按索赔目的分类，施工索赔包括( )。
A．质量索赔
B．费用索赔
C．工期索赔
D．综合索赔
E．数量索赔
参考答案：B,C
I will never forget that terrible accident _____ it happened so long ago. [ ]
A. only if
B. even though
C. only when
D. ever since
河南新郑出土的莲鹤方壶属（）时代青铜器。
