
【名词&注释】
直升机(helicopter)、救生艇(boat)
                            
                                                                                         
                                                                    
                                                                     [单选题]The depth of the ship below the waterline measured vertically to the lowest part of the hull is called
                                                                                                
                                  A. trim 
  B. lean 
  C. draft 
  D. tonnage 
 
                                    
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                                                                    举一反三:
                                                                    
                                                                         
                                    
                                     [单选题]Diesel engines are started by supplying_____into the cylinders in the appropriate sequence for the required direction.
                                                                                                            
                                            A. cooling water 
  B. compressing air 
  C. compressed air 
  D. cylinder oil 
 
                                                                    
                                    
                                     [单选题]机舱沾油的棉纱,因堆放不善,易产生_________。
                                                                                                            
                                            A. 闪燃。 
  B. 受热自燃。 
  C. 本身自燃。 
  D. 点燃。 
 
                                                                    
                                    
                                     [单选题]难船为直升机显示吊运区位置的标注是:
                                                                                                            
                                            A. 白色E 
  B. 白色H 
  C. 白色F 
 
                                                                    
                                    
                                     [单选题]救生艇的乘员定额应不超过:
                                                                                                            
                                            A. 100人 
  B. 120人 
  C. 150人 
 
                                                            
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