题目

阅读理解Hello, boys and girls. My name is LindaMiller. My first name is Linda. My last name is Miller. Nice to meet you!Look! This is my jacket. It's red Hi, I'm Jack. My family name is Green.Look! This is my clock. It's white and black. That is my pen. It's blue. Good morning! My name is Lucy King. Lucyis my first name. King is my last name. Nice to meet you! This is my jacket.It's yellow. （1） ____ is a boy. A . Linda Miller B . Jack Green C . Lucy King D . Linda Green （2） She is Lucy King. What color is her jacket? A . It's black and white. B . It's yellow. 函数的定义域为（ ）A．[1，2）∪（2，+∞）B．（1，+∞）C．[1，2）D．[1，+∞）