定义如下结构体来描述一个人的基本情况： struct date {int year; int month; int day; }; struct person {char name[20]; char sex; struct date birthday; }man;如果某人的生日是1988年10月9日，下列对生日的正确赋值是 。 A: man·birthday·year=1988 man·birthday·.month=10 man·birthday·day=9 B: birthday·year=1988birthday·month=10birthday·day=9 C: man·year=1988man·month=10man·day=9 D: year=1988 month=10 day=9

【单选题】def happy(): print("Happy birthday to you!") def happy_birthday(name): happy() print("Happy birthday, dear {}!".format(name)) happy() happy_birthday("teacher") A. Happy birthday to you! Happy birthday to you! Happy birthday, dear teacher! Happy birthday to you! B. Happy birthday to you! Happy birthday, dear teacher! Happy birthday to you! Happy birthday to you! C. Happy birthday to you! Happy birthday, dear teacher! Happy birthday, dear teacher! Happy birthday to you! D. Happy birthday to you! Happy birthday, dear teacher! Happy birthday to you!

有如下代码： StringBuffer buffer = new StringBuffer("Happy Birthday");buffer.insert(2, '5');System.out.println(buffer);则最后输出的结果是（ ） A: Hap5py Birthday B: H5appy Birthday C: Ha5py Birthday D: Ha5ppy Birthday

She is such a difficult girl to please ________. A: when birthday gifts are concerned B: when concerning birthday gifts C: when birthday gifts concerned D: when birthday gifts concerning

--Happy birthday!--______. A: Happy B: Happy birthday C: Thank you

​如果要约束学生表的人员必须是“90后“，那么Birthday字段（日期型）应该添加的检查约束时________。‍ A: Birthday>="1990-01-01" B: Birthday>=1990 C: Birthday="90后" D: Birthday>="90后"

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'])

---Happy birthday!--______

Oh , I forgot _________(send) my sister a birthday card and it’s her birthday tomorrow.

1988?1