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After the violent earthquake that shook Los Angeles in 1994, earthquake scientists had good news to report: The damage and death
After the violent earthquake that shook Los Angeles in 1994, earthquake scientists had good news to report: The damage and death
admin
2013-12-08
50
问题
After the violent earthquake that shook Los Angeles in 1994, earthquake scientists had good news to report: The damage and death toll(死亡人数)could have been much worse.
More than 60 people died in this earthquake. By comparison, an earthquake of similar intensity that shook America in 1988 claimed 25,000 victims.
Injuries and deaths were relatively less in Los Angeles because the quake occurred at 4:31 a.m. on a holiday, when traffic was light on the city’s highways. In addition, changes made to the construction codes in Los Angeles during the last 20 years have strengthened the city’s buildings and highways, making them more resistant to quakes.
Despite the good news, civil engineers aren’t resting on their successes. Pinned to their drawing boards are blueprints(蓝图)for improved quake-resistant buildings. The new designs should offer even greater security to cities where earthquakes often take place.
In the past, making structures quake-resistant meant firm yet flexible materials, such as steel and wood, that bend without breaking. Later, people tried to lift a building off its foundation, and insert rubber and steel between the building and its foundation to reduce the impact of ground vibrations. The most recent designs give buildings brains as well as concrete and steel supports. Called smart buildings, the structures respond like living organisms to an earthquake’s vibrations. When the ground shakes and the building tips forward, the computer would force the building to shift in the opposite direction.
The new smart structures could be very expensive to build. However, they would save many lives and would be less likely to be damaged during earthquakes.
The smart buildings discussed in the passage______.
选项
A、would cause serious financial problems
B、would be worthwhile though costly
C、would increase the complexity of architectural design
D、can reduce the ground vibrations caused by earthquakes
答案
B
解析
本题为推理判断题中的深层推理题。第五段的smart buildings指的就是将计算机用于建筑物中的最新设计。那么在最后一段中,作者谈到这种新型建筑造价很高,但它可大大减少地震中的人员伤亡和其他的损失,所以看来很值得。因此答案B)是正确的。
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0
成人本科学位英语
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