We plan to go to the park on Sunday to feed the gold fish there.     

如图，在△ABC中，∠ACB=90°，AC=BC=2，将△ABC绕AC的中点D逆时针旋转90°得到△A'B′C'，其中点B的运动路径为 $\overrightarrow{B{B}^{\prime }}$ ，则图中阴影部分的面积为____．

遵守宪法和法律是***领导的多党合作的根本活动准则，回答21-22题。
【小题1】这一准则的基本内容包含（   ）
①各民主党派与共产党一样，得到宪法的承认和保护   
②各政党都享有宪法规定的政治自由、组织独立和法律地位平等   
③各政党都应在法律规定的范围内开展活动   
④各政党在政治生活中的地位完全平等

A．①③④

B．①②③

C．①②④

D．②③④

【小题2】***是我国的执政党。下列能够体现其执政地位的是  （   ）

根据短文内容，选择最佳答案，并在答题卡上按要求作答。

B

Beyond Beyond (2014 )

    The film (Beyond Beyond) is the story about a little rabbit, Johan, who sets out on an amazing journey to find his mother and reunite(使重聚) her with her family. The film was first produced in Sweden.

    It's such a wonderful movie that I've seen it twice. The beautiful scenes impressed me a lot.

— Lucy

    My eight-year-old son and I went to see this movie this Tuesday. We were really surprised at how exciting it was. I would recommend（推荐）this cartoon to the whole family.

 — Mrs. White

已知α，β角的终边关于y轴对称，则α与β的关系为____．