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Cement was seldom used in building during the Middle Ages.
A:crudely
B:rarely
C:originally
D:symbolically
B:rarely
C:originally
D:symbolically
参考答案
参考解析
解析：本句意思：在中世纪建筑中很少使用水泥。seldom意思是“很少，不常”，与rarely（难得，罕见地）意思相近。crudely粗糙地，天然地；originally原来，起初；symbolically象征性地。
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