单项选择题 建筑物内的管道井，其建筑面积计算说法正确的是______A、不计算建筑面积B、按管道井图示结构内边线面积计算C、按管道井净空面积的1/2乘以层数计算D、按自然层计算建筑面积

单项选择题 Plow Co purchased 3,500 of the 10,000 6.50 per share.Styre Co's profit after tax for the year ended 31 July 20X5 was 0.50 per share on 31 December 20X4. What is the carrying amount of the investment in Styre Co in the consolidated statement of financial position of Plow Co as at 31 July 20X5?

单项选择题 8.ZPW-2000A型移频自动闭塞2600-2的载频频率为2600-1.3=2598.7Hz。 A、正确 B、错误