题目

阅读短文，判断句子正误。 Hello, boys and girls. My name is Peppa Pig. I am very fat(胖的). I have a long nose. It's pink(粉色的). I have two eyes. They are black. My mouth is red. How many fingers? Guess(猜)! I have six fingers. I'm very happy. （1） I am a pig. （2） I have a pink nose. （3） My eyes are blue. （4） I have five fingers. （5） I feel very happy.如图，⊙O的直径为10，圆心O到弦AB的距离OM的长为3，则弦AB的长是        。