第8题: [单项选择]二尖瓣关闭不全 A. 胸骨右缘第2肋间收缩期喷射性杂音,向颈部传导 B. 胸骨左缘第3肋间舒张期哈气性杂音向胸前区传导 C. 心尖区隆隆样舒张期杂音 D. 胸骨下段左缘有收缩期杂音,吸气时增强,伴有颈静脉收缩期明显搏动 E. 心尖部全收缩期吹风样高调一贯型杂音,向左腋下和左肩胛下区传导 参考答案:E
第12题: [单项选择]All specialists agree that the most important consideration with diet drugs is carefully ______ the risks and benefits. A. valuing B. evaluating C. estimating D. weighing 参考答案:D 答案解析:value的意思是estimate the money value of something,即给某物估价,而value sth/sb是“重视某物或某人”的意思;evaluate评估,估价,evalu