union dt { int a;char b;double c; }data; 以下叙述中错误的是 A: data的每个成员起始地址都相同 B: 变量data所占内存字节数与成员c所占字节数相等 C: 程序段：data.a=5;printf("%f\n",data.c)；输出结果为5.000000 D: data可以作为函数的实参

若有以下说明和定义‌ union dt‌ {‌ int a; ‌char b; ‌double c;‌ }data;‌ 以下叙述中错误的是 ______。‌ A: data的每个成员起始地址都相同 B: 程序段：data.a=5;printf（"%f\n",data.c）;输出结果为5.000000 C: data可以作为函数的实参 D: 变量data所占内存字节数与成员c所占字节数相等

若有以下说明和定义union dt{ int a; char b; double c;}data;以下叙述中错误的是()。 A: data的每个成员起始地址都相同 B: 程序段：data.a=5;printf("%f ",data.c);输出结果为5.000000 C: 变量data所占内存字节数与成员c所占字节数相等 D: data可以作为函数的实参

(38)若有以下说明和定义[br][/br]{[br][/br]union dt[br][/br]{int a;charb;doublec;}data;[br][/br]以下叙述中错误的是______。[br][/br]} A: data的每个成员起始地址都相同 B: 变量data所占的内存字节数与成员c所占字节数相等 C: 程序段:data.a=5;printf("%f\n",data.c);输出结果为5.000000 D: data可以作为函数的实参

以下哪个不是Android手机常见的应用程序？（ ） A: \data\data\com.tencent.mm B: \data\data\com.tencent.mobileqq C: \data\data\com.eg.android.AlipayGphone D: \data\data\com.tencent.xin

What is stored in the database is（ ）. A: data B: data mode C: links between data D: data and the connection between data

已知有n个数据进行排序，下面能实现排序的是 A: data=[34,5,-6,12,87,29]data.sort() B: data=[34,5,-6,12,87,29]n=len(data)od=[]whileiwhilejifdata[j]>data[j+1]:t=data[j]data[j]=data[j+1]data[j+1]=tj+=1i+=1 C: data=[34,5,-6,12,87,29]n=len(data)i=0j=0whileiwhilejifdata[j]>data[j+1]:t=data[j]data[j]=data[j+1]data[j+1]=tj+=1i+=1print(data) D: data=[34,5,-6,12,87,29]n=len(data)i=0j=0whileiwhilejifdata[i]>data[j]:t=data[i]data[i]=data[j]data[j]=tj+=1i+=1

The data collected by the statistical survey can be original data or secondary data. The relationship between the original data and secondary data is ( ) A: The original data comes from the grass-roots units, and the secondary data comes from the superior units B: Secondary data is processed from original data C: There is no necessary connection between the original data and the secondary data D: There is no difference between primary data and secondary data

若要对Data类中重载的加法运算符成员函数进行声明,下列选项中不正确的是_____。 (多选题) (多选题) (多选题) A: Data +(Data); B: Data operator+(Data); C: Data +operator(Data); D: operator+(Data,Data);

Which of the following is not the feature of a database. A: Data sharing B: Data integrity C: Data redundancy D: Data independence