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名词解释题
菌株（Strain）
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A synthetic mooring line is being heaved on a capstan．There is moderate strain on the line．The line begins to slip．Which of the following should be done？Ⅰ．Stop the capstan and take extra turns．Ⅱ．Have more than one seaman keep a substantial strain on the line and continue heaving easy．A.ⅠonlyB.ⅡonlyC.Both Ⅰand ⅡD.Neither Ⅰ nor Ⅱ
考题
The preventer guy，as used on a conventional yard and stay rig，______．A.Is rigged at an angle of 70° to 90° from the guy it assistsB.Takes the strain imposed on the schooner guy when burtoning cargoC.Is rigged when lifting cargo that exceeds the SWL of a single whipD.Should take the strain if the regular guy parts
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将F+菌株和F-菌株杂交，Hfr菌株与F-菌株杂交，F’菌株与F-菌株杂交，受体菌F-菌株经过三种杂交后，分别为（）菌株A、F+，F-，F+B、F+，F+，F-C、F+，F-，F-D、F-，F+，F-
考题
单选题Thrillers and action movies only succeed if they do not strain our ______ too much.A
credenceB
credulityC
credibilityD
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考题
单选题A wire rope that has been overstrained will show（）.A
a bulge in the wire where the strain occurredB
a decrease in diameter where the strain occurredC
a kink in the wire where the strain occurredD
no visible effects of an overstrain
考题
单选题Once a towline is connected between the towing vessel and the disabled vessel，the towing vessel should（）.A
not exceed bare steerageway during the transitB
take a strain as soon as you can to control the towC
come up to speed very slowly and maintain a safe speedD
come up to speed quickly，then cut back power considerably to ease the strain
考题
单选题The latch of a safety hook（）.A
increases the strength of the hookB
prevents the sling ring from coming out of the hook if the strain is abruptly easedC
prevents the sling ring from coming out of the hook if there is a strain on the sling ringD
All of the above
考题
单选题The preventer guy，as used on a conventional yard and stay rig，（）.A
is rigged at an angle of 70°to 90°from the guy it assistsB
takes the strain imposed on the schooner guy when burtoning cargoC
is rigged when lifting cargo that exceeds the SWL of a single whipD
should take the strain if the regular guy parts
考题
单选题When checking a mooring line，you should（）.A
ensure the bight is not fouled between the ship and the dock by taking up slackB
pay out slack smartly and keep free for runningC
secure more turns to hold the line against any strain，then clear the areaD
surge the line so that it maintains a strain without parting
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