67. (28020-!-item-!-188;#058&003766)
A pair of architects in
(A) build than conventional structures, and already designed a number of structures, including a bridge, for showing
(B) build than conventional structures, and they have already designed a number of structures, which includes a bridge, to show
(C) build than conventional structures, have already designed a number of structures, including a bridge, to show
(D) also to build than conventional structures, already designed a number of structures, including a bridge, which shows
(E) to build than with conventional structures, have already designed a number of structures, including a bridge, which shows
key: C 这里比较对象是giant arches, bridges, and walls 和conventional structures吗,感觉意思不对等阿?
对等的,giant arches, bridges, and walls made of artificial bone和conventional structures的比较。
一个是人造骨架的建筑,一个是传统结构的建筑。
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