内痔最简单而实用的检查方法是（）。
A.直肠指诊
B.肛门镜检
C.直肠活检
D.X线钡剂灌肠
E.以上均不是
参考答案：A
No other salesmen could know how to increase sales，but soon Tim________a good solution.[ ]
A．came up with
B．caught up with
C．kept up with
D．put up with
防范金融危机的主要对策有哪些
