This is her book.________is on the table. ( )
A:She
B:His
C:Her
— Oh, his father was angry with him and slapped him ____face.
How can the woman get to the post office?
城市下水道井盖丢失导致行人坠入下水道的悲剧时有发生,令人痛心。为此,某同学设计了一种警示电路:在井口安装一环形灯L,井盖相当于开关S;正常情况下(S闭合),灯L不亮;一旦井盖丢失(S断开),灯L即亮起,以警示行人。如图所示中电路符合要求的是( )