食欲减退,脘腹胀满,嗳腐吞酸,属
A.脾胃虚弱
B.脾湿不运
C.食积内停
D.脾胃湿热
E.肝胆湿热
参考答案:C
在正方体ABCD-A1B1C1D1的各顶点与各棱中点共20个点中,任取2点连成直线,若在这些直线中任取一条,则这条直线与对角线BD1垂直的概率为( )。
I bought my younger sister a toy with my pocket money,________that is cheap but beautiful.
A.one
B.the one
C.this
D.that