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题库 / Prep2007E2-SC-67
A pair of architects in Britain, who say that giant arches, bridges, and walls made of artificial bone could be easier to design and build than conventional structures, and already designed a number of structures, including a bridge, for showing how their idea would work.
build than conventional structures, and already designed a number of structures, including a bridge, for showing
build than conventional structures, and they have already designed a number of structures, which includes a bridge, to show
build than conventional structures, have already designed a number of structures, including a bridge, to show
also to build than conventional structures, already designed a number of structures, including a bridge, which shows
to build than with conventional structures, have already designed a number of structures, including a bridge, which shows
build 和 to build 差别都不大（感觉太细了），主要是后面是否跟一个非限定性定语从句which的区别：如果是选DE 就会变成 a bridge, which shows how their idea would work. 只有这座桥才能展示他们的idea
但实际上是他们做了a number of structures to show·····（我也翻船了，太讨厌这种要慢慢品的题目····
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