（Ⅰ）若命题p为真命题，求实数a的取值范围；

（Ⅱ）若“p且q”为真命题，求实数a的取值范围．

    There are three people in Yang Yang's family. They like different kinds of food. Yang Yang likes rice a lot. But she doesn't like chicken at all. Her father is from Shanxi. He doesn't like rice at all. He likes chicken and bread very much. Her mother is from Dalian. She doesn't like rice or bread at all. But she likes fish and vegetables a lot. They love each other and help each other.