The "New Stone Age" around 10,000 years ago saw the invention of metal tools and the wheel. A: 正确 B: 错误

下面If语句统计满足职称（用字符串变量duty表示）为副教授或教授、且年龄（用整型变量age表示）小于40岁条件的人数，正确的语句是______。 A: If age < 40 And （duty = "教授" or duty = "副教授"） Then n = n + 1 B: If age < 40 And duty = "教授" or duty = "副教授" Then n = n + 1 C: If age < 40 And duty = "教授" or "副教授" Then n = n + 1 D: If age < 40 Or duty = "教授" And duty = "副教授" Then n = n + 1

以下代码片段执行后，text的值为：（ ）var person = {fname:"Bill", lname:"Gates", age:62};var text = "";for (var x in person) { text += person[x];} A: BillGates62 B: fname:"Bill", lname:"Gates", age:62 C: BillGates D: 62

有如下定义：struct student{ int num; char name[20]; int age;};struct student stu[30];下面输入语句正确的是（）。 A: scanf("%d",&stu.age); B: scanf("%d",stu[0].age); C: scanf("%d",&stu[0].age); D: scanf("%d",stu.age);

设有如下定义: struct st{ char name[12]; int age; char sex; }stu[10],*p=stu;以下语句错误的是( )。 A: scanf("%d",p->age); B: scanf("%s",std[0].name); C: scanf("%d",&std[1].age); D: scanf("%c",&(p->sex);

In a standard obit for a famous person, the lead is usually written this way: "(the name), (what made the person famous), died (when) (where). He / She was (age)". A: 正确 B: 错误

下面的代码：var person = {fname:"Bill", lname:"Gates", age:62};var text = "";for (var x in person) { text += person[x];}循环结束后，text的值为：（ ） A: BillGates62 B: Bill C: Gates D: 62

根据下面的定义，能输出字符串"Li"的语句是（）。struct person{char name[10];int age;};person stu[10]={"Zhang",18,"Li",17,"Ma",18,"Huang",18 };? cout<<;stu[1].name[0]<<endl;|cout<<;stu[2].name[0]<<endl;|cout<<;stu[1].name<<endl;|cout<<;stu[2].name<<endl;

Word中插入数学公式的方法是（）。 A: "插入"→"形状"→"公式" B: "开发工具"→"公式" C: "插入"→"公式"→"插入新公式" D: "引用"→"插入"→"公式"

下面哪一个表达式能正确表示逻辑关系："age≥18 或age≤60"？ A: age>=18 || age B: age>=18 or age C: age>=18 | age D: age>=18 && age