根据句意及首字母提示完成句子
1. Thirty m____ is half an hour.
2. One k____ is 1000 meters（米）.
3. Mary wants to buy a n____computer. Her old one is broken(坏的).
4. He gets up early e____ morning.
5. -How do you get to work, Emma?
-I get to work b____ bike.
一年有____个月，平年全年有____天，闰年全年有____天。
在﹣ 2 ，0. 3⋅1⋅ ， π3 ， 17 ，0.80108中，无理数的个数为（ ）
