【单选题】
心电图显示窦性P波规律,频率75bpm,QRS波群形态正常,室率缓慢而规则(45bpm),P波与QRS波群无固定关系,其诊断为
【单选题】
心电图运动试验,简易床边活动试验,嘱患者做仰卧起坐或下蹲,即可记录心电图,患者心率<()bpm,提示窦房结功能低下。
【单选题】
四格表中,当a=30,b=60,c=40,d=50时,最小理论频数等于( )
【单选题】
60~69岁妇女骨质疏松症发病率高达50%~70%; 80岁以上的老年人发病率高达( )以上。
【判断题】
偏股型基金是指股票配置比例50%-70%,债券比例在20%-40%。
【单选题】
某医院一年内收治202例腰椎间盘后突病人,其年龄的频数分布如下,为了形象表达该资料,适合选用( )年龄(岁):10~20~30~40~50~60~ 人数: 6 40 50 85 20 1
【单选题】
Our ____ sensitivity decreases with age. By age
60, most people have lost 40 percent of their
ability to smell and 50 percent of their taste buds.
【单选题】
60~70岁的老年人,每天应睡眠( )小时。
【单选题】
已知A、B、C三点坐标分别为(10、20、30)(20、40、60)、(30、60、90),则A、B、C三点______。
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无法判断
【单选题】
<img src=http://huaweicloudobs.ahjxjy.cn/f1201c40c6b0cc551edeb70deb60b0c6.png/>
③
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