投标文件又称标书,一般由投标函、投标报价表、资格证明文件、( )、招标文件要求提供的其他材料等组成。
A.投标方案
B.操作方案
C.物业管理方案
D.答疑文件
参考答案:C
Would it be _____ for you to join us in raising money for the worst-hit area in the earthquake tomorrow?
A.available
B.convenient
C.free
D.reliable
补体的经典途径中各补体成分激活的顺序是()
A.C143256789
B.C124536789
C.C142356789
D.C214356789
E.C123456789