题干
I do hope so because I want you to live ________ as I have.
A：as long and healthy a life
B：as a long and healthy life
C：as long and a healthy life
D：so long and healthy a life
答案(点此获取答案解析）
A
内随机取出两个数，则这两个数的平方和也在区间
满足对于任意
都有
且
则
=（ ）