手部开放性损伤中切割伤的特点是（）手部开放性损伤中刺伤的特点是（）手部开放性损伤中撕脱伤的特点是（）
A. 创口无任何规律可循
B. 创口小而深，可损伤深部组织
C. 创口整齐，污染较轻，但出血多
D. 可有皮肤脱套伤，肌腱被拉出，骨骼可能破坏
E. 创口不规律，伴有多发性骨折和内在肌挫伤
查看答案
Your company has an active directory forest that has five domains. All DNS servers are domain controllers. You need to ensure that users from all domains are able to access a web server named App1 by browsing http://App1. What should you do?（）
A. Configure and enable DFS-R on the App1 Web Server.
B. Create a host (AAAA) record for the App1 Web server in the DNS zone for the forest root domain.
Create a zone named GlobalNames on a DNS server. Replicate the GloballNames zone to all domain controllers in the forest. Create a host (A) record for the App1 Web server in the zone.
D. Create a zone named LegacyWNS on a DNS server. Replicate the LegacyWNS zone to all domain controllers in the forest. Create a host (A) record for the App1 Web server in the zone.
某商业大楼，地上6层，建筑高度30米，每层建筑面积1250平方米，设置有两部楼梯间，两部电梯，采用地下水池作室内消防水源。回答下列问题：该建筑至少应设（）部消防电梯。
A. 1
B. 2
C. 3
D. 4
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