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题库 / GMATAdvanced-SC-45
Chinese public buildings erected under a construction code of the Sung dynasty have withstood earthquakes well because the white cedar used has four times the tensile strength of steel and the timber frame, incorporating many joints and few nails, is flexible.
used has four times the tensile strength of steel and the timber frame, incorporating
used in them has four times the tensile strength of steel has and the timber frame, incorporating
that was used in them has four times the tensile strength steel has, and the timber frame, incorporating
that was used has four times as much tensile strength as steel, and the timber frame incorporates
that was used has four times the tensile strength steel does, and the timber frame incorporates
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B:
steel has, 主谓结构，一个句子
of后面不能直接加句子，应该把of改成that
A:
is four times the tensile strength of steel 抗拉强度是钢的4倍
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