女性，30岁，因服呋喃丹若干后呕吐、出汗、流涎半小时被人送医院急诊。可用来解毒的是
A．阿托品B．纳洛酮C．乙酰胺D．维生素K1
参考答案：A
There are two spare rooms upstairs, ________ measures five meters across.
A．the larger of them
B．the larger of that
C．the larger of which
D．the larger of whom
IP数据报的源路由选项分为两类，一类为严格源路由，另一类为______源路由。
