能应用在建筑内部各部位,其燃烧性能为A级的装修材料有()。
A.石膏板
B.玻璃
C.石灰制品
D.纤维石膏板
E.玻璃棉装饰吸声板
参考答案:A, B, C
It is reported that many a new house________at present in the disaster area.
A.are being built
B.were being built
C.was being built
D.is being built
The photos successfully show the rich culture ______ makes Beijing so famous. [ ]
A. what
B. which
C. who
D. why