腹腔穿刺液为血性浑浊考虑为（）
A．急性阑尾炎穿孔腹膜炎
B．胆总管囊肿穿孔腹膜炎
C．绞窄性肠梗阻
D．实质性脏器损伤
E．肠伤寒穿孔
参考答案：C
--Have you decided where to go for your summer vacation?
--Not yet. We_________ go to Mount Lu. It is a good place for vacation.
A．may
B．should
C．need
D．must
纺织品出口自动许可证实行“一批一证”和“一证一关”管理。
