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题库 / Prep2008E1-SC-248
The United States minted about 857 million silver-colored "Susan B. Anthony" dollars between 1979 and 1981, but the coin proved unpopular because it looked and felt too much like a quarter.
The United States minted about 857 million silver-colored "Susan B. Anthony" dollars between 1979 and 1981, but the coin
About 857 million silver-colored "Susan B. Anthony" dollars were minted as coins in the United States between 1979 and 1981 but
About 857 million silver-colored "Susan B. Anthony" dollars that were minted between 1979 and 1981 in the United States
About 857 million silver-colored "Susan B. Anthony" dollars that the United States minted between 1979 and 1981
Between 1979 and 1981 the United States minted about 857 million silver-colored "Susan B. Anthony" dollars, which
题目分析：
略。
选项分析：
A选项：Correct. 本选项在语法和逻辑上均是正确的。
B选项：未划线部分的代词it无指代对象，it只能指代一个单数名词，而划线部分中的coins是复数名词，无法被单数代词指代。
C选项：代词it无指代对象错误同选项(B)。
D选项：代词it无指代对象错误同选项(B)。
E选项：the United States minted about 857 million silver-colored “Susan B. Anthony” dollars和about 857 million silver-colored “Susan B. Anthony” dollars proved unpopular应具备转折关系，不能能是本选项中的修饰关系。
注意一定要注意到代词的单复数问题 看到未划线部分有it就一定要找到前面对应的单数！！此题中一定要发现coin的考点
BCDE 【未划线部分的it】没有指代（只有A选项but后有the coin其余都无），前面的dollars是复数！！！
未划线部分的代词it无指代对象，it只能指代一个单数名词，而划线部分中的coins是复数名词，无法被单数代词指代。
prove系动词，主动表被动，
proved是系动词吧登录 或 注册 后可以参加讨论
bcde均无指代，只有a中的单数coin符合要求
人家A选项里的the coin前面有了定冠词the，表示指代前面出现过的coin。在这点上，这几个选项是一样的。登录 或 注册 后可以参加讨论