4岁妇女,孕40周,GP。因有规律性宫缩入院,入院后检查血压110/70mmHg,宫高36cm,腹围102cm,胎心音140次/分,阴道检查,宫口已开全,胎头s,胎头矢状缝与骨盆横径一致,小囟门在3点处,大囟门在9点处应诊断为?胎头方位应向哪个方向旋转才利于娩出?
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While using the smit install_remove menus to remove some filesets on an AIX 5.3 server, a system administrator notices the /usr filesystem is now unnecessarily large. Which of the following actions will reduce the size of the /usr filesystem ()
A. Backup, unmount, remove, recreate and restore the filesystem.
Boot from mksysb tape and select Shrink filesystems on restore.
C. Unmount, run defragfs /usr and the reducefs -size n /usr commands.
D. Update the /image.data file with the desired size for /usr and reboot the system.
在一般情况下,头发的pH值是()。
A. 7.5~8.5
B. 6.5~7.5
C. 5.5~6.5
D. 4.5~5.5
螺旋CT与普通CT相比,最重要的优势是:()
A. 扫描速度快
B. 图像可任意重建
C. 减轻运动伪影
D. 增加扫描覆盖范围
E. 得到三维数据信息