下面这个sub过程的功能是统计字符串中“a”的个数,请在空白处填上合适的代码完成程序。 private sub numcount() dim hum as integer s$ = "software and hardware" num = len(s$) for i = 1 to hum b$=______ if b$ = "a" then x = x 1 next i print "x="; x end sub
you may best turn a twin-screw vessel about,to the right,in a narrow channel by using _.
for full information regarding the current circulation of the indian ocean, ______ sailing direction, current atlas, etc.
while underway your vessel approaches a bend in a river where, due to the bank, you cannot see around the bend. you should ______
a sailing vessel is proceeding along a narrow channel and can safely navigate on inside the channel. the sailing vessel approaches a vessel engaged in fishing in the narrow channel. which statement is true?
2019年12月18日大写为:贰零壹玖年拾贰月拾捌日。
vessel must be______duly qualified officers and crew.
以下情形会被认为构成侵权或者不正当竞争的是()。
risk of collision may exist ______.
the ship’s draught forward is as same as her draught aft. this condition is named as_____.
when there is not a chief officer on board, ______should keep and write up the ship’s logbook.
是股份有限公司通过发行股票向社会公众筹集资金的市场
the entries in the official logbook must be signed by the master and ______.