今年一轮又一轮的寒潮席卷全国．某商场为了了解某品牌羽绒服的月销售量y（件）与月平均气温x（℃）之间的关系，随机统计了某4个月的月销售量与当月平均气温，数据如下表：

由表中数据算出线性回归方程$\stackrel{\wedge }{y}$=bx+a中的b≈﹣2．气象部门预测下个月的平均气温约为6℃，据此估计，该商场下个月毛衣的销售量的件数约为____ 

下列词语中，划线字的读音全部正确的一项是（    ）

短文填空

Hi, Tony!

    I want to tell you a ____ my family. You know I have a sister and she is 13. She likes s____ and dancing. She is s ____ and p____. My father works h____. He is a doctor. He enjoys w____ TV, r____ books and talking w____ his friends. My mother a____ works hard. She is a teacher. She t____ Chinese. She likes cooking. My family has a car. We often go for a picnic.