A、<img width="60" height="24" src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/30d9ce78-d0b4-4f09-bd39-a0bb7e2ffdd3.png" />
B、<img width="62" height="22" src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/4e96b323-5c41-44d7-b589-38a380aae1ca.png" />
C、<img width="104" height="22" src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/087ab384-0129-44b5-8ee7-ff59d3298ae7.png" />
D、<img width="94" height="21" src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/85950cc1-353b-477c-abbb-00ae830bbb93.png" />
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题58图