—Can you lend me the book Passing by Your World?
—Sorry. I returned it to the library just now. Maybe it is still ________.
A:available
B:possible
C:saleable
荡来荡去 ____ ____ ____
温度/℃
10
20
30
40
50
60
果汁量/mL
2
3
4
5
6
肾脏的结构和功能的基本单位是( )