什么是跨学科研究，试举例说明。
During the IPv6 address resolution，a node sends a neighbor solicitation message in order to discover which of these？（） ["The Layer 2 multicast address of the destination node","The solicited node multicast address of the destination node","The Layer 2 address of the destination node based on the destination IPv6 address","The IPv6 address of the destination node based on the destination Layer 2 addre"]
我们藉这（）的血得蒙救赎，过犯得以赦免，乃是照他（）的恩典。
MQC的3个步骤？
下列指标属于数量指标的是（）。 ["人均粮食生产量","人均粮食消费量","粮食平均亩产量","粮食总产量"]
HPLC分级的标准及作用是什么？是否组分越多通量越高？
