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单项选择题

汽车库设一个疏散出口的条件是：( )

A.Ⅲ类汽车库
B.双疏散坡道的Ⅱ类地上汽车库
C.停车数少于100辆且建筑面积小于4000㎡的地下汽车库
D.Ⅰ类修车库
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单项选择题
I’ve loved my mother’s desk since I was just tall enough to see above the top of it as mother sat doing letters. Standing by her chair, looking at the ink bottle, pens, and white paper, I decided that the act of writing must be the more wonderful thing in the world.
Years later, during her final illness, mother kept different things for my sister and brother. “But the desk,” she’d said again, “it’s for Elizabeth.” I never saw her angry, never saw her cry. I knew she loved me; she showed it in action. But as a young girl, I wanted heart-to-heart talks between mother and daughter.
They never happened. And a gulf opened between us. I was “too emotional”. But she lived “on the surface”.
As years passed I had my own family. I loved my mother and thanked her for our happy family. I wrote to her in careful words and asked her to let me know in any way she chose that she did forgive me.
I posted the letter and waited for her answer. None came.
My hope turned to disappointment, then little interest and, finally, peace—it seemed that nothing happened. I couldn't be sure that the letter had even got to mother. I only knew that I had written it, and I could stop trying to make her into someone she was not.
Now the present of her desk told, as she’d never been able to, that she was pleased that writing was my chosen work. I cleaned the desk carefully and found some papers inside—a photo of my father and a one-page letter, folded and refolded many times.
Give me an answer, my letter asks, in any way you choose. Mother, you always chose the act that speaks louder than words.
The writer began to love her mother’s desk ____.（　　）
A.afterMotherdied
B.beforeshebecameawriter
C.whenshewasachild
D.whenMothergaveittoher
单项选择题
题目05. 设方阵是一个正矩阵，它的谱半径是的特征值长度的最大值。则下列说法中错误的是：
A．谱半径仅针对正矩阵有定义。
B．是的特征值，它有正特征向量。
C．的几何重数等于1。
D．的代数重数等于1。
单项选择题
注册建筑师发生下列情形时应撤销其注册，其中何者是错误的？( )
A.因在建筑设计中犯有错误，受到撤职行政处分的
B.因在建筑设计中犯有错误，受到行政处罚的
C.受刑事处罚的
D.自行停止注册建筑师业务满一年的
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