河漫滩平原常常形成于：[ ]
A．河流上游山前地带
B．河流中游地带
C．河流下游地带
D．河源地带
答案：B
--- What do you think of the dress?
--- Wonderful. I don’t think I can find a ________ one.
A．good
B．bad
C．better
D．worst
下列可作为VisualBasic变量名的是（）。
A.A#A
B.A
C.？Xy
D.constA
