【单选题】Variation is defined as the angle ______.
A.
between the direction of true (geographic) north and the direction of the meridian between the magnetic poles.
B.
between the magnetic north and vessel's course
C.
between the vessel's heading and the magnetic north
D.
between the compass north and the magnetic north
【单选题】 9、下表的数据表明我国 项目 1952年 1957年 增长率(%) 钢(万吨) 135 535 296 生铁(万吨) 193 594 208 粮(万吨) 16392 19505 19
【单选题】()是维护国家安全与发展的重要的战略举措,无论是应付战争威胁还是应对紧急突发事变,都离不开它。
【单选题】If the old are left to do as much as they can for themselves, ______.
A.
they may keep human dignity and enjoy the respect of the fellows
B.
they won't feel hurt or humiliated
C.
they will be able to develop their brains and muscles
D.
they will be able to keep their minds and muscles active
【简答题】EXIST IN MUCH GREATER CLEARNESS PROVIDE FOR HUMAN WANTS THAT EVEN IN THE MASS AND BODY WITH TIMES AND CIRCUMSTANCES A. THE LIBERTIES AND THE RESTRICTIONS VARY (68)______ B. WHICH MAY AND DO EXIST IN T...
【单选题】大量海难事故的统计分析表明,海事事故中有 %与人为因素有关,这充分说明了人为因素是导致海上事故的主要原因。
【单选题】骶管麻醉时,确定骶管裂孔位置的骨性标志是
【单选题】()是维护国家安全与发展的重要的战略举措,无论是应付战争威胁还是应对紧急突发事变,都离不开它。
【单选题】国防动员是维护国家安全与发展的重要的战略举措,无论是应付战争威胁还是应对紧急突发事变,都离不开()。