目前唯一明确的诱发胶质瘤和脑膜瘤的危险因素是()。
A. 食品内亚硝胺类物质
B. 外伤
C. 电离辐射
D. 应用移动电话
E. 化学染发剂
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A user reports a corrupted boot logical volume. In order to recreate the contents of the boot logical volume which of the following procedures should the user be advised to perform?()
A. Reboot the system in normal mode.
B. Use the bosboot command to rebuild the boot image.
C. Restore the boot logical volume from a mksysb image.
D. Reboot the system into maintenance mode and run fsck on the boot logical volume.
理财规划师关注的技巧可以用SOLER表示,其中S表示()。
A. 保持适当的距离
B. 采取一种开放的姿势
C. 向客户倾斜
D. 保持眼神的交流