微机操作系统的系统配置文件名是（）。 A: CONFI B: SYS C: CONFI D: 001 E: AUTOEXE F: BAT G: CONFI H: DB

β is the ratio of _____. A: collector current to emitter current B: base current to collector current C: collector current to base current D: emitter current to collector current

The current ratio is measured as: A: current assets minus current liabilities. B: current assets divided by current liabilities. C: current liabilities minus inventory, divided by current assets. D: cash on hand divided by current liabilities. E: current liabilities divided by current assets.

The quick ratio is measured as: A: current assets divided by current liabilities. B: cash on hand plus current liabilities, divided by current assets. C: current liabilities divided by current assets, plus inventory. D: current assets minus inventory, divided by current liabilities. E: current assets minus inventory minus current liabilities.

Current liabilities are ______ from current assets to give net current assets.

The cash ratio is measured as: A: current assets divided by current liabilities. B: current assets minus cash on hand, divided by current liabilities. C: current liabilities plus current assets, divided by cash on hand. D: cash on hand plus inventory, divided by current liabilities. E: cash on hand divided by current liabilities.

Which of the following are correct descriptions of Current ratio A: Current assets-current liabilities B: Current assets/current liabilities C: How much of the total current assets is financed by current liabilities D: Inventory days +receivable days-payable days

The function of direct current regulated power supply is to input an alternating current power of 220volts, so that it can output __________.( ) A: alternating current 200 volts voltage B: direct current 24 volts voltage C: direct current 200 volts voltage D: alternating current 24 volts voltage

When there is a load, the main magnetic flux of the transformer is generated by ( ). A: Primary current I1 B: Secondary current I2 C: Primary current I1 andSecondary current I2 together D: Neither primary current I1 nor secondary currentI2

The voltage meter and current meter on the main switchboard shows ( <br/>). A: phase voltage and phase current of generator B: line voltage and line current of generator C: line voltage and line current of crane D: line voltage and line current of shore power