施工项目（）就是根据成本信息和施工项目的具体情况，运用一定的

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问题单项选择题

施工项目（）就是根据成本信息和施工项目的具体情况，运用一定的专门方法，对未来的成本水平及其可能发展趋势做出科学的估计，其实质就是在施工以前对成本进行估算。

A.成本核算

B.成本预测

C.成本计划

D.成本分析

答案

参考答案：B

阅读理解

阅读短文，判断正(T)误(F)。

Yesterday was Sunday. Bob, Lynn and I went to the zoo by bus. There were many people. And we saw

many lovely animals. We took many pictures of them. We also bought some ice cream to eat. Then we went

home.

( ) 1. Today is Monday.

( ) 2. Bob, Lynn and I went to the zoo by bicycle.

( ) 3. We didn't see any people there.

( ) 4. We bought some ice cream to eat.

( ) 5. We didn't take pictures yesterday.

单项选择题

使用局部反循环打捞篮打捞落物时，是依靠（）改变正循环水流通道的。

A、上提下放管柱

B、旋转管柱

C、加压

D、投球