捞渣机应在锅炉点火前()min投运。
A.60;
B.90;
C.30;
D.70。
参考答案:C
When the financial statements materially depart from accounting standards and are not fairly presented, the audit opinion would be a(n):()
A. adverse opinion.
B. qualified opinion.
C. disclaimer of opinion.
承包人提出的变更与监理提出的变更一样,一旦获得批准,承包人有权获得额外的费用补偿。 ( )