某建设项目概算由三级概算组成，其中单项工程概算等于（）。 A._爱下问搜题

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问题单项选择题

某建设项目概算由三级概算组成，其中单项工程概算等于（）。

A.其所属单位工程概算之和

B.其所属建筑工程和安装工程概算之和

C.其所属单位工程概算和流动资金之和

D.其所属建筑工程、安装工程和工程建设其他费用之和

答案

参考答案：A

改错题

短文改错。
以下标有题号的每一行均有一个错误，请找出，并按下列情况改正：
此行多一个词：把多余的词用斜线（\）划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。

     Today is Sunday. I′ve been in Canada for two months.
This is the first time that I′ve been away my family for such a
long time. With the help of Katia, a roommate of me, I′ve
soon got used to live without my parents around. Katia, like
many other Russian girls, are nice and lively. We became
friends shortly after we meet each other. Although her English
is a little hardly to understand, we enjoy chatting and we
usually talk a lot about our own family. We're both surprised
that Chinese culture or Russian culture are so different. Now,
we are planning a small party for the next Sunday. There, Katia
will introduce me to some of her friends, one of who has been
to China several times. I just can't wait.

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判断题

计算机中的字长表示计算机所能处理的二进制数的位数。