千家诗收录的是什么?
轴系效率的大小取决于() ["船舶的吨位和推进主机的功率","推进主机的技术状况和转速","船舶的负荷和航速","轴系的形式和技术状态"]
某电力用户最大需量拆表指示数为0.45,倍率为2000,换表后,新表指示数为0.25,倍率为4000,试问该户本月份最大需量千瓦数应按()计收? ["900","1000","1800","1900"]
脊髓损伤患者,不是导致痉挛的双下肢肌张力增加的因素是()。 ["膀胱充盈","饥饿","尿路感染","下肢挤压","直肠充盈"]
He is() at doing this kind of job. ["imefficient","nonefficient","unefficient","inefficient"]
“口有蜜、腹有剑”讲的是谁?