下列各项中属于企业留存收益项目的有（）。
A.实收资本
B.利润分配
C.资本公积
D.盈余公积
参考答案：B, D
在平面直角坐标系中，点P（-1，1）关于x轴的对称点是______．
He usually goes to school by bus, but he______ the bus yesterday. [ ]
A. didn't took
B. didn't take
C. not took
D. took
