A:(3,2)
B:(2,3)
C:(-3,-2)
D:(-2,-3)
化学用语是我们学习化学的重要工具,下列化学用语书写正确的是()
- Tom, I'll invite you to have ______ lunch after playing ______ violin.
- Thank you.
战国末期,秦打败赵国的关键一战是( )