【单选题】元朝的行省“掌国庶务,统郡县,镇边鄙,与都省为表里,……凡钱粮、兵甲、屯种、漕运,军国重事,无不领之”。这表明元朝的行省() ①仅是地方行政机构,只有行政权②是中央派驻地方,管理地方的机构,具有多种权力 ③是加强君主的一种形式④行省权力很大,代表中央行使权力
【单选题】I'd like to share a stor y ________ music overcomes a physical barrier and makes a connection with a young student. [ ]
【单选题】某水泵装置在运行时的流量为102L/S,扬程为20.0m,轴功率为27KW,该水泵的运行效率为近似( )。
【单选题】The epiphyte plants of the rain forest use trees for physical support but do not, like______ , sap nutrients from their hosts.
【单选题】某水泵装置在运行时流量为102L/S,扬程为20.0m,轴功率为27KW,则该水泵的运行效率近似()
【单选题】The seaman moved like dancing on the deck because ______.
A.
he was doing some physical exercise
B.
that was the best way to keep balance
C.
the deck was uncomfortable to stand on
D.
he wanted to attract the watchers' attention
【单选题】某水泵装置在运行时流量为102L/S,扬程为20.0m,轴功率为27KW,则该水泵的运行效率近似( )