玻璃砖墙体适用于建筑物的非承重内外装饰墙体。玻璃砖厚度一般为()厚。
A.95mm
B.80mm
C.120mm
D.90mm
E.100mm
参考答案:A, B
— ______ did your aunt leave China?
— She ______ for three years. [ ]
A. When; has left
B. When; has been away
C. How long; has left
D. How long; has been away
如果你想去历史上第一个无产阶级 * * 雏形的诞生地,你会选择( )
A.华盛顿
B.伦敦
C.巴黎
D.莫斯科