I think walking is _____ our health. [ ] 发布时间:2017-06-30 17:52 │ 来源:www.tikuol.com 题型:选择题 问题: I think walking is _____ our health. [ ]A. good at B. bad at C. well in D. good for
题型:选择题 查询订购单号首字符是"P"的订单信息,应该使用命令【 】。A.SELECT*FROM订单WHERE HEAD(订购单号,1)="p"B.SELECT*FROM订单WHERE LEFT(订购单号,1)="p"C.SELECT*FROM订单WHERE"p"$订购单号D.SELECT*FROM订单WHERE RIGHT(订购单号,1)="p" 查看答案