用所给词的适当形式填空 
All of us can get lots of presents on____ Day. (child)
Our school is big and beautiful. What about____?(they)
Be quiet! The mother with her twin babies____.(sleep)
You just need to practise____English more. (speak)
A good breakfast helps Amy____fit and health. (keep)
____ there a pair of trousers on the bed? I can't find mine. (be)
I don't know what____(choose) in the clothes shop.
There are some boys____ basketball on the playground. (play)
It takes me 2 hours ____ my homework every day. (do)
It's six o'clock now. Millie and Sandy____(not run) in the playground .

阅读材料，回答下列问题。

材料：为贯彻市场主体“法无禁止皆可为”、政府“法无授权不可为”的法治理念，促进国民经济持续健康发展，全国人大常委会决定，在制定和修改国家重要法律时，法律草案初审稿以及二审稿，都要向公众征求意见，让公众有更多的机会发表看法。2015年以来，全国人大常委会将促进科技成果转化法修正案（草案）、电影产业促进法（草案）等10多部法律草案向社会公众公开征求意见，近10万公众提出20多万条意见，对法律的修改完善发挥了重要作用。

结合材料，运用《政治生活》知识，阐释全国人大常委会制定和修改法律向公众征求意见的原因。

如果一个扇形的弧长等于它的半径，那么此扇形称为“等边扇形”，则半径为2的“等边扇形”的面积为（   ）

用所给词的适当形式填空

① It's important for the children ____ (make) friends with others.

② The 31st Olympic Games ____ (hold) in Brazil.

③The ____ (discuss) went on for an hour this morning.

④ ____ (compare) with my homework, his is much better.

⑤ He is the first one to reach the ____ (finish) line in the running race.

安徽省第12届运动会于2010年10月16—26日在淮南市举行。体育运动中有许多地方涉及到物理知识，下列分析错误的是（   ）