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下列程序在构造函数和析构函数中申请和释放类的私有成员，请完成类的实现。class MyClass {public:MyClass (int a ) ;~MyClass ( );private:int *X;};MyClass:: MyClass (int a ){ [1] ;}MyClass:: ~MyClass ( ){ [2] ;}

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写程序运行结果。#include using namespace std;class MyClass {public:void SetValue(int val);MyClass ( ) ;~MyClass ( );private:int i;};MyClass::MyClass ( ){ i=0;cout<<”This is a constructor! i=”< SetValue(k+1);p++;}return 0;}

写程序运行结果。#include using namespace std;class MyClass {public:void SetValue(int val);MyClass ( ) ;~MyClass ( );private:int i;};MyClass::MyClass ( ){ i=0;cout<<”This is a constructor! i=”<

Read the passage about the patient profile. Choose the best answer word (A,B or C) for each space.Maggie was 36 years old. She realized she had high blood pressure at the age of 37 1 the 34th week of pregnancy. She 2 hot and 3 weight. Her daughter was born early 4 to her having preeclampsia (先兆子痫). Her blood pressure doesn't return to normal 5 is expected, 6 she now has to take medication to control it.She doesn't smoke, keep to a fairly healthy diet and only have 7 glass of wine and 8 a farmer's wife she get plenty of exercise. 9, high blood pressure, heart disease and strokes are quite common in her family. But she knows to have a 10 attitude and tries the different lifestyle.

Hand-washing is a simple thing and it's the best way to prevent ____ and illness.

A. infected
B. infection
C. infecting