出血坏死性胰腺炎的特点是______
A．恶心、呕吐 B．腹上区疼痛 C．发热、白细胞升高D．血尿淀粉酶升高 E．血钙降低
参考答案：E
安全运维服务给销售人员带来的价值不包括（）.
A.增加销售业绩
B.挖掘用户潜在需求
C.为未来项目获取更多机会
D.实时了解安全态势
They considered ___ a computer, which was considered ___ a great help in their work.
A．to buy; to be
B．buying; being
C．to buy; being
D．buying; to be
