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语法错误分析.Althoughallsedimentaryrockscontainiron,butthedepositsthatarerichestinironABconsistpredominantlyofmineralssuchasironoxides,carbonates,silicates,andsulfides.CD
题目详情
语法错误分析.
Although all sedimentary rocks contain iron,but the deposits that are richest in iron
A B
consist predominantly of minerals such as iron oxides,carbonates,silicates,and sulfides.
C D
Although all sedimentary rocks contain iron,but the deposits that are richest in iron
A B
consist predominantly of minerals such as iron oxides,carbonates,silicates,and sulfides.
C D
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答案和解析
A是错误的.把连词although去掉,因为句子中有but,but也是连词,连接两个句子,只需要一个连词就够了,就像是because不能和so 连用一样.
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