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（5分）（2011?陕西）（请在下列三题中任选一题作答，如果多做，则按所做的第一题评分） A．（不等式选做题）若不等式|x+1|+|x﹣2|≥a对任意x∈R恒成立，则a的取值范围是 ． B．（几何证明选做题）如图，∠B=∠D，AE⊥BC，∠ACD=90°，且AB=6，AC=4，AD=12，则AE= ． C．（坐标系与参数方程选做题）直角坐标系xoy中，以原点为极点，x轴的正半轴为极轴建极坐标系，设点A，B分别在曲线C 1 ： （θ为参数）和曲线C 2 ：p=1上，则|AB|的最小值为 ．
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【简答题】交感神经低级中枢位于 , 副交感神经低级中枢位于 内的副交感核和 脊髓 骶 节 灰质的副交感核。
【单选题】Reserves for writing off impaired assets are unnecessary.
A.
Right
B.
Wrong
C.
Doesn't say
【简答题】交感神经低级中枢位于 ;副交感神经的低级中枢位于 和 。
【单选题】Assets is measures by subtracting owners' equity from liabilities.
A.
Right
B.
Wrong
C.
Doesn't say
【单选题】'One's physical assets and liabilities don' t count all that much in a managerial career.'(paral) can be interpretated as______.
A.
whether or not one looks good or bad, it doesn' t affect much one' s managerial career
B.
in one' s managerial career, he may deal with cases like assets and liabilities
C.
in one' s managerial career, he may rarely deal with cases like assets and liabilities
D.
whether or not one looks good or bad, it may affect much one' s managerial career
【判断题】Pledged assets are those that the lenders of the secured liablities would receive if the borrower fails to pay in accordance with the terms of the debt agreement.
A.
正确
B.
错误
【简答题】交感神经低级中枢位于 ____ , 副交感神经低级中枢位于____ 内的副交感核和脊髓骶____ 的骶副交感核。
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