A.清明、白露、霜降 B.白露、寒露、霜降 C.谷雨、寒露、霜降 D.驚蟄、白露、寒露
A.20 B.30 C.50 D.100
A.社會(huì)經(jīng)濟(jì)發(fā)展服務(wù) B.農(nóng)業(yè)生產(chǎn)服務(wù) C.發(fā)展區(qū)域經(jīng)濟(jì)服務(wù) D.城鄉(xiāng)經(jīng)濟(jì)發(fā)展