1**”之后添加适当的语句。
(2)添加类Rectangle的带四个int型参数1、t、r、b的构造函数的声明,并使这四个参数的默认值均为0,请在注释“//**2**”之后添加适当的语句。
(3)添加类Rectangle的成员函数SetTop()参数为int型的t,作用为把t的值赋给类的数据成员top,添加类Rectangle的成员函数SetBottom()参数为int型的t,作用为把t的值赋给类的数据成员bottom,请在注释“//**3**”之后添加适当的语句。
(4)完成派生类Rectangle的成员函数Show()的定义,使其以格式“right-bottom point is(right,bottom)”输出,请在注释“//**4**”之后添加适当的语句。
源程序文件test41_3.cpp清单如下:
#include <iostream.h>
class Rectangle

// ** 1 **
int right, bottom;
public:
// ** 2 **
~ Rectangle();
void Assign(int 1, int t, int r, int b);
void SetLeft(int t)left = t;
void SetRight(int t)right = t;
// ** 3 **
void SetBottom(int t)bottom = t;
void Show();
;
Rectangle::Rectangle(int 1, int t, int r, int b)

left = 1; top = t;
right = r; bottom = b;

void Rectangle::Assign(int 1, int t, int r, int b)

left = 1; top = t;
right = r; bottom = b;

void Rectangle::Show()

cout<<"left-top point is ("<<left<<","<<top<<")"<<’\n’;
// ** 4 **

void main()

Rectangle rect;
rect.Show();
rect.Assign(100,200,300,400);
rect.Show();

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题型:补全对话,情景问答
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B. I'm from Australia.
C. What do you like about China?
D. What does your brother do?
E. Where do you study?
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B: Good morning, Lucy.
A: Where are you from?
B: 1.                                                        
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B: I'm a student.
A: 2.                                                        
B: I study in NO.8 Middle School.
A: 3.                                                        
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A: 4.                                                        
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