一个西瓜有许多粒种子,这取决于( )
A.一朵花中有许多子房
B.一朵花中有许多雌蕊
C.一个子房中有许多胚珠
D.一朵花中有许多雄蕊
答案:C
Mulan is exciting movie. It comes from old Chinese story.
A.an; an
B.a; an
C.an; a
D.a; a
褐变