My position has been obtained （） astro

1、A position that is obtained by applyin

A position that is obtained by applying estimated current and wind to your vessel’s course and speed is a(n)（）.Adead reckoning positionBestimated positionCfixDNone of the above

2、A position that is obtained by applyin

A position that is obtained by applying estimated current and wind to your vessel’s course and speed is a(n) （）.Aestimated positionBdead reckoning positionCfixDNone of the above

3、My father has been on the salary sched

My father has been on the salary schedule in this factory for nearly 20 years.Apay packetBpayoffCpayrollDpayment

4、A position obtained by crossing lines

A position obtained by crossing lines of position taken at different times and advanced to a common time is a(n)（）.Arunning fixBdead-reckoning positionCfixDestimated positio

5、My ship has been delayed（）poor visibil

My ship has been delayed（）poor visibility.AbecauseBin reason ofCowing toDfor

6、A position that is obtained by using t

A position that is obtained by using two or more intersecting lines of position taken at nearly the same time，is a(n) （）.AfixBrunning fixCestimated positionDdead-reckoning positio