治血热之血淋、尿血，下列何药为首选：
A．大蓟
B．小蓟
C．地榆
D．槐花
E．侧柏叶
参考答案：B
________the good old days，he couldn’t help smiling.
A．Looking back at
B．Looking on
C．Looking forward to
D．Looking into
在读8020007300时，共要读出几个零？[ ]
A．1
B．3
C．0
