某建筑物基础尺寸为20m×30m，基础底面埋深为5.0m，基础底面以上土的加权平均重度值为18kN／m3。基底以下持力层为粉质黏土，浮重度为9．0kN／m3，内摩擦角标准值K=16°，黏聚力标准值cK=25kPa。根据上述条件，用《建筑地基基础设计规范》（GB50007-2011）的计算公式确定该持力层的地基承载力特征值f最接近（）。
A.363kPa
B.373kPa
C.383kPa
D.393kPa
参考答案：A
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| Mary was born in a worker's family. But she always 1 her friends that her father is very rich. They know her very well, but 2 says anything about it. Last month Miss Brown, 3 friends, asked Mary to her birthday party. The girl went there with some 4 . She got on a bus but there were a lot of people in it. She couldn't find any seat. A young man saw this, he 5 and said, "Take my seat, please." Mary 6 him and sat down. To her surprise, she saw him again at the party. She was very 7 and went to say hello to him. They began to dance. The young man heard a piece of 8 and liked it very much. He told the girl he taught piano at school. "I bought a piano ten years 9 ," said Mary. "You must play it well, I think." " 10 , I can't. I don't know how to get the lid (盖子) open," answered the girl. | ||||
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