A.甲市為緩解經(jīng)濟(jì)壓力,規(guī)定應(yīng)急預(yù)案能不演練就不演練 B.乙區(qū)要求區(qū)政府有關(guān)部門每半年演練一次專項(xiàng)應(yīng)急預(yù)案 C.丙縣照搬照抄外省P縣應(yīng)急預(yù)案 D.丁區(qū)開展應(yīng)急預(yù)案演練后對(duì)預(yù)案暴露的問題進(jìn)行修訂完善
A.特別重大事故 B.重大事故 C.較大事故