题干
—Smoking brings me a lot of ideas. —Stop that！After all， is more important than health.
A：nothing
B：something
C：anything
D：everything
答案(点此获取答案解析）
A
—Smoking brings me a lot of ideas. —Stop that！After all， is more important than health.
A：nothing
B：something
C：anything
D：everything
规定
取
三个值中的最小值，则函数