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问题 单项选择题

九届全国人大常委会九次会议通过《行政复议法》，于（）施行。

A.1990年10月1日

B.1999年10月1日

C.1999年5月1日

D.2000年1月1日

答案

参考答案：B

选择题

Let's read the story __________ this book.[ ]

A. at                                  

B. on                         

C. in
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单项选择题

A project management team is evaluating the causes that might contribute to unsatisfactory performance and quality．Which of the following statements is not true ？（）

A．Normal process variation is attributable to random causes and sometimes also called“white noise”．

B．Special causes are easier to predict and handle than random causes(also called common caus

C．Special causes are unusual events which are difficult to foresee and mostly produce outlier

D．A process can be optimized to limit the bandwidth of variations due to random cause
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