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高层建筑内的消防水池，其总容积超过( )m3时，应分成两个能独立使用的消防水池。

A.500
B.1000
C.1500
D.2000
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单项选择题
抗震设防烈度8度时，高度多少以上的悬挑阳台和走廊等长悬臂结构需验算竖向地震作用？（　　）
A.1.2m
B.1.5m
C.2.0m
D.2.5m
单项选择题
After working long hours on her feet everyday in the operating room, Taryn Rose knew a lot about foot pain. But unlike most of her colleagues（同事）, she turned her pain into money. Today she is the boss of Taryn Rose International, a $528 million company that makes nice and comfortable shoes.
At the beginning, Rose realized the only thing that could stop her was fear of failure. “I could hear my friends and family saying, ‘Why did you leave a good job?’ If I failed, would I be okay facing them? And I thought, ‘So what? I can go back for further study in medicine.’ I started to accept that it would be okay to say, ‘I failed, but I tried.’ Once I was comfortable with that thought, the fear came to an end. I realized I feared regret more than failure. And after you turn to the path you choose, there is nothing acceptable but Success. ”
Now, Rose has no regrets about leaving medicine. “What I’m doing is not all that different from what I was doing as a doctor. The goal is the same to relieve pain. A former professor told me, ‘You’re helping hundreds of thousands of women with your shoes. As a doctor, you would have helped only the few who went to your office. You’re having a much greater effect.’”
Looking back, Rose admits she caught a couple of lucky breaks. “To me, luck is about being prepared for those opportunities（机会）that come knocking. You have to have an open mind, the right skills and all your senses working to see what opportunities present themselves. Luck can open the door, but you still have to walk through it.”
Before starting her shoe business, Taryn Rose was a ____.（　　）
A.nurse
B.worker
C.doctor
D.boss
单项选择题
动水压力是地下水在流动过程中所施加于岩(土)体颗粒上的力，它是一种体积力，对于动水压力的说法，下列不正确的是( )。
A.动水压力的方向和水流方向平行，在近似计算中，多假定与地下水面或滑面平行
B.在边坡实际计算中，由于渗流方向不是定值，水力梯度不易精确确定，一般采用不同的滑体容重将动水压力的影响计入
C.在地下水位以下、静水位以上有渗流活动的滑体，计算下滑力时，采用浮容重，计算抗滑力时，采用饱和容重
D.如动水压力方向和滑体滑动方向不一致，则应分解为垂直和平行于滑面的两个分量参与计算
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