若有以下定义，则对变量student1中“生日”的正确赋值方式是（ ）。struct student{ int num; char name[20], sex; struct { int year, month, day; } birthday;} ; struct student student1; A: student1.birthday.year = 2003;student1.birthday.month = 5;student1.birthday.day = 1; B: year = 2003;month = 5;day = 1; C: birthday.year = 2003;birthday.month = 5;birthday.day = 1; D: student1.year = 2003;student1.month = 5;student1.day = 1;

a student in their first year at university: ______

The student of the universities in the second year are called ____.

Mike was only 14 that year made him the youngest student in the college.

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);

a student in his third year at college is called a________. A: junior B: senior

Passage 1According to the author, when does a college student meet his/her first conflict with their roommate? A: The 1st year at college. B: The 2nd year at college. C: The 3rd year at college. D: The 4th year at college.

中国大学MOOC: Last year, LiHua, a college student, ____ to work for the Olympic Games.

__________ there many foreign students in the student union last year? A: Is B: Was C: Are D: Were

删除student表中id为1的记录（） A: TRUNCATE FROM student where id=1; B: DELETE student where id=1; C: DELETE FROM student where id=1; D: DELETE INTO student where id=1;