第7题: [配伍题]急性心包炎( )|急性肺动脉栓塞( ) A. 病理性Q波或QS波,ST段抬高,T波倒置 B. 突然胸痛、气促、发绀、咯血、心电图出现电轴右偏,肺型P波 C. 心电图除aVR导联外,其他导联均呈弓背向下型抬高 D. 病理性Q波已发生半年,ST段仍持续抬高。 E. Ⅱ、Ⅲ、aVF、V~V导联中Q波深而不宽,胸骨左缘下段有收缩期喷射性杂音 参考答案:C|B
第20题: [单项选择]The house ______ I grew up has been taken down and replaced by an office building. A. in it B. in what C. in that D. in which 参考答案:D 答案解析:定语从句。句子主干为the house has been taken down and replaced by an office building。先行词为house,在从句中作状语,因此填wher
第24题: [单项选择]A haphazard knowledge of several styles of a language may be worse than useless if we do not know the type of occasion on which each is appropriate or if we do not know when we are sliding from one of another. A. causal B. disorganized C. systematic D. unplanned 参考答案:B