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问题 单项选择题

某施工过程在一施工段上工作时间的最短估算值为5天，最长估算值为11天，正常估算值为8天，按三种时间估算法，此施工过程i在该施工段上的流水节拍为( )。

A．6天
B．7天
C．8天
D．9天

答案

参考答案：C

阅读理解

After several days’ warm weather around the New Year’s Day，a strong cold wave with a sandstorm from Mongolia attacked Tianjin Sunday afternoon.

From 3 o’clock p.m.，the strong cold wave from Mongolia engulfed（吞没）most areas of North China and the biggest wind-force was 7.Tianjin also suffered this year’s first sandstorm with the cold wind whistling.The sky became dusky and the air was permeated with sand.By 11 o’clock at night，the wind became weaker and the sandstorm died down.From Monday morning，the northern areas had a big drop in temperature.It is learned that flu and the infection of the upper respiratory tract are easy to be infected due to the severe pollution by dust in the air.Relevant experts remind residents to pay attention to their health care.

小题1:.The underlined word“permeated”most probably means______.

A．cleared

B．filled　　　　　　

C．blowing　　　　　

D．replaced小题2:We learn that ______from the passage.

A．sandstorms result in the fall of temperature

B．we can easily get infected by the dusty air

C．it is usually warmer before sandstorms come

D．sandstorms usually come around the New Year’s Day
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单项选择题

（）故居位于中和镇苍坊村的敏溪河畔，流水潺潺，风光秀丽。

A.刘 * * 故居

B.毛 * * 故居

C.任弼时故居

D.胡耀邦故居
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