分析 本文是科普说明文,讲新型的建筑东门大厦在哈拉雷,津巴布韦的首都,据说是世界上唯一一个使用与白蚁堆相同原理的制冷和制热的建筑.它不需要装空调,几乎没有加热系统,而是利用天井和风扇把外面新鲜空气吸到办公室里面,这样空气即新鲜又经济.这一切之所以可能是因为哈拉雷特定的气候和环境,在纽约不能做到这一点.
解答 29-32 BADB
29.B.细节题:从第二段的句子:The Eastgate's owners saved 3.5millionona36 million building because an air-conditioning equipment didn't have to be imported.可知Eastgate比传统的建筑便宜,因为它不需要装空调,所以选B.
30.A.指代题.从第三段的句子:Fans suck fresh air in from the atrium,blow it upstairs through hollow spaces under the floors and from there into each office through baseboard vents(通风口).可知风扇把新鲜空气天井吸入,把它(新鲜空气)从地板下的中空的空间往上吹;最后从通风口送进办公室,所以这里的it指"新鲜空气",答案选A.
31.D.细节理解题.根据倒数第二段提到这种建造的一个条件是"…rapid temperature swings-days as warm as 31℃commonly drop to 14℃at night.(快速的气温变化--白天的气温31度而夜晚气温14度)";但是"You couldn't do this in New York,with its fantastically hot summers and fantastically cold winters,在纽约你无法这么做,因为纽约夏天很热冬天很冷,即纽约的天气是季节变化而不是每天变化"得知答案选D
32.B.细节理解题.根据最后一段提到It is found that the temperature of the building has generally stayed between 23℃and 25℃,with the exception of ( 除了) the annual hot period just before the summer rains in October and three days in November,得知建筑物内的温度保持在23到25度,除10月与11月之外.所以这个系统一年的大部分时间都能用,因此答案选B.
点评 做阅读理解时要快速的浏览全文,把握文章主旨大意,带着问题回到原文,寻找细节或概括相应的答案,最后要理清作者写作思路.
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