出血坏死型胰腺炎时的Cullen征是指()。
A.胁腹部皮肤呈灰紫色斑
B.脐周皮肤呈灰紫色斑
C.胁腹皮肤青紫
D.脐周围皮肤青紫
E.脐周皮肤红斑
参考答案:D
–What do you think of _____ dress in the shop window?
–Oh, it’s beautiful. You may give it to Linda as _____ birthday present.
A.a; a
B.the; a
C.a; the
D.the; the
NEC合同体系的核心条款中包括()。
A、质量
B、工期
C、所有权
D、测试与缺陷
E、风险和保险