It took several hundred years ______ paper-making spread to western countries.A.
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It took several hundred years ______ paper-making spread to western countries.A.when | B.before | C.after | D.since |
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答案
B |
解析
连词辨析。 A.当……时 B.在……之前 C.在……之后 D自从……。 句意:造纸术花了几百年才传到西方国家。意思是在造纸术完全传到西方之前用了几百年的时间,故选B。 |
举一反三
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