制作人的口腔上皮细胞临时装片时，滴加生理盐水的主要作用是（   ）

女性消费情况：

男性消费情况：

（Ⅰ）现从抽取的100名且消费金额在800，1000（单位：元）的网购者中随机选出两名发放网购红包，求选出的这两名网购者恰好是一男一女的概率；

（Ⅱ）若消费金额不低于600元的网购者为“网购达人”，低于600元的网购者为“非网购达人”，根据以上统计数据填写右面2×2列联表，并回答能否在犯错误的概率不超过0.010的前提下认为“是否为‘网购达人’与性别有关？”

附：

（ $K^2=\frac{n{\left(ad-bc\right)}^2}{\left(a+b\right)\left(c+d\right)\left(a+c\right)\left(b+d\right)}$ ，其中n=a+b+c+d）

    John Clark was a postman. He was fond of dogs. However, when he was delivering（投递）letters, he found that 1dogs were his friends. One particular dog called2, who lived at No.108 Turner Road, was one of John's 3. Whenever John came near his 4house, Spot would lie in and 5out on John, barking（吠叫）and trying to 6his ankles.

    After a heavy snow,7was freezing that morning. The road was covered with8. John was afraid of 9 down, so he10his bike and walked with11steps. Unfortunately, John slipped on a patch of ice, which was opposite to No.108 Turner Road. Spot12this as John together with his bike made such a big noise.Spot jumped onto John's 13and tried to bite his neck.Quick as a flash, John,14hands were full of letters, bit15on the leg.

    John Clark said later, it was the 16thing I could do.I don't approve of（赞成）17to animals, but that dog18 had it coming. Since that day I've had no 19at No.108.Spot always hides round the 20of the house when he hears me coming.