A:B 的M层电子数是K层的3倍
B:C 的离子具有与 Na+相同的电子层结构
C:A 与 D 形成的化合物属于离子化合物
D:C 的简单阴离子比 D 的简单阴离子还原性强
⑴Where is Jimmy?____
⑵What are the sheep doing?____
⑶What are you doing?____
⑷What is Amy doing?____
⑸Is he playing ping-pong?____
A. Yes, he is.
B. He is in the classroom.
C. She is singing and dancing.
D. I'm walking.
E. They're running on the grass.
在戊戌变法的法令中,属于文化教育的内容是( )