[单项选择]女性,42岁。因低热、消瘦伴腹围逐渐增大1个月余入院。体检:腹部膨隆,全腹轻压痛及反跳痛,肝脾肋下未触及,移动性浊音(+),腹水检查为微血性渗出液,腺苷脱氨酶(ADA)70U/L。本例最可能的诊断是() A. 自发性细菌性腹膜炎 B. 肝硬化腹水 C. 结核性腹膜炎 D. 化脓性腹膜炎 E. 腹膜癌病
第7题: [单项选择]I hope all the precautions against air pollution, ______ are suggested by the local government, will be seriously considered here. A. as B. while C. after D. since 参考答案:A 答案解析:as在句中是关系代词,引导非限定性定语从句,其先行词是precautions,其他几个选项都不是关系代词,所以是错误的。