禁止跟踪出站调车的情况包括()。 ["降雾、暴风雨雪时","出站方向区间内有瞭望不良的地形或有连续长大上坡道(站名表由铁路局公布)","先发列车需由区间返回,或挂有由区间返回的后部补机","一切电话中断"]
合理的焊条直径与焊件的()有关。 ["形状","材料","厚度","硬度"]
成本分析的内容包括()。 ["评价成本计划的执行","多维度的盈利分析","业务量对利润的影响","单价对利润的影响"]
对食品流通企业从业人员的管理,主要分为()两大部分。 ["个人健康管理","岗位培训","最低学历要求"]
The father advised her to avoid the mistake made by many couples of marrying for the wrong reasons()he found the young man charming and intelligent. ["as though","even though","because of","due to"]
“春风得意间”出自唐代诗人孟郊的诗句,他当时是因为什么事这么高兴?