53～57 一栋5层砖混结构住宅楼，承重墙至标高±0处的荷载为200k_爱下问搜题

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问题单项选择题

53～57 一栋5层砖混结构住宅楼，承重墙至标高±0处的荷载为200kN/m，土层剖面至设计地面至(±0至-1.5m)深范围内是杂填土，重力密度γ=16kN/m³，其下为厚度较大的淤泥质软土，承载力特征值f_Ek=70kN/m²，天然重力密度γ=18kN/m³，含水量ω=50%(ω＞ω_L)，颗粒相对密度为2.60，地下水位在-3.5m处，基础砌至标高-1.0m。若基底下采用中砂垫层，中砂垫层承载力特征值f_ak=150kPa，中砂填筑后湿密度γ=18.2kN/m³，含水量ω=7%。剖面如题53～57图所示。

要求：使用《健筑地基处理技术规范》。

砂垫层底面中心处自重应力P_cz与下列（）项数值接近。

A．34.61kN/m²

B．43.61kN/m²

C．49.9kN/m²

D．52.4kN/m²

答案

参考答案：D

解析：

p_cz=(16×1)+(18.2×2)=52.4(kN/m²)

单项选择题 A3/A4型题

男性，56岁。患慢性骨髓炎8个月，血红蛋白70g／L，白细胞、血小板正常。血清铁6.21μmol／L，铁蛋白206μg/L，骨髓增生活跃，细胞外铁（+++）。

患者的诊断最可能是（）

A.巨幼细胞性贫血

B.慢性病性贫血

C.缺铁性贫血

D.失血性贫血

E.铁粒幼细胞性贫血

完形填空

Stand Beside You Forever永远站在你身后
题材：感人故事难度：＊＊＊＊词数：272标准时间：15分钟完成时间：______ 正确数：______
The passengers on the bus watched sympathetically as the attractive young woman with the white cane made her way carefully up the steps. She   1   the driver and, using her hands to feel the   2   of the seats, walked down and found the   3   which the driver had told her was empty. Then she settled in.
It had been a year since Susan, 34,   4   a medical misdiagnosis(误诊), was suddenly thrown into a world of   5  . Mark, her husband, was an Air Force officer and he loved Susan with all his heart. He   6   her how to rely on her other   7  , specifically her hearing, to determine where she was and   8   to adapt herself to the new environment. He helped her befriend the bus drivers who could   9   for her, and save her a seat.
10  , Susan decided that she was ready to try the   11   on her own. Monday morning, she said good-bye and for the first time, they went their   12   ways.
On Friday morning, Susan took the bus to work as usual. As she was   13   the bus, the driver said, “Boy, I   14   envy you.” Susan had no   15  what the driver was talking about, and asked, “What do you   16  ?”
The driver answered, “You know, every morning for the   17   week, a fine-looking gentleman   18   a military uniform has been standing across the corner   19   you as you get off the bus. He   20   you cross the street safely and he watches until you enter your office building. You are one lucky lady.”
Tears of gratitude poured down Susan’s cheeks.

A．according to

C．getting off

C．believes in