大众体育能够促进社会精神文明建设具体表现有：（） ["培养良好的思想道德品质","提高人们的体育文化素养","活跃业余文化生活","增进友谊、促进团结"]
what is URPF？
气压式制动系产生制动力的元件是（）。 ["液压油","制动器","制动踏板","车轮"]
按所反映的现象性质不同，指数可分为（）。 ["定基指数和环比指数","个体指数和总指数","综合指数和平均指数","数量指数和质量指数"]
What is the default behaviour of PIM-SSM If there are multiple equal-cost paths to the multicast source？（） ["It will send the join only to the neighbor with the highest IP address.","It will send the join only to the neighbor with the lowest IP address.","It will send the join in a round-robin fashion across all neighbors.","It will send the join to all neighbors."]
什么类型样品需要去除高丰度蛋白？我们采取什么策略去除高丰度蛋白？
