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.
, 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.
(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
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发表于 2010-1-6 22:10:27
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