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【简答题】
计算机网络,是指将地理位置不同的具有独立功能的多台计算机及其外部设备,通过通信线路连接起来,在网络操作系统,网络管理软件及网络通信协议的管理和协调下,实现( )和( )的计算机系统。
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【简答题】Select the most appropriate statement. (1)(  ) The issuing bank must use an advising bank. (2)(  ) The issuing bank may use an advising bank. (3)(  ) Single window credit is not acceptable. (4)(  ) No...
【判断题】The negotiating bank must be designated in the L/C.
A.
正确
B.
错误
【单选题】Mother always told him to _______ fire.
A.
keep up with
B.
keep out
C.
C keep away
D.
D keep away from
【单选题】If the reimbursement instruction written on the payment order is expressed as ‘in cover, please debit our A/C with you’, the A/C relationship between the remitting bank and the paying bank must be ( ...
A.
the paying bank maintains an A/C with remitting bank
B.
the remitting bank maintains an A/C with paying bank
C.
both remitting bank and paying bank maintain their A/Cs with a third bank
D.
remitting bank and paying bank have their A/Cs with two different bank
【单选题】Mother didn't tell me ______
A.
A if you will see me off at the station
B.
whether you will see me off at the station
C.
C if you would see me off at the station
D.
that you will see me off at the station
【单选题】Tommy:Mommy,when will we have dinner?I‘m starvin9. Mother:__________.We have to wait for Daddy.
A.
Soon,honey
B.
Quickly,honey
C.
OK,honey
D.
All right,honey
【多选题】s7-200系列PLC的存储单元有 、 、 和 四种编制方式
A.
B.
字节
C.
D.
双字
【多选题】S7-200系列PLC在存储单元存放的数据类型有?
A.
布尔型
B.
整数型
C.
双整数型
D.
实数型
【多选题】S7-200系列PLC的存储单元有( )种编址形式
A.
B.
字节
C.
D.
双字
【简答题】简述玻尔理论对原子结构认识的贡献和玻尔理论的地位与不足 .
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