The Tower of Pisa is ( ) meters high in altitude.a 60b 56c 600d 197

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The Tower of Pisa is ( ) meters high in altitude.a 60b 56c 600d 197
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The Tower of Pisa is ( ) meters high in altitude.a 60b 56c 600d 197
The Tower of Pisa is ( ) meters high in altitude.
a 60
b 56
c 600
d 197

The Tower of Pisa is ( ) meters high in altitude.a 60b 56c 600d 197
B
【数据】
比萨斜塔从地基到塔顶高58.36米,从地面到塔顶高55米,钟楼墙体在地面上的宽度是4.09米,在塔顶宽2.48米,总重约14453吨,重心在地基上方22.6米处.圆形地基面积为285平方米,对地面的平均压强为497千帕.目前的倾斜约10%,即5.5度,偏离地基外沿2.3米,顶层突出4.5米.