如图是一朵花的主要部分及传粉后的变化情况示意图,请分析回答:
—Good morning. I'd like to make an appointment _________ next Wednesday afternoon.
Our country has established diplomatic relations with ____ ____ 100 countries.
“日出江花红胜火,春来江水绿如蓝.”江水泛绿是由于下列哪类植物大量繁殖引起的( )
aA(g)+
bB(g) ⇌
2C(1.0g0)
起始(mol/L)
3.0
1.0
0
2 s末浓度(mol/L)
1.8
0.6
0.8
据此可推算出上述反应化学方程式中,各物质的化学计量数之比是( )