题目内容

()是指为满足消费者个人或家庭生活需要而购买商品或劳务所形成的市场。

A. 产业市场
B. 消费者市场
C. 生产者市场
D. 制造者市场

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卷烟产品可能是一套属性、一种价值,但好的卷烟品牌则是一种生活方式、一种生活态度、一种人生追求。

A. 正确
B. 错误

下列各类炉型中,设计生产设计生产能力最大的是()。

A. SRT-Ⅲ
B. SRT-Ⅵ
C. USC
D. GK-Ⅵ

Which two statements are true about checkpointing()

A. The checkpoint frequency decreases with the smaller redo log file size.
B. It ensures that all committed data is written to the data files during normal shutdown.
C. The frequent full checkpoint in a database can cause the overall degradation of the database performance.
D. It prompts the Checkpoint (CKPT) process to write data to the data files and redo information to the online redo log files.

经纬仪测定两点间的水平距离,其相对误差为()。

A. 1/100~1/200
B. 1/200~1/300
C. 1/300~1/400
D. 1/400~1/500

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