[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fwNAW6YYTbAbcA-LSNCWVDFvyk1YauxdShpj38oB_ck4":3},{"id":4,"source":5,"question":6,"options":7,"answer":12,"related":13,"type":24,"origin":117,"createTime":26},270140643,"v1","What defines a great circle? ( )",[8,9,10,11],"A curved line drawn on a Mercator Chart","A course line that inscribes a loxodromic curve","The shortest distance between any two points on the earth","The smallest circle that can be drawn on the face of a sphere",[],[14,27,37,47,57,67,77,87,97,107],{"id":15,"source":5,"question":16,"options":17,"answer":22,"related":23,"type":24,"origin":25,"createTime":26},270140553,"Every new supplement to the Sailing Directions _______ the previous one. ( )",[18,19,20,21],"enforces","cancels","corrects","replenishes",[],[],0,null,"2025-12-17T17:33:34+08:00",{"id":28,"source":5,"question":29,"options":30,"answer":35,"related":36,"type":24,"origin":25,"createTime":26},270140557,"The velocity of the apparent wind can be more than the true wind, and come from the same direction, if certain conditions are present. One condition is that the _____.( )",[31,32,33,34],"ship's speed must be less than the true wind velocity","true wind must be from dead astern","true wind velocity must be faster than the ship's speed","true wind must be from dead ahead",[],[],{"id":38,"source":5,"question":39,"options":40,"answer":45,"related":46,"type":24,"origin":25,"createTime":26},270140558,"All straight lines represent great circle tracks on a chart based on a (n) _______.( )",[41,42,43,44],"Mercator projection","polyconic projection","orthographic projection","gnomonic projection",[],[],{"id":48,"source":5,"question":49,"options":50,"answer":55,"related":56,"type":24,"origin":25,"createTime":26},270140562,"When a buoy is in position only during a certain period of the year, where may the dates when the buoy is in position be found? ( )",[51,52,53,54],"Light List","Notices to Mariners","On the chart","Coast Pilot",[],[],{"id":58,"source":5,"question":59,"options":60,"answer":65,"related":66,"type":24,"origin":25,"createTime":26},270140565,"A tropical storm is building strength some distance from your ship. Waves are coming from the east, with periods increasing from 5 seconds to 15 seconds. The swell is from the east. Where was the storm when these new swells were generated? ( )",[61,62,63,64],"To the north of you","To the south of you","To the east of you","To the west of you",[],[],{"id":68,"source":5,"question":69,"options":70,"answer":75,"related":76,"type":24,"origin":25,"createTime":26},270140569,"It is dangerous to _______ in the N coast of France due to mines laid. ( )",[71,72,73,74],"anchor or fish","tow two vessels astern","cross the Dover Straight","get alongside",[],[],{"id":78,"source":5,"question":79,"options":80,"answer":85,"related":86,"type":24,"origin":25,"createTime":26},270140571,"Advise _______ your fishing gear. ( )",[81,82,83,84],"you recovery","you recover","you recovering","you recovered",[],[],{"id":88,"source":5,"question":89,"options":90,"answer":95,"related":96,"type":24,"origin":25,"createTime":26},270140573,"Alignment and light sectors used in Admiralty Sailing Directions are given seen from _______.( )",[91,92,93,94],"land","sea","vessel","air",[],[],{"id":98,"source":5,"question":99,"options":100,"answer":105,"related":106,"type":24,"origin":25,"createTime":26},270140577,"Which of the following weather report is of 12-24 hours period? ( )",[101,102,103,104],"Warning","Forecast","Synopsis","Depression",[],[],{"id":108,"source":5,"question":109,"options":110,"answer":115,"related":116,"type":24,"origin":25,"createTime":26},270140579,"Haze is not caused by _______.( )",[111,112,113,114],"forest fires","smoke from industrial areas","dust or sand storms","water droplets with the relative humidity more than 95%",[],[],{"courseName":118,"courseImg":119,"workName":120,"workId":120,"count":24,"courseId":121},"默认课程","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","","53e1d2ef4961cca8eea3e23969ad2cb9"]