求由平面x=0，y=0，z=0，x+y=1及抛物面z=x2+y2所围成的曲顶柱体的体积．
参考答案：设D：x≥0，y≥0，x+y≤1 [*]
HFM合并系统的C3维度选择“OtherAuditAdjs–本地准则单户审计调整（未结转）”，会影响以下哪个准则（）
A、HKGAAP
B、PRCGAAP
C、HK和PRCGAAP
D、不影响任何准则
Without electronic computers, much of today’s advanced technology______achieveD．
A．will not have been B．have not been C．would not have been D．had not been
