信号装置的额定电压不应超过(),并需设立独立信号电源变压器和信号指示灯。
A.36
B.120
C.127
D.220
参考答案:C
纳税人、扣缴义务人、纳税担保人或其它当事人以现金交纳税务代保管资金的,税务机关应当当场开具《税务代保管资金专用收据》,并按限期、限额(期限和额度由各省级税务机关确定)的规定及时汇总存入税务代保管资金账户,但“限期”最长不超过()天。
A.3
B.5
C.7
D.10
Only after Mary read her composition the second time ____ the spelling mistake.
A.did she notice
B.she noticed
C.does she notice
D.she has noticed