以下有关光学漫微镜和电子显微镜分辨率的描述，正确的是（） ["光学显微镜的分辨率能达到1nm","光学显微镜能观察到多数病毒","电子显微镜的分辨率能达到0.1nm","电子显微镜能观察到蛋白与核酸分子"]
This is to advise you that MV Water Way arrived at Sheerness at 1000 hours on May 14th and the formalities for entering the port were passed at 1040 hours on the same day.Now she is in all respects ready and fit to discharge her cargo of grain in bulk. Theses sentences are likely to appear in（）. ["Declaration of Deadweight Tonnage of Cargo","Notice of Demurrage","Notice of Despatch","Notice of Readine"]
The highest pressure in any closed diesel engine freshwater cooling system is at the （）. ["jacket water outlet","expansion tank inlet","heat exchanger inlet","cooling water pump outlet"]
关于胆固醇的描述正确的是（） ["细胞质膜的内外小叶均有分布","仅分布在细胞质膜的外小叶","胆固醇是各种生物体细胞质膜的固有成分","胆固醇是细胞质膜中脂筏的基本结构组分之一"]
信用卡吞卡保管期限为（）。 ["吞卡后三个工作日","吞卡后四个工作日","7个工作日","三个月"]
影响加压蒸汽灭菌效果的因素有哪些？
