

<script language=javascript>
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鞋垫具有哪些功能　（<span id=answer></span>）<br>
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                                A.消除脚气脚臭、风湿光节炎痛<br>
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                                B.促进循环         <br>
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                                C.A，B答案均是                                              <br>
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                                D.能强筋健力