赞题库-背景图

单项选择题

I’d rather stay at home than () a walk.

A、taking
B、to take
C、take
D、to be taking

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热门试题

单项选择题检索所有比'王华'年龄大的学生姓名、年龄和性别。正确的SELECT语句是()

A、SELECT SN，AGE，SEX FROM S
SHERE AGE>(SELECT AGE FROM S)
WHERE SN=’王华’)
B、SELECT SN，AGE，SEX
FROM S
WHERE SN=’王华’
C、SELECT SN，ACE，SEX FROM S
WHERE AGE>(SELECT ACE
WHERE SN=’王华’)
D、SELECT SN，ACE，SEX FROM S
WHERE ACE>王华AGE

单项选择题检索选修课程'C2'的学生中成绩最高的学生的学号。正确的SeLECT的语句是()

A、SELECT S# FORM. SC
WHERE C#='C2' AND GRADE>=(SELECT GRADE FORM. SC)
WHERE C#='C2')
B、SELECT S# FORM. SC
WHERE C#='C2' AND GRADE IN(SELECT CRADE FORM. SC)
WHERE C#='C2'
C、SELECT S# FORM. SC
WHERE C#='C2' AND GRADE NOT IN(SELECT GRADE FORM. SC
WHERE C#='C2'
D、SELECT S# FORM. SC
WHERE C#='C2' AND CRANDE>=ALL(SELECT GRADE FORM. SC
WHERE C#='C2')