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问题 单项选择题

不宜用于室上性心动过速的是

A．利多卡因
B．维拉帕米
C．普萘洛尔
D．新斯的明
E．毛花苷C

答案

参考答案：A

解析：利多卡因用于各种室性心律失常，对心房肌作用弱，不宜用于室上性心动过速。其他药物都可用于阵发性室上性心动过速。

单项选择题 A1/A2型题

间接固位体主要增加可摘局部义齿的（）

A.固位力

B.稳定性

C.支持力

D.坚固性

E.咀嚼力
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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2处填上正确答案（）

A.built

B.designed

C.intented

D.lined
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