单项选择题 When the old man ______ to walk back to his house, the sun ______ itseff behindthe mountain. A.started; had already hidden B.had started; had already hidden C.had started; was hiding D.was starting; hide
未知题型 下列属于银行附属资本的是( )。A.长期次级债券B.资本公积C.盈余公积###SXB
单项选择题 25.下列描述中正确的是( ) A.标准状况下,1mol任何物质的体积约为22.4L B.1mol任何气体的体积约为22.4L C.标准状况下,1mol任何气体的体积约为22.4L D.在相同状况下,1mol任何气体的体积约为22.4L