单项选择题
Integrated Bridge and Navigation Systems(IBS/INS) provide excellent performance and reliable navigation under all conditions by（）.
A.integrating well-proven, harmonizing equipment B.integrating all equipment in the bridge C.an intelligent platform with ECDIS and Radar D.the control center based on ECDIS
单项选择题 The lowest point between two waves is called（）.
单项选择题 In summer, monsoon over the South China Sea blows from（）.
单项选择题 As to the torn bags,I’ll tell the shipper to（）them up.
