公安机关行使公安权力是一种( )。
A．司法行为 B．执法行为C．守法行为 D．违法行为
参考答案：B
解析： 公安机关行使公安权力是一种执法行为。
He hurt his leg climbing the mountain; otherwise, he _____ the meeting.
A．will attend
B．had attended
C．would have attended
D．would attend
以下哪项不是水痘的临床特点( )
A．发热1～2天出疹B．可累及口腔等黏膜C．皮疹分布以四肢为主D．同期可见斑丘疹、水疱疹及痂疹E．疹退后多无瘢痕遗留
He hurt his leg climbing the mountain; otherwise, he _____ the meeting.