患者女性,35岁,反复脓血便5年余,伴腹痛,有疼痛-便意-便后缓解的规律,每日腹泻4~5次,查体左下腹有压痛,便细菌培养阴性,初步诊断()
A. 道功能紊乱
B. 溃痞性结肠炎(中度)
Crohn病
D. 肠癌
E. 结肠癌
出血坏死型胰腺炎的Cullen征是指()
A. 胁腹皮肤呈灰紫色斑
B. 脐周皮肤呈灰紫色斑
C. 胁腹皮肤呈青紫
D. 脐周皮肤青紫
E. 脐周皮肤红斑
在班轮运价表内标示“M”表示( )。
A. 按货物重量计价
B. 按货物体积计价
C. 按货物质量计价
D. 按货物重量或体积收费较高者计算单位运价
Too often teachers' ______ with parents involve complaints about children's misbehaviors and laziness.
A. acquaintances
B. association
C. conference
D. consultations