利用开炸山石方作为路基填方,每1m3压实方需要天然密实体积为()m3。 ["小于1","大于1","等于1","无法确定"]
“诗言志”体现了古人对文学作用的基本认识,它出自于() ["两汉时期的《诗大序》","《尚书·尧典》","曹丕的《典论·论文》","钟嵘的《诗品》"]
企业在进行收益分配时应当体现投资与收益对等的原则。
钒钛磁铁矿条件
A Windows Communication Foundation (WCF) solution exposes the following contract over an HTTP connection.[ServiceContract]public interface IDataService{ [OperationContract] string GetData();}Existing clients are making blocking calls to GetData. Calls to GetData take five seconds to complete.You need to allow new clients to issue non-blocking calls to get the data, without breaking any existing clients. What should you do?() ["

","

","Generate a proxy class with asynchronous methods and use it for the new clients"," Add a new endpoint to the service that uses a full-duplex binding and use it for the new clients."]
情感障碍