题目内容：
肺活量异常的标准为实测值/预测值 （ ）A．<85%
B．<65%
C．<95%
D．<90%
E．<80%
参考答案：
选择题：肺活量异常的标准为实测值／预测值 ( )A.<85% B.<65% C.<95% D.<90%E.&l
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