第8题: [单项选择]II°I型房室传导阻滞其心电图特征()。 A. ECG特征:P波频率明显高于QRS波频率;P-P间期和R-R间期各自匀齐或大致匀齐,其间无固定关系。 B. ECG特征:P-R间期逐渐延长,直到P波受阻不能下传,脱落前P-R间期最长,,脱落后P-R间期最短,如此有规律周而复始的发生。 C. ECG特征:P-R间期明显延长 D. ECG特征:只有一系列的P波,而无QRS波群出现,或长时间无任何波形出现 参考答案:B
第28题: [单项选择]For Mir6, art became a ______ ritual; paper and pencils were holy objects to him and he worked as though he were performing a religious rite. A. superficial B. sacred C. banal D. cryptic E. futile 参考答案:B