下列偏瘫患者从床上转移至轮椅，不正确的做法是（） 将轮椅靠于健侧，锁住刹车。 轮椅与床成90°角。 健手抓住轮椅扶手，支撑站起。 站起后，健手换抓住轮椅的另一侧扶手。 屈双膝，慢慢坐到轮椅上。
钎探是根据（）来判断土的软硬情况及有无古井、古墓、洞穴、地下掩埋物等。 钎孔大小。 用力大小。 锤击次数。 入土深度。 人土难易程度。
and the command line： java -Dprop.custom=gobstopper Commander Which two， placed on line 13， will produce the output gobstopper？（） System.load（"prop.custom"）；。 System.getenv（"prop.custom"）；。 System.property（"prop.custom）；。 System.getProperty（"prop.custom"）；。 System.getProperties（）.getProperty（"prop.custom"）；。
You set the recovery window to seven days and the backup optimization to ON using the CONFIGURE command of Recovery Manager （RMAN）. The most recent backup of the TOOLStablespace to disk was taken on January 3. The TOOLStablespace is read-only.On February 21， when you execute a command to back up all the tablespaces to disk， you find that RMAN backs up the TOOLS tablespace also， even though the contents of the tablespace have not changed after the backup on January 3. Because there are no changes made to the TOOLStablespace， you decide that the tablespace should not be backed up by RMAN. What can you do to skip backing up the TOOLStablespace without changing the current backup optimization setting？（） configure a default device for RMAN backups。 temporarily disable the retention policy for RMAN backups。 configure automatic channel allocation for RMAN backups。 use the CONFIGURE command to reconfigure the recovery window to 60 day。
You work as a database administrator for Certkiller .com. You are using three database， Certkiller DB01， Certkiller DB02， and Certkiller DB03， on different host machines in your development environment. The database serverconfiguration， such as IP address and listener port number， change frequently due to development requirements， and you havethe task of notifying the developers of the changes. Which connection method would you use to overcome this overhead？（） Host naming。 Local naming。 Easy Connect。 External naming。 directory naming。
塞柄结合器顶杆作用是（）
