翻译：孟子曰：“人之所以异于禽兽者几希，庶民去之，君子存之。舜明于庶物，察于人伦，由

I'd ______ the operation unless it is absolutely necessary.

A．rather not have

B．rather not to have

C．not rather had

D．rather not having

A client has been placed on levodopa to treat his Parkinson's disease. Which of the following is a common side effect of levodopa that the nurse should include in the client's teaching plan

A．Pancytopenia.

B．Peptic ulcer.

C．Orthostatic hypotension.

D．Weight loss.

当一张磁盘上或一盘磁带上存有保管期限不同的会计信息时，应按( )的要求保管。

A．期限最短

B．单位领导

C．期限最长

D．会计主管

《中华人民共和国环境保护法》关于建设项目防治污染设施“三同时”制度的规定有哪些？

并行接口芯片8255A工作于选通方式时，通常作为控制和状态的端口是（）。

A.PA口

B.PB口

C.PC口

D.控制口