火车刹车后 7 s 停下来，设火车匀减速运动的最后 1 s 内的位移是 2 m ，则刹车全过程中的位移是多少米？
24.5m
—I want to know how you react ________ my lecture.
—On the whole, it's very excellent, but I react strongly
________the thoughts on human nature.
A．to; with
B．to; against
C．with; against
D．against; with
女，42岁，患者主诉接触性出血3个月。检查：外阴 * * 未见异常，宫颈中度糜烂，子宫附件正常。
应首先进行哪项检查（）
A.血常规
B.宫颈刮片
C.B超
D.肿瘤标记物测定
E. * * 镜
