文档介绍：[小学生英语脑筋急转弯] 
1, Which two words contain thousands of letters? Post office
2, What kind of dog does not bite or bark? A hot dog
3, Why do people go to bed? Because the bed won’e to us.
4, What year is the best year for a kangaroo? Leap year
5, Why is Sunday is the strongest day in a week? Because the rest of the days are weak days.
6, What will break once you say it? Silence
7, What fruit is never found singly? Pear
8, What clothing is always sad? Blue jeans
9, What is heavier in summer than in winter? The traffic to the beach
10, When are people smartest? When it’s sunny, everything is brighter
11, How many legs do horses have? Six. Forelegs in the front, two in the back
12, What’s the poorest bank in the world? The river bank
13, Who is closer to you, your mom or your dad? Mom. Because dad is farther.
14, What is the smallest room in the world? A mushroom
15, What has nothing but a head and a tail? A coin. Head(正面) tail (反面)
16, What kind of water should people drink in order to be healthy? 
Drink well water.
17, Why is 10×10=1000 like your left eye? Because it’s not right.
18, What do you still keep after giving it to someone else? Your word
19, Take away my first letter, take away my second letter, take away all my letters, and I remain the same, what am I? a postman
20, What king belongs to a student? A ruler
21, How long is a shoe? A little more than