100%
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如图啊，我不明白C选项。。这是高考题
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100% |
![42天勇士[暑]](https://bbs.jd100.com/attachment/medal/a0f25f6f396ba8a.jpg "42天勇士[暑]"){kind=small}
![35天勇士[暑]](https://bbs.jd100.com/attachment/medal/bdf9a316a9af31b.jpg "35天勇士[暑]"){kind=small}
![28天勇士[暑]](https://bbs.jd100.com/attachment/medal/e87f38d2f0151f0.jpg "28天勇士[暑]"){kind=small}
![21天勇士[暑]](https://bbs.jd100.com/attachment/medal/63814ff34bb2a24.jpg "21天勇士[暑]"){kind=small}
![14天勇士[暑]](https://bbs.jd100.com/attachment/medal/ccbd3226d78250f.jpg "14天勇士[暑]"){kind=small}
![7天勇士[暑]](https://bbs.jd100.com/attachment/medal/8ad8dbd20210831.jpg "7天勇士[暑]"){kind=small}
![21天勇士[春]](https://bbs.jd100.com/attachment/medal/557cbed59379b9b.png "21天勇士[春]"){kind=small}
![14天勇士[春]](https://bbs.jd100.com/attachment/medal/0a2a8be87813938.png "14天勇士[春]"){kind=small}
![7天勇士[春]](https://bbs.jd100.com/attachment/medal/7b734d35544b9d3.png "7天勇士[春]"){kind=small}
![勇不止步[春]](https://bbs.jd100.com/attachment/medal/f783eb36b20a4e2.jpg "勇不止步[春]"){kind=small}
![28天勇士[寒假]](https://bbs.jd100.com/attachment/medal/f7cb21a2bdf0790.jpg "28天勇士[寒假]"){kind=small}
![21天勇士[寒]](https://bbs.jd100.com/attachment/medal/cda474e823b15b8.jpg "21天勇士[寒]"){kind=small}
![14天勇士[寒]](https://bbs.jd100.com/attachment/medal/9aacf8cc0ea8134.jpg "14天勇士[寒]"){kind=small}
![7天勇士[寒]](https://bbs.jd100.com/attachment/medal/3ae915c994fd934.jpg "7天勇士[寒]"){kind=small}
![20天大作战[2015]](https://bbs.jd100.com/attachment/medal/cec543c13f7ea1b.jpg "20天大作战[2015]"){kind=small}
![20天大作战[2014]](https://bbs.jd100.com/attachment/medal/465e7ccd53045d5.png "20天大作战[2014]"){kind=small}
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沙发#
发布于：2015-08-05 16:06
qinqinxiaoyao：我不会。。。。回到原帖你是高三的？ |
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板凳#
发布于：2015-08-05 16:07
qinqinxiaoyao：我就是抢个沙发回到原帖这是个严肃的问答帖，不能乱水  |
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地板#
发布于：2015-08-05 16:09
诚意求解答
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