一个不会宽容,只知苛求别人的人,其心理往往处于紧张状态,从而导致(),使心理、生理进入恶性循环。
A. 神经兴奋
B. 血管收缩
C. 血压升高
D. 血压降低
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因为(),容易把物体的状况看错,大脑必然会根据错误的信息,发出错误的指令,人也就会作出的错误动作而造成事故。
A. 亮度不足
B. 亮度偏高
C. 亮度太高
在Excel中,()是函数MIN(2,5,FALSE)的执行结果。
A. 2
B. 3
C. -1
D. 0
企业风险是指未来的不确定性对企业实现其经营目标的影响。下列关于企业风险的表述中,正确的是()。
A. 企业风险与企业战略相关
B. 风险是最有可能的结果
C. 风险既具有客观性,又具有主观性
D. 风险总是与机遇并存
You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application. You want to make sure that the application is operative to any type of database. What should you do?()
A. Set the database driver name in the connection string of the application, and then the connection object as follows: DbConnection connection = new OdbcConnection(connectionString);
B. Create the connection object as follows: DbProviderFactory factoryDbProviderFactories.GetFactory(databaseProviderName); DbConnection connection =factory.CreateConnection();
Create the connection object as follows: DbProviderFactory factory = DbProviderFactories.GetFactory("System.Data.Odbc"); DbConnection connection = factory.CreateConnection();
D. Set the database driver name in the connection string of the application, and then the connection object as follows:DbConnection connection = new OleDbConnection(connectionString);