从写作的角度来要求，对材料进行分析主要是为了对材料进行真伪辨别。
简述油气储运在国民经济中的地位。
Refer to the network shown below： R1 and R2 belong to the RIP routing domain that includes the networks 10.20.0.0/16 and 10.21.0.0/16. R3 and R4 are performing two-way route redistribution between OSPF and RIP. Anetwork administrator has discovered that R2 is receiving OSPF routes for the networks 10.20.0.0/16 and 10.21.0.0/16 and a routing loop has occurred. Which action will correct thisproblem？（） ["Set the OSPF default metric to 20","Apply an inbound ACL to the R2 serial interface","Configure distribute-lists on R3 and R4","Change the RIP administrative distance on R3 to 110","Change the OSPF administrative distance on R3 to 110","None of the other alternatives apply"]
有机溶剂对酶催化有何影响？
在投标报价中，当承包商无竞争优势时，可采用无利润算标的情况有（）。 ["得标后，将大部分工程分包给索价较低的一些分包商","希望二期工程中标，赚得利润","希望修改设计方案","希望改动某些条款","较长时期内承包商没有在建工程，如再不中标，就难以生存"]
城市社会空间分异
