题干
The court hears about 120 cases a year; visitors are welcome to see a case ______.
A：argued
B：to be argued
C：to be arguing
D：being argued
答案(点此获取答案解析）
D
A：argued
B：to be argued
C：to be arguing
D：being argued
，今在两板正中央
处放一电荷
，则它受到的电场力大小为( )
