搜题请搜索小程序“爱下问搜题”
问题 单项选择题 A1/A2型题

应用最普遍、效果最可靠的灭菌方法是（）

A.煮沸法

B.紫外线照射法

C.消毒剂浸泡法

D.消毒剂熏蒸法

E.高压蒸气灭菌法

答案

参考答案：E

解析：目前高压蒸气灭菌法还是应用最普遍、效果最可靠的灭菌方法，当蒸气压力达到104～137.3kPa时，温度可达121～126℃，持续30分钟就可以杀灭包括芽孢在内的一些微生物。

单项选择题

Panel和Applet的默认的布局管理器是（ ）。

A．CardLayout

B．BorderLayout

C．HowLayout

D．GridLayout
查看答案
单项选择题 共用题干题

A requirement is simply a statement of what the system must do or what characteristics it needs to have. Requirements written from the perspective of user and focus on user needs are called (1). Requirements written from the developer's perspective and describe how the system will be implemented are called (2). Requirements evolve from detailed statements of the business capabilities that a system should have to detailed statements of the technical way in wluch the capabilities will be implemented in the new system. Requirements can be either functional or nonfunctional in nature. For example, during the analysis phase of travel vehicles sales system, the system that must have the ability to search for available inventory is (3). The requirement that the system should be able to work on any Web browser belongs to (4). That customer personal information is protected in compliance with the Data Protection Act is a requirement of (5).

空白（4）处应选择（）

A.functional requirement

B.technical requirement

C.operational requirement

D.information requirement
查看答案