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【单选题】

If the coxswain of your lifeboat gives the command HOLD WATER you should().

A、complete the stroke,raise your oar slightly,swinging the oar slightly forward,and place it in the boat

B、lift the oar in a vertical position

C、complete the stroke and hold the oar out of the water

D、dip the blade of your oar into the water vertically and hold it perpendicular to the keel line

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第1题

A、If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, it will  B、If the destination IP address in the outer IP header of ESP does not match the IP address of the ingress interface, it will  C、If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, based packet.  D、If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, based of inner header, it will decrypt the packet.  

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第2题

A、if x>0 then y=1 else if x=0 then y=0 else y= -1  B、if x>0 then y=1 else if x<0 then y= -1 else y=0  C、if x>=0 then if x=0 then y=0 else y= -1 else y=1  D、if x<>0 then if x<0 then y= -1 else y= 1 else y=0  

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第3题

A、<y) body="">if (x>y);  B、if (x= =y) x+y;  C、if (x! = y) cin>>x else cin>>y;  D、if(x<y) {x++;y++;}y)>  

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第4题

A、The job will be dropped automatically if the value of the AUTO_DROP attribute is TRUE  B、The job will only be disabled if the value of the AUTO_DROP attribute is FALSE  C、The STATE attribute of the job will be set to COMPLETED if the value of the AUTO_DROP attribute is FALSE  D、All objects referenced by the job will be dropped if the value of the AUTO_DROP attribute is TRUE and the value of the CASCADE attribute is TRUE  E、The STATE column of the job table will be set to COMPLETED for the job  

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第5题

A、kept in a locker  B、secured at each end of the boat with a lanyard  C、kept next to the boat coxswain  D、kept in the emergency locker on the ship and brought to the lifeboat when needed  

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第6题

A、A.increases the strength of the hook  B、B.prevents the sling ring from coming out of the hook if the strain is abruptly eased  C、C.prevents the sling ring from coming out of the hook if there is a strain on the sling ring  D、D.All of the above  

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第8题

A、If the blue ends of the magnets are aft,and the fore-and-aft tray is at the top,you should add some magnets.  B、If the blue ends of the magnets are aft you should lower the fore-and-aft tray  C、If the blue ends of the magnets are aft,and the fore-and-aft tray is at the top,you should reverse the magnets  D、If the blue ends of the magnets are forward,and the fore-and-aft tray is at the bottom,you should add some magnets  

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第9题

A、placed in a fixed bracket when being used  B、clamped to any position convenient for the coxswain to see it  C、permanently mounted on the lifeboat's centerline  D、mounted in the center of the boat to eliminate deviation  

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