在满足水泥砼和易性、力学性、耐久性的前提下,水泥砼中的水灰比应尽量选择()。
A.最大水灰比
B.大值
C.小值
D.接近0.5的值
参考答案:C
6个月女婴,流涕,咳3天,近半天高热,体温39.4℃,抽搐1次约3分钟自行缓解,查体:精神萎靡,前囟平,咽充血,双肺未闻及中小水泡音,脑膜刺激征阴性,血常规,白细胞5×10/L,该患儿诊断最可能是()。
A.肺炎,高热惊厥
B.上感,高热惊厥
C.中毒性脑病
D.手足搐搦症
E.脑炎
--- Do you know Cindy was famous at_______ very young age.
--- Yes. But she died young. She died at_______ age of 33.
A.a; an
B.a; the
C.the; the
D.the; an