题干
The power station was built on the river with our village and some others___ with electricity.
A：tosupply
B：supplied
C：supplying
D：havingsupplied
答案(点此获取答案解析）
B
2SO3 (g)；△H=－a kJ·mol－1在相同条件下，要想得到2a kJ热量，加入各物质的物质的量可能是（ ）
