味涩质粘收敛止血，治疗肺胃出血的药是（）
A.槐花
B.地榆
C.白芷
D.白及
E.白茅根
参考答案：D
一British engineer，Tim Berners-Lee_______the idea of the World Wide Web in 1989．
一You’re right，and the World Wide Web is 25 years old this year．
A．caught up with
B．got along with
C．came up with
沟通长江流域与珠江流域的重要水道是[ ]
A．郁江
B．浔江
C．灵渠
D．南江
