邦威尔(Bonwill)三角的边长为
A．10cm
B．10.16cm
C．10.26cm
D．10.36cm
E．10.46cm
参考答案：B
22. –Jinlin Hotel. Can I help you?
--Do you have a room ________ for this weekend?
A．sensitive
B．present
C．available
D．Absent
林木种子
