The boy caught _____the flowers was fine

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问题选择题

The boy caught _____ the flowers was fined. [ ]

A. to pick

B. picking

C. to have picked

D. having picked

答案

答案：B

单项选择题

有关系S(S#，SNAME，SEX)，C(C#，CNAME)，SC(S#，C#)。其中S#为学生号，SNAME为学生姓名，SEX为性别，C#为课程号，CNAME为课程名。要查询选修“计算机文化”课的全体男学生姓名的SQL语句是：
SELECT SNAME FROM S，C，SC WHERE

A．S.S#=SC.S# AND SEX=’男’ AND CNAME=’计算机文化’

B．S.S#=SC.S# AND C.C#=SC.C# AND CNAME=’计算机文化’

C．SEX=’女’ AND CNAME=’计算机文化’

D．S.S#=SC.S# AND C.C#=SC.C# AND SEX=’男’ AND CNAME=’计算机文化’

问答题简答题

试述急性化脓性腹膜炎的主要病因。