选择题：None of us expected the chairman to _____ at the p

题目内容：

None of us expected the chairman to _____ at the party. We thought he was still in hospital. 　
(A)turn in
(B)turn over
(C)turn up
(D)turn down

参考答案：

在轴心受压短柱中,不论受压钢筋在构件破坏时是否屈服,构件的最终承载力都是由混凝土被压碎来控制的。(A

在轴心受压短柱中,不论受压钢筋在构件破坏时是否屈服,构件的最终承载力都是由混凝土被压碎来控制的。(A)正确(B)错误

As a result of his hard work, he has gained ______ to the Beijing University.

甲、乙两个企业均投入100万元的资本，本年获利均为20万元，但甲企业的获利已全部转化为现金，而乙企业则全部是应收账款。如果在分析时认为这两个企业都获利20万元，