Theroutingsystemwhichaimedatreducingtheriskofcasualtiesiscalledas（）.
A. trafficseparationschemes
B. recommendedtracks
C. precautionaryareas
D. inshoretrafficzones
Theportinwhichcreworpassengersgoonboardtheshipiscalled（）.
A. portofcall
B. portofembarkation
C. portofdestination
D. portofdisembarkation
创建一个新的GTK窗口结构的函数是（）。
A. gtk_init
B. gtk_windows_new
C. gtk_widget_show
D. gtk_main
Themostimportantprincipleinthecargostowageis（）.
A. toavoidtherearrangementofthecargoloadedonboard
B. toensurethesafetyoftheshipandcargo
C. torejectthedamagedcargoduringloadingoperation
D. topreventthespontaneouscombustionofthecoalandgrain
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