You administer a SQL Server 2008 instance. You plan to deploy a new database that has the following capacity requirements: 275 GB for the database data file; 50 GB for the transaction log file. The storage array has six 100-GB disk drives available for the database. The disks are attached to a redundant array of independent disks (RAID) controller that supports RAID levels 0, 1, 5, and 10. The write performance of the transaction log needs to be maximized. The database and transaction log files must be protected in the event of a drive failure. You need to design the storage system. Which storage configuration should you use?（）

A、A single RAID 5 volume

B、A single RAID 10 volume

C、A RAID 0 volume and a RAID 5 volume

D、A RAID 1 volume and a RAID 5 volume

缺铁性贫血时骨髓铁染色示（）。

A、一般正常

B、轻度减少

C、铁消失

D、轻度增多

E、明显增多

一份有关吸烟与肺癌关系的病例对照研究结果显示，χ=11.20，P

A、病例组肺癌患病率明显大于对照组

B、病例组发生肺癌的可能性明显大于对照组

C、对照组发生肺癌的可能性明显大于病例组

D、对照组肺癌的患病率明显大于病例组

E、不吸烟者发生肺癌的可能性明显小于吸烟者

You are a database administrator for your company. The company uses a SQL Server 2005 application. Each night， data is imported into a database， and the database is then set to be read-only. During business hours， users run predefined and ad hoc queries. You need to monitor the servers performance during the day. What are two possible ways to achieve this goal？（）

Use the Lock Waits/sec performance counter.

Use the Number of Deadlocks/sec performance counter.

Use the Transactions/sec performance counter.

Use the Full Scans/sec performance counter.

Use the Batches/sec performance counter.

You are a database administrator for your company. The company uses a vendor company’s application that is based on a proprietary database. You query data from the application database and import the data into a SQL Server 2005 database. The application vendor provides you with a new OLE DB driver to be used when querying the application database. Company policy prohibits connections between the SQL Server database and the application database， except when querying this data. You need to provide a way to query data from the application database. What should you？（）

A、Configure a Linked Server connection to the application database.

B、Write a query that uses an OPENDATASOURCE command.

C、Write a query that uses an OPENQUERY command.

D、Configure a Remote Server connection to the application database.

成熟中性粒细胞碱性磷酸酶的积分值参考值为（）。

A、7～10

B、7～20

C、7～30

D、7～40

E、7～51