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题目：
单选题
A利尿剂
Bβ受体阻滞剂
C钙通道阻滞剂
DACEI
E降压中成药
答案：
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胶带运输机运转过程中，减速器的温度不得超过（）°F。
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斟酒的方法主要有（）。
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可作为片剂的润滑剂的是（）
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活塞式压缩机十字头中心线与滑道中心线同轴度偏差是通过（）进行测量的。
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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 betterstocked 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17处填上正确答案（）
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接受重大动物疫情报告主体的是（）
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罐笼运送安全炸药时的升降速度不得超过（）m/s。
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瓦布格效应是指氧气对（）的抑制现象。
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关于超敏反应正确的理解是（）。
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某县要修水电站，县政府下发文件要求每个公职人员都要参加电站集资。某镇小学领导按照文件要求，在领工资之前，从每位教职工的工资中分别扣除了文件规定上交的集资款。对此，下列说法错误的是（）。