A．Because schoolchildren waste time and money on them.B．Because too many adults spend
A. Because schoolchildren waste time and money on them.
Because too many adults spend working hours playing them.
C. Because they can easily be turned into a form. of gambling.
D. Because they are becoming a social problem, affecting both adults and children.
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若要查询选修课(学号、课程号、成绩)成绩在80分以上的女生姓名，应使用的SELECT语句是______。
A. SELECT姓名FROM学生表，选课表WHERE学生表．学号=选课表．学号；．OR．性别="女"．AND．成绩＞=80
B. SELECT姓名FROM学生表，选课表WHERE学生表．学号=选课表．学号；．AND．性别："女"．OR．成绩＞=80
C. SELECT姓名FROM学生表，选课表WHERE学生表．学号=选课表．学号；．OR．性别="女"．OR．成绩＞=80
D. SELECT姓名FROM学生表，选课表WHERE学生表．学号=选课表．学号；．AND．性别："女"．AND．成绩＞=80
A．leadingB．comingC．amountingD．adding
A. leading
B. coming
C. amounting
D. adding
一旦企业与银行签订周转信贷协议，则在协定的有效期内，只要企业的借款总数额不超过最高限额，银行必须满足企业任何时候任何用途的借款要求。()
A. 正确
B. 错误
Towards the solution to the worsening problem the writer seems to be
A. assured.
B. slack.
C. detached.
D. active.
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