题目

阅读短文，完成下列各题。My new friendsHello, boys and girls. I'm Wu Binbin. I have two new friends today. Let's meet my friends.Hello, I'm Jack. I'm a boy. I'm 12 years old. I'm tall and strong. I'm from Shanghai. I like cars very much. Look, I have one. It's cool.Hello, I am Mary. I'm a girl. I'm 9 years old. I'm short and thin. I'm from Hangzhou. I have a gift. What's it? Guess! It's a toy animal. It has long ears and red eyes. It's white. （1） Who's Jack? A . B . （2） Who's Mary? A . B . （3） Wu Binbin has ________ new friends. A . 2 B已知a＞0，p：实数x满足x2-4ax+3a2＜0，q：实数x满足不等式lg（x-2）＜0的解集为R．（Ⅰ）若a=1p且q为真命题时，求实数x的取值范围；（Ⅱ）若p是q的必要不充分条件，求实数a的取值范围．