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
语法点:倍数的表达。
1. A has four times the strength of B. - 选项1正确。
2. A has four times as much strength as B (has). - 选项2&3表达都有误。
通过Incorporating补足语可以快速排除选项4&5。
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