十字花科通常为（）花序，伞形科常为（）花序，菊科为（）花序。
参考答案：总状；复伞形；头状
下列图例表示不正确的是（ ）
A．⊙居民点
B．
公路
C．
水库
D．
沙漠
It was after he got what he had desired he realized it was not so important. [ ]
A. that
B. when
C. since
D. as
