题目内容

最大静摩擦力的大小与接触面上的法向反力成反比。

A. 正确
B. 错误

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新建锅炉投入运行的必备条件包括()、()、()。

利用企业与其发生联系并受其影响的集体或个人之间的关系进行促销的方式属于()

A. 广告
B. 人员推销
C. 营业推广
D. 公共关系

有机肥料是含有有机物质,既能提供农作物多种(),又能培肥改良土壤的一类肥料。

A. 有机养分
B. 无机养分
C. 无机和有机养分
D. 矿质营养元素

An existing master-slave setup is currently using a delayed replication of one hour. The master has crashed and the slave must be "rolled forward" to provide all the latest data. The SHOW SLAVE STATUS indicates the following values: RELAY_LOG_FILE =hostname-relay-bin.00004 RELAY_LOG_POS = 1383 Which command set would make the slave current?()

A. Gtid_mode must be set to AUTO during point in time recoveries
B. Mysqlbinlog ignores arguments to – exclude-gtids-it means ignore all events with GTIDs
C. The server keeps track of which GTIDs have already been executed and skips those
D. Enforce_gtid_consistency is set to ON

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