第7题: [单项选择]What does the woman imply A. She doesn’t remember much about Portland. B. She’s never been to Portland. C. She knows someone else who could help him. D. She’d be happy to talk to the man later. 参考答案:A 答案解析:[听力原文] M: I need to talk to someone who knows a lot about Portland. Someone said you lived there.
第11题: [单项选择]下列叙述错误的是（） A. 管电压越高，产生的X射线最短波长越短 B. X射线的最短波长对应于最大光子能量 C. 管电压越高，X射线的产生效率越大 D. 阳极靶物质的原子序数越大，X射线的产生效率越大 E. 管电流越高，X射线的产生效率越大 参考答案:E 答案解析:X射线的最短波长只与管电压有关，X射线的产生效率与管电压和靶物质的原子序数有关，与管电流无关。
第35题: [单项选择]充血性心力衰竭心肾阳虚，虚阳外越证的主要临床表现是( ) A. 心悸气短，动则加剧，胸闷心痛，咳唾 B. 喘促气逆，不能平卧，痰稀量多，形寒肢冷 C. 下肢水肿，喘促气短，形寒肢冷，小便短少 D. 喘促口久，呼多吸少，面赤躁扰，汗出如注 E. 咯痰黄稠，烦躁不安，心烦失眠，口干 参考答案:A
