混悬液中应加入
A．助溶剂
B．助悬剂
C．乳化剂
D．矫味剂
E．增溶剂
参考答案：B
解析：为提高混悬液的稳定性，应加入助悬剂。选B。
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
商业和服务业主要取决于周边环境和配套设施等方面是否方便。( )
