第6题:[单选题] In practice,it is usual for the ship to be loaded _______ to improve the vessel's movement through the water. A. a little deeper aft B. a little deeper forward C. at the same draught between fore and aft D. a balance between two sides 参考答案:A 【参考译文】实际上,船舶通常尾倾一些以提高船舶对水移动(的能力)。 【解 析】a little deeper aft尾倾一些improve提高
第20题: [单项选择]有关球囊导管的说法中,哪项错误() A. 球囊由聚乙烯制成,可耐受较高压力(608~810kPA. B. 球囊直径有多种规格,常用20~30mm直径的球囊 C. 球囊长度3~10cm,导管长度75~100cm D. 食管扩张球囊导管结构同于血管成形术的Gruntzig球囊导管 E. 直径12~18mm球囊用7F导管鞘,直径20mm球囊用14F导管鞘 参考答案:E