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【单选题】
Life Without Limits Nicholas Vujicic came into the world in 1982, with neither arms nor legs. His parents were shocked when they saw their first born, brand new baby boy and worried about his future life. As Nick grew up, he learned to deal with his disability and started to be able to do more and more things on his own. He adapted to his situation and found ways to accomplish tasks that most people could only do by using their limbs, such as cleaning teeth, brushing hair, typing on a computer, swimming, playing sports, and much more. As time went by, Nick began to embrace his situation and achieve greater things. In grade seven Nick was elected captain of his school and worked with the student council on various fund-raising events for local charities. After school Nick went on with further study and obtained a double bachelor degree majoring in accounting and financial planning. By the age of 19, Nick had started to fulfill his dream of encouraging others by sharing his story through motivational speaking. He found the purpose of his existence, and also the purpose in his circumstance. Nick wholeheartedly believes that there is a purpose in each of the struggles we encounter in our lives and that our attitude towards those struggles can be the single most effective factor in overcoming them. Now at 27 years old, this limbless young man has accomplished more than most people even twice his age. Nick recently made the massive move from Brisbane, Australia to California, USA, where he is the president of an international non-profit organization, and also has his own motivational speaking company Attitude Is Altitude Since his first motivational speaking engagement back when he was 19, Nick has traveled around the world, sharing his story with millions of people, speaking to a range of different groups such as students, teachers, youth business men and women, entrepreneurs, and church congregations of all sizes. People ask Nick, “How can you smile?" Then they realize there's got to be something more to life than meets the eye if a guy without arms and legs is living a fuller life. Nick shares with his audiences the importance of vision and dreaming big. Using his own experiences in worldwide outreach as examples, he challenges others to examine their perspective and look beyond their circumstances. He shares his view of ceasing to see obstacles as problems, and instead begin to see them as opportunities to grow and reach out to others. He stresses the importance of how attitude can be the most powerful tool we have at our disposal and illustrates how the choices we make can have a profound effect on our lives and the lives of those around us. Nick shows through his own life that the major keys to fulfilling our biggest dreams are persistence and choosing to embrace failure as a learning experience, rather than allowing the guilt and fear of failure to paralyze us. Through his amazing ability to connect with people from all walks of life and his incredible sense of humor he captivates children, teens and adults alike. Nick is a true inspirational and motivational speaker. 1. Nick couldn’t accept his situation and didn’t know how to live a life.
A.
True
B.
False
C.
Not given
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参考答案:
举一反三
【单选题】以下哪一个不属于 UML 视图( )。
A.
用例视图
B.
逻辑视图
C.
并发视图
D.
活动视图
【判断题】变动成本法中的期间成本只包括固定制造费用。
A.
正确
B.
错误
【判断题】按变动成本法的解释,期间成本中只包括固定制造费用。
A.
正确
B.
错误
【单选题】关于支持细胞的功能,下列哪一项错误
A.
支持和营养生精细胞,合成雄激素结合蛋白
B.
参与构成血-睾屏障
C.
其微丝和微管收缩可使生精细胞向腔面移动
D.
可吞噬精子形成过程中脱落的胞质
E.
可分泌抑制素,抑制精子的运动。因此,精子必须到附睾中才有活动的能力
【判断题】期间费用只包括固定费用。
A.
正确
B.
错误
【多选题】设总体X服从均值为θ的指数分布, 其中θ>0为未知参数。设【图片】是简单随机样本,用【图片】来估计θ,以下说法哪个是正确的?
A.
T(a)是 θ的无偏估计的充分必要条件是a=1.
B.
T(a)的方差为 . ‍
C.
T(1)的方差小于T(0.1)的方差.
D.
T(0.1)是 θ的无偏估计.
E.
T(1)不是 θ的极大似然估计.
F.
T(0.1)是 θ的矩估计.
【单选题】设总体X服从均值为θ的指数分布, 其中θ>0为未知参数。设【图片】是简单随机样本,用【图片】来估计θ,以下说法哪个是正确的?
A.
T(a)是 θ的无偏估计的充分必要条件是a=1.
B.
T(1)的方差小于T(0.1)的方差.
C.
T(0.1)是 θ的无偏估计.
D.
T(0.1)是 θ的矩估计.
【多选题】设总体X服从均值为θ的指数分布, 其中θ>0为未知参数。设【图片】是简单随机样本,用【图片】来估计θ,以下说法哪个是正确的?
A.
无论 取何值, T(a)的均方误差均为
B.
为 θ 的无偏估计的充分必要条件是a=1.
C.
无论 取何值,T(a) 的均方误差均为 .
D.
无论 取何值,T (a) 的均方误差均为
E.
与 都是 θ 的无偏估计
F.
的均方误差为 0
【单选题】关于支持细胞的功能,下列哪项错误?()
A.
支持和营养生精细胞,合成雄激素结合蛋白
B.
参与构成血——生精小管屏障
C.
其微丝和微管收缩可使生精细胞向腔面移动
D.
可吞噬精子形成过程中脱落下的胞质
E.
可分泌抑制素,抑制精子的运动,因此,精子必须到附睾中才有活动能力
【单选题】以下哪一个不属于UML视图( )。
A.
用例视图
B.
逻辑视图
C.
并发视图
D.
活动视图
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