总包接收验视基本内容包括哪些?
交流接触器吸引线圈的工作电压在额定电压的()范围内应能保证吸合。 ["70%-90%","75%-95%","80%-100%","85%-105%"]
根据政策方案的(),可将政策方案分为机械式方案、分析式方案和创造性方案。 ["内容","作用的时间","优劣","获得方式"]
博士试验中,排除硫化氢的干扰,使用的是()溶液。 ["硫酸铬","硫酸镉","氯化镉","氯化铬"]
When did you see her? What () then? ["was she doing","did she do","is she doing","has she hone"]
战国诸国里面灭亡最迟,一直到秦二世元年,也就是公元前209年才灭亡的国家是哪个?