下列物质属于纯净物的是[ ]
A.蒸馏水
B.矿泉水
C.硬水
D.软水
答案:A
--- Personally, I think it is the sales manager, rather than the salesgirls, ______ to blame.
--- I can’t agree any more.
A.is
B.that is
C.are
D.who are
男性农民,42岁,于1月初发病,头痛、发热、恶心呕吐,2天后来就诊,此时可见颜面潮红、咽部充血、腹肌紧张、全腹压痛、皮下淤血,自昨晚起无尿,其诊断何病更恰当()
A.急腹症
B.病毒性肝炎
C.肾综合征出血热
D.过敏性疾病
E.风湿症