题目

You choose to be a winner!The Winners Club is a bank account specially designed for teenagers. It has been made to help you better manage your money. The Winners Club is a transaction account(交易账户)where you receive a key-card so you can get to your money 24/7—that’s 24 hours a day, 7 days a week!It’s a club with impressive features for teenagers:●No account keeping fees!You’re no millionaire so we don’t expect you to pay large fees. In fact, there are no account keeping or transaction fees!●Excellent interest rates!You want your money to grow. The Winners Club has a good 两条平行线之间的距离是7厘米，在这两条平行线之间画一条垂直线段，这条垂直线段的长是（____）厘米。