【多选题】古巴比伦、古埃及时期的科技文化的萌芽包括()。
【单选题】古巴比伦、古埃及时期的科技文化的萌芽不包括
【简答题】已知 是等差数列 的前 项和,且 , . (1)求数列 的通项公式. (2)设 ,求证:数列 为等比数列,并求数列 的通项公式.
【单选题】下面选项中,能够更新user表中数据的SQL语句是
A.
update into user set id = 'u001';
B.
update user set id = 'u001' and username='jack';
C.
update user set username='jack' where id = 1;
D.
update into user set id = 'u001', username='jack';
【单选题】下面选项中,能够更新表student中id值小于4的SQL语句是
A.
ALTER TABLE student where id<4;
B.
UPDATE student set grade=100 where id<4;
C.
UPDATE student set grade=100 where id<=4;
D.
UPDATE Table student set grade=100 where id<4;
【简答题】It’s well known that Taiwan is belonged to China.
【单选题】听力原文:(A) The woman is drinking from a cup. (B) The woman is pouring water into the cup. (C) The woman is washing the cup. (D) The woman is filling up the cup.
【单选题】Life is a cup, and under most , it’s up to you to decide whether it’s a drinking cup (beiju) or a toothbrush cup (xiju).