A：电势相等的地方，场强必定相等；
B：在场强处处相等的地方，电势不一定相等；
C：场强为零的点，电势必定为零；
D：在负点电荷形成的电场中，离电荷越近，电势越高，场强则越小。
We have classes from Monday to F____ .
My sister enjoys l____ to pop music.
I’m s____ for taking your pen by mistake.
The little boy cried s____ when his best friend moved to another city.
Lily has a good h____ of reading English stories every day.
人类的行为，如____、____、____、____等会破坏生态平衡。
改革开放后，深圳从边陲小镇变成为初具规模的现代化城市；1988年以来，海南经济迅速发展，正在建设成为国际旅游岛。这两地的发展都得益于（ ）
