Who is responsible for the development of the ship security plan？________.
A. The company security officer
B. The classification society
C. The port facility security officer
D. The ship security officer
接受委托接受委托是指客户或者是企业对车辆进行价格评估，他需要找专业的评估师或者鉴定机构进行车辆鉴定。()
What is the purpose of the radar reflector？__________.
A. Making objects less visible
B. Making echoes weaker on the radar
C. Making large echoes smailer
D. Making small objects better visible
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