疖、痈的常见致病菌为A．金黄色葡萄球菌 B．β-溶血性链球菌 C_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

疖、痈的常见致病菌为

A．金黄色葡萄球菌

B．β-溶血性链球菌

C．大肠杆菌

D．真菌

E．产气荚膜杆菌

答案

参考答案：A

填空题

读下面一段短文，根据上下文意思用方框内所给词或短语填空；选项中有一个多余选项。

got in having shout terrible ended up without

A man in England had a _________ (1) experience (经历) with ah elevator at his Office. After
he _________ (2) the elevator, it broke and he was trapped (受困的). The man tried to __________
(3) for help, but it was a holiday so no one was in the building. He ___________ (4) staying in the
elevator for more than sixty hour __________ (5) any food or water.

问答题简答题

计算题：试计算OY/3─0.00275耦合电容器在最高运行电压下的电流值。由题目可知额定电压Ue=220KV，耦合电容C=0.00275×10^-6F。