任意一货舱中烟雾警告启动,则相应的抽气风扇将:()
A.停转
B.保持转动
C.自动切换到OVRD
A.停转
B.保持转动
C.自动切换到OVRD
A.[‘aa’,‘bb’,‘dd’]
B.[‘aa’,‘cc’,‘dd’]
C.[‘cc’,‘bb’,‘dd’]
D.[‘aa’,‘bb’,‘cc’,‘dd’]
A./aa/bb/DD
B./aa/cc/JDK
C./aa/bb/JDK
D./aa/cc/DD
A.{1: 'aa', 2: 'dd', 3: 'cc'}
B.{1: 'aa', 2: 'bb', 3: 'cc',2:'dd'}
C.{1: 'aa', 2: 'bb', 3: 'cc'}
D.{1: 'aa', 2: 'bb', 3: 'cc',2:'bb'}
A.两个风扇都关闭
B.两个风扇保持运转
C.BLOWER风扇关闭,EXTRACT风扇保持运转
D.EXTRACT风扇关闭,BLOWER风扇保持运转
有如下程序:
inClude<iostream>
using namespace std;
class AA
{
public:
viltual void f()
{
cout<<"AA";
}
};
class BB:public AA
{
public:
BB()
{
cout<<"BB";
}
};
class CC:public BB
{
public:
virtual void f()
{
BB::f();
cout<<"CC";
}
};
int main()
{
AA aa,*p;BB bb;CC cc;
p=&cc;
p->f();
return 0;
}
运行后的输出结果【 】。
A.ABCD B.AABBCCDD C.AABBCC
A.Cc=newB()
B.Cc=newA()
C.Aa=newB()
D.Bb=newC()
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!