①优质的服务使宴宾酒楼在开业不久就引起业界瞩目的重要原因。

修改意见：                                                   

②本产品具有抗紫外线、抗摩擦和防静电，能够满足室内外环境要求。

修改意见：                                                   

已知$△ABC$,点H,O为$△ABC$所在平面内的点，且$\overrightarrow{AH}·\overrightarrow{AB}=\overrightarrow{AH}·\overrightarrow{AC},\overrightarrow{BH}·\overrightarrow{BA}=\overrightarrow{BH}·\overrightarrow{BC},\overrightarrow{OA}+\overrightarrow{OB}+\overrightarrow{OC}=\overrightarrow{OH}$, 则点O为$△ABC$的 (  )

    My cousin Sandy is1English girl. Her2name is White. She is 12. The girl is3. In her room, her books and tape player4in the bookcase. Her pencil box is on the5. Her ruler is on the desk, too. And a set 6 keys are in her pencil box. A baseball is under the desk,7 it's not Sandy's. It's her brother8. Sandy has a computer. 9 on the table. There is a photo on the wall. Two girls are in the photo. Do you know10the two girls are? Well, they are Sandy's good friends, Mary and Anna.

下列字形和划线字注音全部正确的一项是（    ）