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【单选题】

If a port is in fact unsafe,it()irrelevant that well-informed men might have erroneously pronounced it to be safe.

A、provides

B、has

C、contains

D、is

更多“If a port is in fact unsafe,it()irrelevant that well-informed men might have erroneously pronounced it to be safe.”相关的问题
第1题

A、the Second Mate and the Master must testify as to the facts of the assault  B、the case will be dismissed if the logbook entries are improperly made  C、the logbook entry is prima facie evidence of the facts if it complies with the law  D、the logbook is inadmissible if the logbook entries do not conform to the law  

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第2题

A、the Second Mate and the Master must testify as to the facts of the assault  B、the case will be dismissed if the logbook entries are improperly made  C、the logbook entry is prima facie evidence of the facts if it complies with the law  D、the logbook is inadmissible if the logbook entries do not conform to the law  

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第3题

Aat current price at the nearest main bunkering port  B、at current price at the port of redelivery if it is not available to obtain the current price at the nearest main bunkering port  C、at current price at the nearest main bunkering port if it is cheaper than that at the port of redelivery  D、at current price at the port of redelivery if it is obtainable,even the price is higher at the nearest main bunkering port  

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第5题

AA dynamically learned MAC address is saved in the startup-configuration file.  B、A dynamically learned MAC address is saved in the running-configuration file.  C、A dynamically learned MAC address is saved in the VLAN database.  D、Statically configured MAC addresses are saved in the startup-configuration file if frames from that address are received.  E、Statically configured MAC addresses are saved in the running-configuration file if frames from that address are received.  

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第7题

A、switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security maximum 1  B、switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security mac-address 1  C、switch(config-if)#switchport mode access switch(config-if)#switchport port-security maximum 1  D、switch(config-if)#switchport mode access switch(config-if)#switchport port-security mac-address 1  

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第8题

AA.In times of heavy weather, it is extremely dangerous if a seaman is not enough tall  B、B.In times of heavy weather, it is extremely dangerous if a crew is very short  C、C.In case of bad weather, it is particularly dangerous if there is a shortage in personnel  D、D.In case of bad weather, it is particularly dangerous if there are enough personnel  

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