第18题: [简答题]part 1Household Chores
What do you dislike about household chores
Do you think it is necessary for a child to help in household chores
Do you like to do housework
What kind of housework do you usually do 参考答案:
第20题: [单项选择]下列胆管细胞癌CT特点,错误的是() A. 肿瘤无包膜 B. CT平扫,肿瘤为略低密度 C. 增强扫描动脉期,肿瘤明显强化 D. 常有肝内胆管局限性扩张 E. 瘤内可有细小的不规则钙化 参考答案:C 答案解析:肿瘤对比增强C多表现不均匀强化,30%肿瘤对比增强有随时间延长而逐渐增加趋势,即动脉期肿瘤强化不明显,延长期扫描逐渐明显强化。