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问题 单项选择题

施工成本预测的实质( )。

A．对未来的成本水平及其可能发展趋势做出科学的估计
B．在施工以前对成本进行估算
C．选择成本低、效益好的最佳成本方案
D．加强成本控制，克服盲目性，提高预见性

答案

参考答案：B

填空题

用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）。

that  happy  healthy  fun  exercise  fly  hard  swim  listen  many

The summer vacation is over. It’s true that time always   小题1:fast. During the vacation, the weather was hot and I could not do much work, but I lived   小题2: .

As the afternoon was hot. I did my work in the morning. I used to get up at 6:30 and take a walk in the garden for half an hour. After breakfast, I began reading English and Chinese and did some  小题3: in math, 小题4: took me three hours or  小题5: . I worked quite   小题6: and made good progress.

I spent the afternoon outside. I went to swim and it was   小题7: . I would not go home until it was about five or six o’clock. Sometimes a friend of mine would come to see me and we would spend some hours   小题8:to music.

In this way I spent my vacation slowly. And I not only studied well but also became a good  小题9:. now I am in good  小题10:and high spirits
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判断题

写出下表中最合适的运输方式：（在表中用“√”表示）

货物类别
和数量起点和终点河运海运铁路公路航空
紧急文件北京—拉萨
1吨活鱼密云水库—北京
100吨钢材鞍山－哈尔滨
5000吨海盐天津—广州
10万吨大米九江—上海
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