2018年6月英語四級閱讀答案：試卷二仔細閱讀2（新東方版）

51C They all experienced terrible misfortunes. 
52.B The utmost comfort passengers could enjoy.
53A It was a mere piece of decoration. 
54D The belief that they could never sink with a double-layer body.
55.Dshe was retired after her naval service.