健康妇女的月经量大约是()
A.10~20ml
B.30~50ml
C.60~70ml
D.80~90ml
E.100~120ml
参考答案:B
— What time does she get up?
— She _____ up at 6:10 am.[ ]
A. is getting
B. gets
C. to get
D. get
屋面结构层板缝中浇灌的细石混凝土上应填放背衬材料,上部嵌填密封材料,并应设置保护层。( )