设{an}是首项大于零的等比数列,则“a1<a2”是“数列{an}是递增数列”的[ ]
A.充分而不必要条件
B.必要而不充分条件
C.充分必要条件
D.既不充分也不必要条件
答案:C
Last Sunday, our class took part in the Volunteers’ activities小题1: _______(组织)by ourselves. We were divided into four groups. Group 1 went to the People’s Park, 小题2:_________ they planted trees and watered flowers,小题3:_________the park more beautiful. Group 2 made小题4:e______ to clean the bus station thoroughly and it took小题5: _________ a new look. Group 3 helped小题6:r_______ money in the street for more poor children to小题7:a______ their schooling fees. Group 4 put on wonderful小题8:__________(表演)at the old people’s home. After the activities we were all tired小题9: _________ very happy. Not until then did we realize deeply that it was better to 小题10:_________ than to receive
筹资循环包括哪些主要业务活动?在办理具体业务时,主要应用哪些账户和凭证?