一个圆柱和圆锥的体积相等，圆柱的底面积是圆锥的一半，圆锥的高是9厘米，圆柱的高是[ ]
A．6厘米
B．3厘米
C．9厘米
答案：A
SUPPLEMENTARY INSTRUCTIONS1. Calculations and workings need only be made to the nearest RMB.2. All apportionments should be made to the nearest month.3. All workings should be shown.TAX RATES AND ALLOWANCESThe following tax rates and allowances are to be used in answering the questions.
ALL FIVE questions are compulsory and MUST be attempted
某项目建设工期为2年，第一年初投资500万元，第二年初投资800万元，投产后年净现金流量为200万元，项目计算期为20年，基准折现率为5%，则此项目的财务净现值为( )万元。
A．757.75
B．858.73
C．918.82
D．964.76
ALL FIVE questions are compulsory and MUST be attempted
