票汇业务和托收业务都是商业信用，所以使用的都是商业汇票。
桩身完整性包含哪些指标（） ["桩的承载能力","桩身界面尺寸的相对变化","桩身材料密实性","桩身材料的连续性","桩周土的分界面"]
Certkiller .com has a domain controller that runs Windows Server 2008. The Certkiller .com network boosts 40 Windows Vista client machines. As an administrator at Certkiller .com， you want to deploy Active Directory Certificate service （AD CS） to authorize the network users by issuing digital certificates. What should you do to manage certificate settings on all machines in a domain from one main location（） ["Configure Enterprise CA certificate settings","Configure Enterprise trust certificate settings","Configure Advance CA certificate settings","Configure Group Policy certificate settings","All of the above"]
单片透明玻璃的传热系数K值就与同样厚度PVB夹层玻璃相比（）。 ["A.小 ","B.大 ","C.相同 ","D.没有结论"]
简述系统分析的工作步骤。
简述影响团体凝聚力的因素。
