近年来,全国各地公安机关加大了对各种涉税行为的打击力度。公安机关对涉税行为的打击,主要体现了税收特征的[ ]
A、强制性
B、无偿性
C、法制性
D、固定性
答案:A
消防靴是消防员的()装具。
A、登高
B、防护
C、破拆
D、侦察
In enterprises, the gateway is the computer that (67) the traffic from a workstation to the outside network that is serving the Web pages. In homes, the gateway is the (68) that connects the user to the internet.
A.finds
B.searches
C.routes
D.tracks