某校举行以“保护环境.从我做起”为主题的演讲比赛,经预赛,七、八年级各有上名同学进入决赛,九年级有两名同学进入决赛,前两名都是九年级同学的概率是( )。
This reflects the priority being attached to economic over political activity, partly caused by a growing reluctance to enter a calling blighted by relentless publicity that all too often ends in destroying careers and reputations.
A.divine summons
B.political career
C.profession
D.business transaction
太平斧是能够提供高压绝缘保护的带柄斧头,其手柄应设有绝缘层.