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【简答题】
Passage 4 Marie Curie was the first female professor at Sevres, a college for girls who wanted to teach higher education. These twenty-year-olds would _1_ become professors. Marie was not liked by her pupils during her first year as a professor. By her second year, the students loved her. One student reported that the courses taught by Marie were “the _2_ reference during the entire length of my career. She didn’t dazzle us, she _3_ us, attracted us, held us with her simplicity, her desire to be useful to us, the sense she had of both our ignorance and our _4_ She was the first to take her students into the laboratory to physically manipulate their newly-learned theories. She also taught by example, and invited the physics class to hear the _5_ of her dissertation (论文). Marie argued for the elimination of additional, difficult tests given only to the female students. She also _6_ the dean to provide calculus classes to the female students. Marie wanted the girls to have the tools to succeed in academia and fought tooth and nail to provide every _7_. This woman is known for her scientific discoveries and the progress _8_ from them. Of course her scientific discoveries are _9_ and usefull.It is also important to understand the kind of woman that she was.She was stubborn, and she hated to lose, but it was her goal to use science to help the world in whatever way possible. Her stubbornness led to persistence and _10_. These qualities promoted the use of her brilliance. The love and support of her family taught Marie to never question the possibilities that stood before her. A) trivial B) convinced C) possibilities D) merely E) reassured F) impressive G) opportunity H) dispensable I) derived J) adaptabilities K) eventually L) defense M) confused N) determination O) essential 第1空答案是:
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【单选题】若信号中含有周期成分,则其自相关函数( )
A.
随着 t ® ¥ 衰减至 0
B.
在 t 很大时不衰减,但不具有周期性
C.
在 t 很大时不衰减,且有周期性
D.
为 d 函数
【单选题】自相关函数是区别信号类型的一个有效手段,若信号中含有周期成分,则其自相关函数______。
A.
在τ很大时衰减也很小    
B.
在τ很小时衰减就很大
C.
在τ很大时都不衰减并具有明显的周期性
D.
在τ很大时不衰减但不具有明显的周期性
【多选题】控制图的重要性体现在( )。
A.
它是贯彻预防原则的SPD的重要工具
B.
控制图可用以直接控制与诊断过程,是质量管理7个工具的重要组成部分
C.
我们应该单纯追求控制图张数的多少
D.
工厂中使用控制图的张数在某种意义上反映了管理现代化的程度
E.
有些大型企业应用控制图的张数很多,是由于一些产品的工艺复杂
【判断题】超级市场、货仓式商店、快餐店等的出现是新技术所引起的企业经营管理变化的 结果.
A.
正确
B.
错误
【多选题】实施三级防护的区域
A.
低毒重度危险区
B.
低毒中度危险区
C.
低毒轻度危险区
D.
低毒安全区
【多选题】实施三级防护的区域为()。
A.
低毒重度危险区
B.
低毒中度危险区
C.
低毒轻度危险区
D.
低毒安全区
E.
安全区
【多选题】控制图的重要性体现在( )。
A.
它是贯彻预防原则的SPD的重要工具
B.
控制图可用以直接控制与诊断过程,是质量管理七个工具的重要组成部分
C.
我们应该单纯追求控制图张数的多少
D.
工厂中使用控制图的张数在某种意义上反映了管理现代化的程度
E.
有些大型企业应用控制图的张数很多,是由于一些产品的工艺复杂
【简答题】在离子注入法的掺杂过程中,注入离子在非晶靶中的浓度分布函数满足 对称的高斯分布,其浓度最大位于 处。
【判断题】超级市场、货仓式商店、快餐店等的出现是新技术所引起的企业经营管理变化的结果。
A.
正确
B.
错误
【单选题】下列对如图所示液压系统表述错误的是( ) 第 11 题图 第 12 题图 A .元件 2 是溢流阀,常闭,利用作用于阀芯上的液压力和弹簧力相平衡的原理实现系统压力控制 B .元件 3 是调速阀,快进或快退时 3 不工作 C .元件 1 是液压系统的动力元件,将电动机的机械能转换成压力能,依靠密封容积的变化来实现吸油和压油,排油量大小 取决于密封容积的大小 D .元件 2 、 3 、 4 是...
A.
B.
C.
D.
D
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