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
B: them指代有歧义,steel后面的has多余
C: them指代有歧义,has four times the tensile strength steel has尴尬,要不像A一样用of,要不像D用as。。as。。
D:incorporates错误,句子里不能再出现谓语了
E:incorporates错误,句子里不能再出现谓语了,比较错误
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