绞窄性肠梗阻腹痛的特点是（）
A.阵发性绞痛
B.持续性腹痛
C.持续性腹痛阵发性加重
D.放射性腹痛
E.逐渐加重的腹痛
参考答案：C
___genes,intelligence also depends on an adequate diet,a good education and a decent
home environment. [ ]
A. In exchange for
B. Except for
C. In addition to
D. Due to
婴儿湿疮有明显糜烂、渗出时，外用药应选用（）。
A.洗剂
B.软膏
C.溶液
D.粉剂
E.酊剂
