()固定装置螺栓是离心泵运行时产生振动与噪音的处理方法之一。
A、减少
B、拧松
C、拧紧
D、增加
参考答案:C
Question 8 and 10 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each of the following questions.Now listen to the news.
Which of the following sentence is wrong about Mayo and village life in Ireland
A.Mayo is a very wild county.
B.In villages around Ireland coming to the pub is a primary entertainment.
C.It’s very easy for you to feel part of the crowd.
D.Because of the wild environment, you should go to bed early at night.
ESBLs确证试验中,判定菌株产生ESBLs,头孢他啶/棒酸与头孢他啶,头孢噻肟/棒酸与头孢噻肟的抑菌环直径应相差()。
A.≤5mm
B.≥5mm
C.≥8mm
D.≥10mm
E.≥25mm