第6题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. Kim is addicted to cleaning. B. Kim is usually reliable. C. They all enjoy cleaning. D. They wish that Kim would be more focused on the housework. 参考答案:D 答案解析:[听力原文] W: We should really get Kim to do some more housework. This place is filthy again! M: Y
第30题: [单项选择]关于弛豫的描述,错误的是 A. 外加磁场消失后,组织恢复至发生磁共振前的磁矩状态,此变化过程即为弛豫过程 B. 弛豫过程分纵向弛豫和横向弛豫 C. 弛豫过程是能量变化的过程 D. 横向弛豫和纵向弛豫同时发生 E. 横向弛豫在先,纵向弛豫在后 参考答案:E 答案解析:外加磁场消失后,组织要恢复至发生磁共振前的磁矩状态,此变化过程即为弛豫过程。组织的横向弛豫和纵向弛豫是同时发生的。