设有一结构体类型变量定义如下： struct worker { char name[20]; char sex; int age; } person; 若对结构体变量person的年龄进行赋值，下面正确的赋值语句是________。 A: age=40; B: worker.age=40 C: person.age=40 D: worker.person.age=40

An American employer is likely to use a worker's family name when ______. A: the worker is to get a promotion B: the worker has done something wrong C: he speaks to the worker at a gathering D: he is being friendly with the worker

根据下面的定义，能输出字符串'Mary'的语句是（ ）。struct worker{char name[18]; int age;};struct worker w[100]={"John",16,"Paul",17,"Mary",17 }; A: printf("%s",w[1].name); B: printf("%s",w[2].name); C: printf("%s",w[1]); D: printf("%s",w[2]);

Unskilled office worker and skilled well-paid manual worker belong to upper middle class.

Choose the appropriate description for a worker ( ). A: A worker is a person who is doing mental job. B: A worker is a person who is prone to devote more time to working. C: A worker is a person who feels happier and more satisfied with his/her life. D: A worker is a person who spends his/her leisure time on lifelong learning.

Which of the following is not a blue-collar worker? A: plumber B: electrician C: attorney D: structural worker

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

Spark任务调度过程是什么？（） A: RDDObject->ADGScheduler->TaskScheduler->Worker B: ADGScheduler->RDDObject->TaskScheduler->Worker C: RDDObject->TaskScheduler->ADGScheduler->Worker D: Worker->ADGScheduler->TaskScheduler->RDDObject

He must be a worker,  _______________ ?

You are not a worker, right?