【单选题】
Currents are（）in rate and direction.
A、vary
B、variable
C、variably
D、variability
查看正确答案A、from B、on C、in D、of
搜题
更多“Currents are（）in rate and direction.”相关的问题
第3题
A、adverse currents for practically the entire crossing B、favorable currents for practically the entire crossing C、favorable currents in the summer months and adverse currents in the winter months D、variable currents having no significant effect on the total steaming time
第5题
A、create large waves in the direction of the current B、change direction 360°during a 24 hour period C、remain fairly constant in direction and velocity throughout the year D、are characterized by a light green color
第6题
A、installing rat guards on the mooring lines when in port B、keeping foods protected and avoiding the accumulation of garbage C、eliminating possible living spaces for rats when the ship is constructed D、trapping and/or poisoning the rats
第7题
A、induced magnetism in the vessel's horizontal soft iron B、change in the magnetic field when the vessel inclines from vertical C、permanent magnetism of the vessel D、magnetic fields caused by electrical currents in the vicinity
第8题
A、Central North Atlantic Ocean B、Caribbean Sea C、Western North Pacific Ocean D、area off the west coast of South America
第9题
A、只能在空中放出RAT，只能在地面收起RAT B、可在空中放出和收起RAT，可在地面放出和收起RAT C、可在空中放出和收起RAT，可在地面收起RAT D、可在空中放出RAT，可在地面放出和收起RAT
