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问题 单项选择题

生产准备及开办费应计列在（）中。

A、在工程建设其他费用中计列

B、包含在建设单位管理费中

C、包含在工程质量监督费中

D、在建筑安装工程费中列支

答案

参考答案：A

解答题

有甲、乙、丙三个梯形，它们的高之比是1：2：3；上底之比依次是6：9：4；下底之比依次12：15：10．已知甲梯形的面积是30平方厘米，那么乙与丙两个梯形的面积之和是多少平方厘米？
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单项选择题

His business prospered and he became a person of means. Yet, despite his great riches, he gave no arms to the needy and no thanks to his benefactors whose savings ______ to his welfare.

A．had contributed.

B．contributed

C．were contributed

D．did contribute
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