当外接站点需要经由总线电缆供电时,可通过2、7引脚提供不小于()的电流。
A.100mA/5V
B.100mA/24V
C.200mA/5V
D.200mA/24V
参考答案:B
—Xiaoming, you are late again, can you tell me why?
—I was on the half way when it _______to me that I had left my notebook at home, so I have to fetch it.
A.hit
B.thought
C.occurred
D.struck
某国有商业企业2001年度的销售收入为5 000万元,全年发生业务宣传费50万元。根据《企业所得税税前扣除办法》的规定,该企业2001年度准予在税前扣除的业务招待费为 ( ) 万元。
A.40
B.60
C.18
D.50