当前我国的餐饮企业的组织形式有哪几种？
A solution provider has identified a number of risks with a configuration in a customer’s request for bid. What is the most appropriate action to take to mitigate those risks for the customer？（） ["Decide not to bid.","Provide a solution in the bid.","Provide a disclaimer in the bid.","Discuss options with the customer."]
血清结合珠蛋白测定，下列何项是不正确的（） ["电泳法","酶联免疫法","比色法","免疫电泳法"]
资产负债表主体结构包括（）。 ["资产","负债","所有者权益","盈余","利税"]
A customer has one mainframe and ten open system servers in their current environment. They plan to add the servers to an IBM DS8700 system with four array sites. How many extent pools should be created to provide the best resource utilization of the DS8700（） ["1","2","4","6"]
简述微生物在自然界氮循环中的作用。
