先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案。

    Carol is a middle school student；She does well in only one subject.That is1.  Carol always does her history homework well and2good grade(分数)in history tests She likes her history teacher Mr．Aragon．She feels that he is like her3．

    At a parent—teacher meeting，Carol's mother has a4with Mr．Aragon．She says that Carol doesn't do well in5subjects．She hopes Mr．Aragon can6her．"Oh．I didn't know that．She is7．I'll try to talk to her,"says Mr．Aragon．

    When Mr．Aragon talks with Carol8her other subjects，Carol doesn't feel good，9she is grateful(感激的)．She knows that Mr．Aragon is trying to help．Carol 10his advice(建议)and tries to do well in other subjects．

社区干部环境卫生委员的职责是宣传科普知识、开展体育活动；文化教育委员的职责是保持社区整洁、美化社区环境。（    ）

如图空间存在两个相邻的磁感应强度大小相等方向相反的有界匀强磁场，其宽度均为L，现将宽度也为L的矩形闭合线圈从图示位置垂直磁场方向匀速拉过磁场区域，则在该过程中能正确反映线圈中所产生的感应电流或其所受安培力随时间变化的图象是：（规定线圈中逆时针为电流正方向，线圈受安培力方向向左为正方向）（   ）

梅子留酸软齿牙，芭蕉分绿与窗纱。

日长睡起无情思，闲看儿童捉柳花。