Struct date{int year,month,day;};Struct worklist{Char name[20];Char sex;Struct date birthday;}person;对结构体变量person的出生年份进行赋值时，下面正确的赋值语句是 A: worklist .birthday.year=1978 B: birthday.year=1978 C: person.birthday.year=1958 D: person.year=1958

从datetime类型的数据列 birthday 中获取年份，正确 的方法是： A: frame['birthday'].dt.year B: frame['birthday'].year C: datetime.now().year D: pd.to_datetime(frame['birthday'])

有如下定义： Struct date{ int year,month,day;};Struct worklist{Char name[20];Char sex;Struct date birthday;}person;对结构体变量person的出生年份进行赋值时，下面正确的赋值语句是____________ 。 A: worklist .birthday.year=1978 B: birthday.year=1978 C: person.birthday.year=1958 D: person.year=1958

程序：class Birthday{int year;int month;int day;public Birthday(int year,int month,int day){year = year; month = month; day = day;}public static void main(String[] args){Birthday birth = new Birthday(1980,10,22); System.out.println(year);}}程序运行后的输出是哪项？ A: 1980 B: 10 C: 22 D: 0 E: 编译出错

有如下定义： struct date{ int year,month,day; };struct worklist{ char sex; struct date birthday; }person;对结构体变量 person 的出生年份进行赋值时，下面正确的赋值语句是 。 A: person.birthday.year=2014 B: year=2014 C: birthday.year=2014 D: person.year=2014

有如下定义： struct date { int year, month, day; }; struct worklist { char name[20]; char sex; date birthday; }person; 对结构体变量person的出生年份进行赋值时，下面正确的赋值语句是（ ）。 A: year=1958 B: birthday．year=1958 C: person．birthday．year=1958 D: person．year=1958

有如下定义:struct date { int month; int day; int year;};struct worker{char name[20];char sex;struct date birthday;} person1;对person1的出生年份进行赋值时,下面正确的赋值语句是( ). A: year=1966 B: birthday.year=1966 C: person1.year=1966 D: person1.birthday.year=1966

在SELECT语句中,与排序有关的关键字是______。 A: ORDER BY B: LIMIT C: DESC D: ASC E: ： ACD F: 、查询1997,1999年出生的同学信息,正确的SELECT语句是______。 G: SELECT * FROM student WHERE YEAR(birthday) NOT IN(1997,1999); H: SELECT * FROM student WHERE YEAR(birthday)=1997 OR YEAR(birthday)=1999; I: SELECT * FROM student WHERE YEAR(birthday) IN(1997,1999); J: SELECT * FROM student WHERE YEAR(birthday) EXISTS(1997,1999);

Happy birthday! By this time of next year, you _________ (turn) 18.

对于如下的结构体定义,若对变量person的出生年份进行赋值,正确的赋值语句是( ).struct date{int year,mouth,day;};struct worklist{char name[20];char sex;struct date birthday;} person; A: year=1976; B: person.birthday.year=1976; C: birthday.year=1976; D: person.year=1976;