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问题 问答题 案例分析题

某工程需购置某设备一台，经市场调查有三种型号设备满足要求，相关参数如下表(采购当年贷款复利利率为8%):

【问题】

对上述各方案进行列试计算比较，并选出正确的设备采购方案。

答案

参考答案：

设备采购方案比选的直接依据就是各方案设备年总费用值。

年总费用=施工机械设备的年折旧费+年使用费+年安装费年折旧费=年分配采购费一年分配残值=(总采购费一总残值）x资金回收系数+总残值x利率

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根据短文内容和首字母提示填空。

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It’s important for students to use the Internet in a good w 小题5:. Now we have textbooks which use many examples to teach students how to u 小题6: the Internet well. The give useful advice, such as it's good to r小题7:news or find helpful information to study.

Some students also m 小题8:friends on the Internet. But if you want to have a face-to-face meeting w小题9: your online friends, let your parents know and meet in a s 小题10: place.
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单项选择题

水文四等水准测量前视水准尺的读数程序简称为（）。

A、前黑——中、上、下，前红——中读数

B、前黑——上、下、中，前红——中读数

C、前黑——下、上、中，前红——中读数

D、前黑——上、中、下，前红——中读数
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