题型:名词解释 The prices of the apartments downtown were _____ high so we ______ gave up the idea of buying one there and chose to live in the suburb.A.constantly; approximatelyB.generously; purposefullyC.extremely; eventuallyD.frequently; unfortunately 查看答案
题型:名词解释 某三相发电机每相绕组电压为220V,在连接成Y形时,如果误将两相绕组的末端X、Y与另一相的首端C连成一点(中点),此时电压UBC等于( )V。A.220 B.380C.127 D.190 查看答案