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问题 单项选择题

按"岩体试验标准"，进行岩石膨胀性试验时，（）不正确。（）

A.自由膨胀率，侧向约束膨胀率及膨胀力试验试件数量均不得少于3

B.自由膨胀率浸水后试验时间不得小于48h

C.侧向约束膨胀试验时，试样顶部应保持5kPa的持续压力

D.进行膨胀压力试验时，首先施加5kPa的压力，然后再缓慢注水

答案

参考答案：D

单项选择题 A3/A4型题

患者女，50岁。皮肤瘀斑并牙龈出血2年，近期牙龈出血症状加重，并伴乏力、胸闷、咳嗽。查血常规：WBC48.60×109/L↑，原始细胞40%↑，Hb86g/L↓，RBC2.26×1012/L↓，PLT38×109/L↓。

体格检查中需特别注意的体征是（）

A.浅表淋巴结肿大

B.皮肤出血点

C.肺部啰音

D.心脏杂音

E.胸骨压痛
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单项选择题 案例分析题

Shopping habits in the United States have changed greatly in the last quarter of the 20th century. （1） in the 1900s most American towns and cities had a Main Street. Main Street was always in the heart of a town. This street was （2） on both sides with many （3） businesses. Here, shoppers walked into stores to look at all sorts of merchandise: clothing, furniture, hardware, groceries. （4）,some shops offered （5） .These shops included drugstores, restaurants, shoe-repair stores, and barber or hairdressing shops. （6） in the 1950s, a change began to （7） .Too many automobiles had crowded into Main Street （8） too few parking places were （9） shoppers. Because the streets were crowded, merchants began to look with interest at the open spaces （10） the city limits. Open space is what their car-driving customers needed. And open space is what they got （11） the first shopping centre was built. Shopping centres, or rather malls, （12） as a collection of small new stores （13） crowded city centres. 14 by hundreds of free parking space, customers were drawn away from （14） areas to outlying malls. And the growing （16） of shopping centres led （17） to the building of bigger and betterstocked stores. （18） the late 1970s,many shopping malls had almost developed into small cities themselves. In addition to providing the （19） of one stop shopping, malls were transformed into landscaped parks, （20）benches, fountains, and outdoor entertainment.

请在15处填上正确答案（）

A.inner

B.central

C.shopping

D.downtown
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