题目内容

小型露天采石场必须依法参加工伤社会保险,为从业人员交纳工伤保险费、养老保险,社会公积金等项目。

A. 正确
B. 错误

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You are managing an ASM instance. You previously issued the following statements: ALTER DISKGROUP dg1 DROP DISK disk2; ALTER DISKGROUP dg1 DROP DISK disk3; ALTER DISKGROUP dg1 DROP DISK disk5; You want to cancel the disk drops that are pending for the DG1 disk group. Which statement should you issue?()

ALTER DISKGROUP dg1 UNDROP disk2,disk3,disk5
B. ALTER DISKGROUP dg1 UNDROP
C. ALTER DISKGROUP dg1 UNDROP DISKS
D. You cannot cancel the pending disk dro

空气离子化

生产社会化就是指生产的社会化。

A. 正确
B. 错误

高速钢刀具磨损的最常见形式是()。

A. 相变磨损
B. 磨粒磨损
C. 扩散磨损
D. 黏结磨损

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