The number of people present at the meeting ________ about 1000, a large number of whom ________ experts from abroad.

A．was; was

B．were; were

C．was; were

D．were; was

钢结构防火涂层不应有误涂、漏涂，涂层应闭合，无脱层、空鼓、明显凹陷、粉化松散和浮浆等外观缺陷，乳突已剔除；保护裸露钢结构及露天钢结构的防火涂层的外观应平整，颜色装饰应符合设计要求。