水泥混凝土垫层的厚度不应小于();陶粒混凝土垫层的厚度不应小于()。
A.60mm;80mm
B.50mm;60mm
C.70mm;80mm
D.60mm;70mm
参考答案:A
Helen was much kinder to her youngest son than to the others, _____,of course, made the others
envy him.[ ]
A. who
B. that
C. what
D. which
FIAT是哪个品牌的汽车()
A.铃木
B.五十铃
C.悦达
D.菲亚特