A:老爷
B:大人
C:先生
D:陛下
-____, Alice.
You have no idea what I've had to ______ in finding the proper job in the last few months.
如图,AB是⊙O的直径,BC⊥AB,垂足为点B,连接CO并延长交⊙O于点D、E,连接AD并延长交BC于点F.则下列结论正确的有( )
①∠CBD=∠CEB;②BDBE=CDBC;③点F是BC的中点;④若BCAB=32,tanE=10-13.