问题
选择题
According to media reports, the London stadium is other Olympic stadiums in terms of steel used.
A．as 75% light as
B．75% lighter as
C．75% lighter than
D．as light as 75%
答案
答案：C
题目分析：考查倍数的表达：句意：根据医学报告，就使用的钢铁而言，伦敦体育馆比其他奥运体育馆轻75%。使用的是倍数+比较级+than的结构，AD项的75%应该在前面，B项应该是as light as，选C。