第23题: [单项选择]Mark’s Warehouse Clearance Store is having a sale with savings of up to 40 percent off on all clothing this weekend () celebration of its 25th anniversary. A. in B. at C. on D. of 参考答案:A 答案解析:
第31题: [单项选择]10岁男孩,右下腹持续性痛阵发性加剧4天,发热,呕吐5次,为胃内容物,2天未排大便,仍排气。查体:体温38.8℃,脉搏100次/分,腹稍胀,未见肠型,右下腹扪及5cm×4cm肿块,边界不清有压痛、肌紧张和反跳痛,肠鸣音减少,直肠指诊阴性。白细胞18×109/L,中性粒细胞0.8。应诊断为() A. 肠结核 B. 肠套叠 C. 蛔虫团肠梗阻 D. 阑尾周围脓肿 E. 盲肠癌 参考答案:D