普通砖孔洞率不大于（）或没有孔洞。
A、5%
B、8%
C、10%
D、15%
参考答案：D
Which of the following is a company least likely required to present according to International Accounting Standard (IAS) No. 1（）
A. Cash flow statement.
B. Disclosures of material events.
C. Statement of changes in owners' equity.
天然石材的基本构造方法有：钢筋网固定挂贴法、干挂法、树脂胶粘结合法、聚脂砂浆固定法和（）等。
