【简答题】会计账簿登记,必须以经过审核的会计凭证为依据。( )
【单选题】会计账簿登记,必须以经过审核的( )为依据。
【判断题】HZ系列组合开关可以频繁地接通和断开电路,换接电源和负载。
【简答题】会计账簿登记,必须以经过审核的会计凭证为依据。( )
【单选题】According to the passage, why is acid rain called royal water?
A.
Because it can dissolve gold which is the symbol of royalty.
B.
Because it seldom happens and is regarded as precious.
C.
Because 'royal' indicates the level of difficulty in acid rain prevention.
D.
Because this problem has aroused the attention of royalty.
【简答题】会计账簿登记,必须以经过审核的会计凭证为依据。 ( )
【简答题】会计账簿登记,必须以经过审核的会计凭证为依据。 ( )
【单选题】由字符0和1构成且长度为偶数的全部字符串的DFA,至少需要几个状态?