题目内容

生产中如何提高胡萝卜的播种质量？

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射孔时，静液柱压力大于地层压力称为负压射孔。

A. 正确
B. 错误

You have a stand-alone file server that runs Windows Server 2003 Service Pack 2 (SP2). The server has a shared folder that contains over 1,000 folders. The folders contain over 100,000 files. You need to create a batch file that modifies the permissions of all files that start with the string “report”. Which command should you include in the batch file? （）

Attrib.exe
B. Cacls.exe
C. Dsacls.exe
Dsmod.exe

按照要求，自由降落式救生艇每（）个月至少降落下水一次，如不可行，可延长至（）个月。

A. 3／6
B. 4／8
C. 6／12
D. 8／18

防在车场内安全事件发生该注意哪些？