正方形的边长扩大2倍，面积扩大____倍

圆的周长等于直径乘圆周率

读岩石圈物质循环示意图，图中数码表示变质作用的是（　　）

A

    Ann is a basketball star. She is 18 years old. She usually gets up at six o'clock. She eats breakfast at seven. Ann and her friends usually play basketball from eight to twelve o'clock. At twelve o'clock she has lunch. School starts at two o'clock, she plays basketball again. At six thirty she has dinner. Ann usually does her homework at eight. At nine thirty she watches TV. Ann usually goes to bed at eleven. Basketball is her life!

根据短文内容,判断句子正误。

1. 从0~10共11个数字中任取一个，取出数字是奇数的可能性是（  ____  ）