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Write an invitation letter based on the following situation:
Your birthday is on Saturday next week. Please write an informal invitation letter to invite your American friend Peter to come to your home for your birthday party.
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更多 “ Write an invitation letter based on the following situation:Your birthday is on Saturday next week. Please write an informal invitation letter to invite your American friend Peter to come to your home for your birthday party. ” 相关考题
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You’re going to have a quiz ( )by another two in the ( )month.
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查询1997，1999年出生的同学信息，正确的SELECT语句是______。A．SELECT * FROM student WHERE YEAR(birthday) NOT IN(1997, 1999)B．SELECT * FROM student WHERE YEAR(birthday)=1997 OR YEAR(birthday)=1999C．SELECT * FROM student WHERE YEAR(birthday) IN(1997, 1999)D．SELECT * FROM student WHERE YEAR(birthday) EXISTS(1997, 1999)
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查询1997，1999年出生的同学信息，正确的SELECT语句是（）。A．SELECT * FROM student WHERE YEAR(birthday) NOT IN(1997, 1999);B．SELECT * FROM student WHERE YEAR(birthday)=1997 AND YEAR(birthday)=1999;C．SELECT * FROM student WHERE YEAR(birthday) IN(1997, 1999);D．SELECT * FROM student WHERE YEAR(birthday) EXISTS(1997, 1999);
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假设学生情况表中的生日字段为 birthday，数据类型为日期时间型，则查找年龄在18到20之间的学生信息，查找条件表达式正确的是：A．2020-year（[birthday]）＞=18 and 2020-year（[birthday]）＜=20B．2020-year（[birthday]）＞=18 or 2020-year（[birthday]） ＜=20C．year(now() )- year（[birthday]）＞=18 and year(now() )- year（[birthday]）＜=20D．year(now() )- year（[birthday]）＞=18 or year(now() )- year（[birthday]）＜=20
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1、从datetime类型的数据列 birthday 中获取年份，正确 的方法是：A．frame['birthday'].dt.yearB．frame['birthday'].yearC．datetime.now().yearD．pd.to_datetime(frame['birthday'])
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已知对学生记录的描述为： struct student { int num; char name[20],sex; struct{ int year,month,day; }birthday; } struct student stu; 设变量stu中的“生日”是“1995年11月12日”，对“birthday”正确赋值的程序是______。A．year=1995; month=11; day=12;B．stu.year=1995; stu.month=11; stu.day=12;C．birthday.year=1995; birthday.month=11; birthday.day=12;D．stu.birthday.year=1995; stu.birthday.month=11; stu.birthday.day=12;
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已知对学生记录的描述为： struct student { int num; char name[20],sex; struct{ int year,month,day; }birthday; }; struct student stu; 设变量stu中的"生日"是"1995年11月12日"，对"birthday"正确赋值的程序是______。A．year=1995;month=11;day=12;B．stu.year=1995;stu.month=11;stu.day=12;C．birthday.year=1995;birthday.month=11;birthday.day=12;D．stu.birthday.year=1995;stu.birthday.month=11;stu.birthday.day=12;
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已知对学生记录的描述为： struct student { int num; char name[20],sex; struct{ int year,month,day; }birthday; }; struct student stu; 设变量stu中的“生日”是“1995年11月12日”，对“birthday”正确赋值的程序是______。A．year=1995;month=11;day=12;B．stu.year=1995;stu.month=11;stu.day=12;C．birthday.year=1995;birthday.month=11;birthday.day=12;D．stu.birthday.year=1995;stu.birthday.month=11;stu.birthday.day=12;
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16、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＞=1990C．Birthday="90后"D．Birthday＞="90后"
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