餐饮美学是以基本的美学原理为指导,研究—切餐饮领域中有关美与审美的()
参考答案:应用学科
When residents learned on Wednesday that only one of the 13 workers trapped underground _________, they burst into tears.
A.had saved
B.had rescued
C.had died
D.had survived
作为基坑围护结构主体的工字钢,一般采用( )号大型工字钢。
A.30
B.35
C.40
D.50