Wh/2（ ）。

[单选题]Wh/2A．B．C．D．E．

[单选题,B型题] Wh/2（）A . 分配系数B . 容量因子C . 保留时间D . 峰宽E . 半高峰宽

[单选题]在SQL语句中，与表达式“仓库号NOT IN(“wh1”，“wh2”)”功能相同的表达式是A．仓库号=“wh1”AND仓库号：“wh2”B．仓库号!=“wh1”OR仓库号：=“wh2”C．仓库号＜＞“wh1”OR仓库号!=“wh2”D．仓库号!=“wh1”AND仓库号!=“wh2”

[单选题]在SQL语句中，与表达式“仓库号NOT IN(“wh1”，“wh2”)”功能相同的表达式是A．仓库号=“wh1”AND仓库号=“wh2”B．仓库号!=“wh1”OR仓库号#“wh2”C．仓库号＜＞“wh1”OR仓库号!=“wh2”D．仓库号!=“wh1”AND仓库号!=“wh2”

[单选题]给出在仓库“WH1”或“WH2”工作，且年龄小于40岁的职工号和姓名，正确的命令是（ ）。

[问答题] 5WH法中的5WH各指何意？

[单选题]有下列程序 main() { int t, a=1, b=5, c=-2; while(a＞b＞c) { t=a; a=b; b=t; c++;} printf("%d, %d, %d", a, b, c); } 程序输出的结果是( )。A．1, 5, 0B．1, 5, -2C．5, 1, -1D．5, 1, -2

[试题] People are indulging in an illusion whenever they find themselves explaining at a cocktail(鸡尾酒) party, say, that they are "in computers," or "in telecommunications," or "in electronic funds transfer". The implication is that they are part of th

[试题] People are indulging in an illusion whenever they find themselves explaining at a cocktail(鸡尾酒) party, say, that they are "in computers," or "in telecommunications," or "in electronic funds transfer". The implication is that they are part of th

[单选题]Which of the following is NOT true?A．) When a person tries to help others, he must be clear that there is a real emergency.B．) When a person tries to help others, he should know whether they are worth his help.C．) A person must take the full responsi