单项选择题

主管人类荷尔蒙分泌的系统是：
A、消化系统
B、泌尿系统
C、内分泌系统
D、心血管系统

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单项选择题

在Kafka中，下列那条命令可以查看Topic具有多少个分区？（）

A.kafka-topics.sh-create
B.kafka-topics.sh-alter
C.Kafka-topics.sh-descryibe
D.kafka-topics.sh-list

单项选择题

During August, a factory commenced work on 20,000 units. At the start of the month there were no partly finished units but at the end of the month there were 2,000 units which were only 40% complete. Costs in the month were $3,722,400. How many equivalent units of closing WIP were there in the month?
A、20000
B、2000
C、18000
D、800