如图，△OAB绕点O逆时针旋转80°得到△OCD，若∠A=110°，∠D=40°，则∠α的度数是（      ）

    每féng____假期，我总要回到乡下老家去住几天，那里虽有些yáo____远，但却有我的表xiōng  dì____、表姐妹，还有和我一块玩耍过的小伙伴。他们只要一听说我来了，就会jí____时赶到奶奶家，围着我问长问短，在那里住上几天，会耳wén____目睹许多趣事。

Boys and girls,

Attention, please! Do you know 1to keep safe in our daily（日常的）life? Today I’d like2 you some ways to keep safe.

1  Always play in a 3 place. A park is a safe place4 there are no cars or buses in it.

2  5 the traffic rules, please! Before crossing a road,6 and look both ways ——look left, look right and look left 7.

3  Never put your head or hands 8 a car, a bus or a train. Many people get 9 or lose their lives by doing so.

4  Don’t 10 a stranger（陌生人）or go with him/her.

That’s all. All the students should obey the rules anytime(任何时候).

用现代汉语翻译下列句子。