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【单选题】
TCP是传输控制协议,IP协议又称( )
A.
局域网协议
B.
广域网协议
C.
互连网协议
D.
内联网协议
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【简答题】Listen, fill in the following blanks. Presenter: There has been a lot of talk recently about 1 . In the past , our education was basically 2 . Currently, the reform is focusing on 3 . Schools a...
【单选题】How many parties are involved in a draft for the payment against a letter of credit? ( )
A.
Three. They are drawer, drawee and payee.
B.
Two. They are drawer and drawee.
C.
Three. They are issuer, presenter and payee.
D.
Four. They are drawer, drawee, payer and payee.
【简答题】Guitar Player Wanted Are you a lover of music? Can you play the guitar? Can you sing or dance? Welcome to our Sunshine Rock Band. Please call Mike at 5487-6598 or send an e-mail to sunshine@yahoo....
【单选题】How many parties are involved in a draft for the payment against a letter of credit? ( )
A.
Two. They are drawer and drawee.
B.
Three. They are drawer, drawee and payee.
C.
Three. They are issuer, presenter and payee.
D.
Four. They are drawer, drawee, payer and payee.
【单选题】下列有关于电阻串联的特点中,错误的是( )。
A.
各电阻顺序连接,流过同一电流(KCL)。
B.
总电压等于各串联电阻的电压之和(KVL)。
C.
串联电路的总电导等于各分电导之和。
D.
串联电路的总功率等于各分电阻功率之和。
【判断题】约束反力的方向,可以与约束所限制的运动方向相反,也可以与约束所限制的运动方向相同。
A.
正确
B.
错误
【简答题】Professor Amir Sherifi? Is he the one ________________book on marketing you recommended?2. We could not think of any particular reason ________________ the campaign was so unsuccessful.3. Zoe Revel...
【单选题】以下说法正确的是( )。
A.
利用手动操纵式的仿形装置,依靠操作者细心操作,劳动强度高
B.
利用弹簧弹力的仿形装置适用于模型轮廓面离中心固定点变化较大的场合
C.
利用重物重力的仿形装置在加工时,容易调节压力的大小
D.
利用液压装置的仿形装置,结构比较简单,造价低
【单选题】路由器R通过以太网交换机S和S2连接两个网络,R的接口、主机H和H2的IP地址与MAC地址如下图所示。若H向H2发送1个IP分组P,则H发出的封装P的以太网帧的目的MAC地址、H2收到的封装P的以太网帧的源MAC地址分别是
A.
00-a1-b2-c3-d4-62,00-1a-2b-3c-4d-52
B.
00-al-b2-c3-d4-62.00-al-b2-c3-d4-61
C.
00-1a-2b3c-4d-51,00-1a-2b-3c-4d-52
D.
00-1a-2b-3c-4d-51.00-a1-b2-c3-d4-61
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