题目内容

经过静态混合器的油压力()。

A. 上升
B. 下降
C. 不变
D. 不确定

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开引风机前不必进行的是()。

A. 检查引风机油位是否正常
B. 检查风道是否畅通
C. 全开烟道挡板
D. 关闭引风机出口档板

男,43岁,上腹部饱胀不适2年。胃液分析,提示胃酸分泌降低。胃镜活检:胃窦粘膜萎缩,Hp(+),可见肠上皮化生和轻度不典型增生。可能的诊断为()

A. 慢性浅表性胃炎
B. 癌前病变
C. 早期胃癌
D. 慢性萎缩性胃炎
E. 消化性溃疡

Your company has a main office and two branch offices. Domain controllers in the main office host an Active Directory-Integrated zone. The DNS servers in the branch offices host a secondary zone for the domain and use the main office DNS servers as the DNS Master servers for the zone. Each branch office has an application server. Users access the application server by using its fully qualified domain name. You need to ensure that users in the branch offices can access their local application server even if the WAN links are down for three days. What should you do?()

A. Increase the Expires After setting to 4 days on the Start of Authority (SOA) record for the zone.
B. Increase the refresh interval setting o 4 days on the Start of Authority (SOA) record for the zone.
Configure the Zone Aging / Scavenging Properties dialog box to enable Scavenge State resource records, and set the refresh setting to 4 days.
D. Configure the Zone Aging / Scavenging Properties dialog b ox to enable Scavenge Stale resource records, and set the No-refresh interval setting to 4 days.

C1q结合法测定循环免疫复合物方法的原理是()PEG法测定循环免疫复合物方法的原理是()类风湿性因子试验测定循环免疫复合物方法的原理是()胶固素结合试验测定循环免疫复合物方法的原理是()

A. 免疫复合物溶解度特性改变
B. 细胞表面的补体受体能吸附已结合补体的免疫复合物
C. 免疫复合物可结合补体
D. 免疫复合物中IgGFe段能与抗变性IgG抗体结合
E. 免疫复合物分子大小政变

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