题目内容

健康危险因素评价技术的用途是研究()

A. 健康危险因素与慢性病发病率及死亡率之间的关系
B. 健康危险因素与急性病发病率及死亡率之间的关系
C. 健康危险因素与健康保护因素之间的相互作用规律
D. 健康危险因素与疾病发生的特异性
E. 健康危险因素对健康损害的机制

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一氧化碳中毒首选的抢救措施为()

A. 应用脱水剂
B. 应用利尿剂
C. 使用高压氧舱
D. 迅速离开中毒环境
E. 应用呼吸中枢兴奋剂

演习能使船上人员在应急时能:()。

A. 迅速逃生
B. 执行任务
C. 采取措施

A Windows Communication Foundation (WCF) service is self-hosted in a console application. The service implements the IDataAccess contract, which is defined in the MyApplication namespace. The service is implemented in a class named DataAccessService which implements the IDataAccess interface and also is defined in the MyApplication namespace. The hosting code is as follows. (Line numbers are included for reference only.) 01 static void Main(string[] args) 02 { 03 ServiceHost host; 04 ... 05 host.Open(); 06 Console.ReadLine(); 07 host.Close(); 08 } You need to create a ServiceHost instance and assign it to the host variable. You also need to instantiate the service host.Which line of code should you insert at line 04?()

A. host = new ServiceHost("MyApplication.DataAccessService");
B. host = new ServiceHost("MyApplication.DataAccess");
C. host = new ServiceHost(typeof(IDataAccess));
D. host = new ServiceHost(typeof(DataAccessService))

演戏时总指挥由谁担任:()。

A. 船长
B. 轮机长
C. 大副

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