古罗马万民法的适用范围是（ ）
唐朝诗人皮日休曾说：“（大运河）北通涿郡之渔商，南运江都之转输，其为利也博哉！”由此可看出隋朝开凿大运河的意义是（ ）
The fire started on the second floor and it wasn't long ______ the whole building was burned down.
具有优良的耐油、耐高温性能，合成丁腈