启蒙两年了花一块钱测了下ar值
lot 34 5th grade reading level chapter books accelerated reader
给孩子搞英语阅读的妈妈,没有不知道ar值的对吧,做ar值的这家公司每年
25 rl 5 grade 5 5th grade accelerated reader ar chapter books
0,raz在读level n,目前已经实现中英文自主阅读;苹果是中班的小豆包
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