第15题: [单项选择]为明确上消化道大出血原因,首选下列哪项检查方法() A. 上消化道造影 B. B型超声检查 C. 纤维内窥镜检查 D. 选择性动脉造影检查 E. 胸片 参考答案:C 答案解析:上消化道出血首选胃镜检查。多主张在出血后24~48小时内进行检查,称急诊胃镜检查,可大大提高出血病因诊断的准确性。X线钡餐造影检查目前已多被胃镜检查代替。上消化道大出血时不宜行上消化道钡餐检查,急诊纤
第32题: [单项选择]— We ______ that you would fix the TV set this week. — I’m sorry. I ______ to, but I’ve been too busy. A. had expected; had intended B. are expecting; had intended C. expect; intend D. expected; intend 参考答案:A 答案解析:[解析] expect,intend,want,wish,hope,plan等动词的过去完成时可表示过去未曾实现的想法、愿望、打算等。