C0[sub]2[/]气体保护焊使用的焊丝直径可分为（）和（）两种。

float f[][][] = new float[3][][]；  float f0 = 1.0f；  float[][] farray = new float[1][1]；  What is valid？（） A:  f[0] = f0； B:  f[0] = farray； C:  f[0] = farray[0]； D:  f[0] = farray[0][0]；

What is the Cost of Goods Sold using the Weighted Average Method 未知类型：{'options': ['[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]A. $3604.02. [/tr][/]', '[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]B. $2918.00. [/tr][/]', '[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]C. $4142.00.[/tr][/]'], 'type': 102}

年报应于年度终了后( )报出。 未知类型：{'options': ['[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]A．1个月 [/tr][/]', '[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]B．2个月 [/tr][/]', '[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]C．3个月 D_4个月[/tr][/]'], 'type': 102}

Which of the following is least likely to be considered an off balance sheet debt 未知类型：{'options': ['[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]A. Take-or-pay contract. [/tr][/]', '[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]B. Capital lease. [/tr][/]', '[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]C. Sale of receivables.[/tr][/]'], 'type': 102}

已知[X]补=0.111 1110，则[X]原等于______。 A: 0 B: 0 C: 0 D: 1

Professional organizations of accountants and auditors that establish financial reporting standards are called: 未知类型：{'options': ['[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]A. Regulatory authorities. [/tr][/]', '[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]B. Financial services authorities. [/tr][/]', '[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]C. Standard setting bodies.[/tr][/]'], 'type': 102}

If a firm chooses a capital lease over an operating lease, it can expect to have a: 未知类型：{'options': ['[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]A. lower debt-to-equity ratio. [/tr][/]', '[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]B. higher debt-to-equity ratio. [/tr][/]', '[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]C. higher return on assets.[/tr][/]'], 'type': 102}

Changes in a bond's cash flows associated with changes in yield would be reflected in the bond's: 未知类型：{'options': ['[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]A. modified duration. [/tr][/]', '[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]B. effective duration. [/tr][/]', '[TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"][TBODY][tr][TD vAlign=top]C. macaulay duration.[/tr][/]'], 'type': 102}

a=[1 2 0;1 0 5];b=[0 2 3;1 5 0];c=a|b，则c等于