题目内容

新安装的转动机械试运行时间不少于24h。

A. 正确
B. 错误

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变质岩的构造有变余构造、()、块状构造和条带状构造。

粗苯组成和苯的用途?

以下内容构成整个合同无效的有()。

A. 合同内容所订立的事项违背国家法律
B. 合同中有部分合同条款故意造成一方损失
C. 格式合同
D. 以免除企业为员工上保险为目的的劳动合同

Evaluate the following command and its output: SQL>SELECT * FROM dba_temp_free_space; TABLESPACE_NAME TABLESPACE_SIZE ALLOCATED_SPACE FREE_SPACE LMTEMP 250609664 101048576 149561088 Which two statements correctly interpret the output?()

A. FREE_SPACE indicates only the space that is currently unallocated.
B. ALLOCATED_SPACE indicates only the space currently allocated and in use.
C. FREE_SPACE indicates only the space that is currently allocated and available for reuse.
D. ALLOCATED_SPACE indicates both the space currently allocated and used,and the space that is available for reuse.
E. FREE_SPACE indicates both the space that is currently allocated and available for reuse,and the space that is currently unallocated.

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