A. Normally they are not scared by it. B. Usually they are seriously scared by it. C. They feel ridiculous when seeing it. D. They often feel uncomfortable at it. 参考答案:A 答案解析:细节题。 [解析] 根据题干中关键词neutral stimulus定位到原文第二段首句participants watched a short video of a person condit
第32题: [单项选择]最适合用于成人肾上腺扫查的探头频率范围是() A. 2.0~3.0MHz B. 3.5~7.0MHz C. 5.0~10.0MHz D. 6.0~10.0MHz E. 7.5~12.0MHz 参考答案:B 答案解析:肾上腺扫查的探头频率成人用3.5MHz.儿童用5.0MHz,新生儿可用7.5MHz。