你知道吗？--（37）

DID YOU KNOW:  

***A snail can sleep for three years.

***A species of earthworm in Australia grows up to 10 feet in length.

***A woodpecker can peck twenty times a second.

***About 1 in 30 people in the U.S. are in jail, on probation, or on parole.

***According to Gaming Law, casinos have to stock enough cash to cover all the chips on the 'floor'.

***Proportionally, hash browns have more fat and calories than a cheeseburger or Big Mac.