单项选择题

A．therefore
B．however
C．while
D．but
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单项选择题
A．discardedB．excludedC．replacedD．eliminated
A．discarded
B．excluded
C．replaced
D．eliminated
单项选择题
A．exaggerationB．exhibitionC．extensionD．exposure
A．exaggeration
B．exhibition
C．extension
D．exposure
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