根据句意及汉语提示完成单词

①There is a bus ____ (车站) in our town (城镇). 

② —Is this a big ____ (旅馆)?

—Yes, it is.

③My mother and my aunt are ____ (警察) .

④ —What's your father's job?

—He is a hotel ____ (经理).

⑤Daming's mother is a ____ (护士) in a hospital.

—         is it today?

— It's Monday.

如图，AB是⊙O的直径，点C、D在⊙O上，AD∥OC且∠ODA=55°，则∠BOC等于（　　）

 如图为叶片横切面的结构示意图，请据图回答问题：