第21题: [单项选择]The bed has been______ in the family. It was my great grandmother's original bed. A. handed out B. handed over C. handed down D. handed round 参考答案:C 答案解析:本题空格处是说这张床在这个家里被传下去。C项“handed down 意为把……传下去”符合题意,如:This pair of bracelets were handed down from my g
第23题: [单项选择]急性广泛前壁心肌梗死患者,75岁,发病3小时入院,首选的治疗是() A. 尿激酶 B. 替罗非班 C. 低分子右旋糖酐 D. 利多卡因 E. 硝酸甘油 参考答案:A 答案解析:恢复心肌灌注,挽救缺血心肌,缩小梗死面积,是急性心肌梗死的首要治疗措施,包括溶栓、急诊PCI或冠状动脉搭桥。选项未列急诊PCI和冠状动脉搭桥,故应选择尿激酶溶栓。