题干
A：I like this doll. It can sing. It's cool.
B：I like this ball. It's red and white. It's nice.
答案(点此获取答案解析）
A
A：I like this doll. It can sing. It's cool.
B：I like this ball. It's red and white. It's nice.
，
中为无理数的是（ ）