地球大气最重要的能量来源是（）。
四个“铁一般”是指（）。 ["铁一般信仰","铁一般信念","铁一般纪律","铁一般担当"]
人力资源最重要的指标集中体现为员工个人的（） ["政治素质","体力水平","心理素质","智力水平"]
经过强制隔离戒毒后又吸食、注射毒品的，可实行（）。 ["社区戒毒","自愿戒毒","劳教戒毒","强制隔离戒毒"]
Which frame field do error detection schemes view to perform their function?（） [" ERR"," Flag"," FCS"," MTU"," MAC"," PDU"]
蛋白
