第31题: [单项选择]诊断冠心病最常用的非创伤性检查方法是() A. 休息时心电图 B. 24小时动态心电图 C. 心电图运动负荷试验 D. 超声心动图 E. 心脏CT检查 参考答案:C 答案解析:心电图负荷试验增加心脏负担以激发心肌缺血。心电图改变主要以ST段水平型或下斜型压低≥0.1mV持续2分钟作为阳性标准。运动中出现步态不稳,室性心动过速或血压下降时,应即停止运动。心肌梗死急性期、不稳定
第33题: [单项选择]According to Professor McKay’’s report, (). A. family love is gradually disappearing. B. it is hard to comment on family feeling. C. more children are indifferent to their parents. D. family love remains as strong as ever. 参考答案:D