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What does the professor mainly discuss? [br] [originaltext] (12)In 1871 , th
What does the professor mainly discuss? [br] [originaltext] (12)In 1871 , th
游客
2023-11-02
30
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问题
What does the professor mainly discuss? [br]
(12)In 1871 , the first passenger elevators were used in office buildings and allowed architects to build higher than people could comfortably walk. Another innovation was in building technique. In 1885, the steel skeleton was introduced and allowed for the construction of tall buildings that could withstand high winds. We take for granted some of the other inventions that enabled people to live and work in skyscrapers. For example, few people realized that the telephone was necessary for vertical communication and that flush toilet and vacuum incinerator made waste disposal possible. Now, as we’ve entered the age of the super skyscraper, some with more than 200 floors, we see the need for even more technological innovations in the area of heating and cooling systems, for example. For all their benefits, these super tall buildings do cause problems though. For one thing, they place enormous strain on parking and traffic flow in urban areas.(13)But let’s leave behind these technical concerns and move on to consider some of the design elements that have come to characterize the age of the skyscraper.
选项
A、It created design problems for architects.
B、It was useful for transporting construction materials.
C、It enabled architects to design taller office buildings.
D、It made skyscrapers more expensive to build.
答案
C
解析
语义理解题。根据句(12)可知,1871年首部客用电梯被用在办公楼中,这样办公楼可以建得更高,因此可以推断正确答案是C。
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