下列哪一项是区别动物种群中优势个体与从属个体的决定因子？（） ["攻击性","领域","和睦友好","认别"] Among the main propulsion units on board the ship with the same capacity, the lightest one is（）. ["steam engine","steam turbine","gas turbine","diesel engine"] 对公“双利丰”每（）为一个存款周期。 ["一天","七天","十天","一个月"] 焦炉移动机械走行开式齿轮一般采用（）润滑。 ["涂油","滴油","油池"] A decrease in barometric pressure is associated with all of the following except（）. ["rising warm air","proximity to a low pressure area","inward spiraling circulation","clear dry weather"] 在计算机中表示一个黑白像素的点，需要的存储空间是（）。