精选优质文档-倾情为你奉上1、What is black when it is clean and white when it is dirty?2、What will you get if you cut the head of a bear?3、What number comes next? 1,2,4,7,11,16,( )4、A plane left Beijing to Guangzhou .The whole fight takes four hours.The plane left Beijing at 10 oclock.Shanghai lies in the middle of two cities.Now it is twelve oclock.Where is the plane now?5、If two cats are in front of a cat ,and two cats are behind a cat,and one cat is in the middle,now many cats are there in
