下列心电图表现属于被动性异位心律的是（）_中医诊断学_全学科试题题库

当前学科：中医诊断学

题目：单选
下列心电图表现属于被动性异位心律的是（）
答案： <查看本题扣1积分>

查看答案

答案不对？请尝试站内搜索

推荐知识点:

效评价会对人员激励产生哪些积极的影响？

下列哪一项不是肩周炎的病理变化？（）

在带同样纯电阻负载的电压型半桥逆变电路和电压型全桥逆变电路中，下述哪项是正确的（）。

DHCP客户端申请一个新的IP地址之前，使用的初始IP地址是：（）

支票的持票人超过规定的提示付款期限，只能向（）请求付款。

心绞痛的主要症状是（）。

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17处填上正确答案（）

河心冲洗水泵的用途为冲洗（）和冲洗旋转滤网。

邀请招标，是指采购人依法从符合相应资格条件的供应商中随机邀请2家以上供应商，并以投标邀请书的方式，邀请其参加投标。( )

把数字信号转换成（）的装置称为D／A转换器。