President Roosevelt&39;s words turned the sinking of the American fleet at Pearl Harbor into a national rallying cry instead of a humiliating national scandal.
A. discouraging
B. disastrous
C. disgraceful
D. destructive
查看答案
Chinese enterprise managers and business educators are now exploring the potential of the
A. extracting
B. exposing
C. examining
D. expanding
A.lookB.qualityC.neverthelessD.ease
A. look
B. quality
C. nevertheless
D. ease
一井下巷道刷大前净断面为17.6m2，刷大后掘进断面为23.62m2，净断面为21.32m3，请以辅助费定额子目【0311】，定额基价30103元/10m为例(不考虑其他调整因素)，求出巷道刷大并支护辅助费？
微信支付 
支付宝支付