题目

Gifts.com provides more than just ideas. Sure, our unique and unforgettable gift suggestions are a big part of why people love us, but we also offer endless ideas and tools to make every day a reason to celebrate. Here are our Great Christmas Gift Ideas:Christmas Gifts for ParentsYou love your parents like no one else, and you want to give them something special for Christmas. But what would make their holiday bright? Finding them the perfect Christmas gift will be easy this year, with all our top picks in one place.Christmas Gifts for Parents Under $45Holiday Gift BasketsThe gift basket is a 同时转动如图所示的两个转盘，记转盘甲得到的数为x，转盘乙得到的数为y，构成数对（x，y），则所有数对（x，y）中满足xy＝4的概率为_________;