对外开放作为建设中国特色社会主义的一项基本国策，是由（）首先提出来的。 ["胡锦涛","邓小平","江泽民","毛泽东"]
脱氧核酶的催化活性除了RNA切割活性之外，还有（） ["外切酶活性","N-糖基化活性","连接酶活性","DNA戴帽和激酶活性","甲基化酶活性"]
钢筋的弯曲性能为按规定的弯芯直径弯曲180°后，钢筋受弯曲表面允许产生裂纹。
You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a report which is often executed during business time. There is a stored procedure that is used as the data source for the report. You get a report from users saying that they receive the data returned by the report but the data is inconsistent. As the technical support, you check and find that phantom reads cause this problem. You must make sure that consistent data is returned by the report while not affecting other users. So what action should you perform to achieve this goal?（） ["You should configure the database for Read Committed Snapshot isolation. ","You should modify the stored procedure to use the Snapshot isolation level ","You should configure the database for Auto Update Statistics asynchronously ","You should modify the stored procedure to use the Repeatable Read isolation level"]
您编写一个名为Employee的类，该类包含以下代码段。 您需要在类型库中向COM公开此类。COM接口还必须便于在Employee类的新版本之间保持向前兼容。 您需要选择方法以生成COM接口。您应该怎么做？（） ["A","B","C","D"]
出口替代战略
