We can learn from the passage that ______.
A. unfairness exists in salary increases
B. most people are overworked and underpaid
C. one should avoid overstating one's performance
D. most organizations give their staff automatic pay raises
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水泥混凝土路面施工时，拌和引气混凝土的搅拌楼一次拌和量不应大于其额定搅拌量的( )。
A. 95%
B. 90%
C. 85%
D. 80%
鞣质为一类
A. 没食子酸鞣质
B. 复杂的多元酚类化合物
C. 酚酸与糖或多元醇以苷键或酯键结合而成化合物
D. 黄烷-3-醇的聚合物
E. 可水解鞣质、缩合鞣质
石质路堑开挖方式中，( )是当前广泛采用的开挖施工方法。
A. 横向开挖法
B. 纵向开挖法
C. 钻爆开挖
D. 静态破碎法
The author thinks that the conclusions of any research about people's state of mind are ______.
A. surprising
B. confusing
C. illogical
D. questionable
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