A-A+
The pressures on a building during tornado can
问题详情
The pressures on a building during tornado can be relieved by ______.
A.dosing the cellar
B.opening the window
C.using a fan for air circulation
D.strengthening the roof and walls请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:B
解析:细节题。参见第四段第一、二句:If the windows are open...outside the building.(若打开楼房窗户,室内的一些空气可以流出。这将使楼房内外压力得以平衡。)