摘要:( ) There are twenty caps in a room. Ten of them are red and the rest of them are blue. It is late at night. There is no lamp in the room. You go into the room to get two caps and you can’t see the colours. How many caps must you take out at least if you want to get two caps of the same colour? A. Two B. Three C. Four

网址:http://m.1010jiajiao.com/timu3_id_2832990[举报]

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网