What was advertised as a safety feature that could prevent the ship from going down after a collision?
AThe ship's body was built by using the most advanced materials.
BSome sections in the ship could be blocked off quickly if there were holes.正確答案
CSeveral guest rooms were controlled by a single switch to make them unbreakable.
DThere were spaces specially designed to keep floating in case of emergency.
答案與詳解
