根据句意填空,首字母已经给出。

1.When you want to post a letter,you need a s________.

2.You room is u________.You need to clear it up.

3.Edison was so c________ that he invented a lot of things.

4.You have collected all different kind of dolls.We can say you have a big c________.

5.Many students have h________ such as reading,painting and so on.

如图所示，2010年2月，首次参加冬奥会的中国女子冰壶队，获得温哥华冬奥会女子冰壶铜牌，这也是中国第一枚冬季运动集体项目的奥运会奖牌！中国冰壶女队继2009年世锦赛后再度创造了历史。比赛中掷出的冰壶能在冰面滑行，是由于冰壶具有______    ，而冰壶最终会停止下来，是因为____________     。