100. 听下面材料，回答第(1)--(5) 题。
The name of the mascot（吉祥物）of World Expo Shanghai China is Hai Bao, which means the treasure of the sea. The name of Hai Bao is easy to remember, reminding us of the color of its body and a typical lucky name in Chinese tradition. Hai Bao is the goodwill ambassador of Shanghai Expo. He is embracing friends from all over the world with his arms and confident smile. Using the Chinese character "ren"（人）as the mascot of an international event is an innovation.
Hair: the hair of the mascot is like the wave of the sea, which represents its open character and states the character of its birth place Shanghai.
Face: its cartoon expression shows its confidence and friendly character.
Eyes: big, round eyes show his anticipation of the city.
Blue: the color shows its latitude（包容）and imagination, which represents the rising and potential China.
Body: its round body represents a well-off life, which is also lovely and cute.
Fist: he thumbs up to show the appreciation and warm welcome to the friends from all over the world.
Big feet: he stands steadily on the big feet and embraces the world with big arms, which shows China has the ability and faith to host a successful Expo.
(3) a well-off life