黑布林英语阅读 初二年级第一辑——The surprise

Summary...
Aunty gives the family a surprise. She takes an egg from Greenland. The egg was borned in a warm place and it is a pterodactyl. When the pterodactyl was borned, it is very hungry so the family give it lots of food to eat. One day, the pterodactyl sicks , it cannot fly. Aunty takes it to his company——an museum. The pterodactyl lives very comfortable and the pterodactyl catches two thief and saves the meseum.
Question...
1.Why do mayor thank the pterodactyl?
Answer: Because the pterodactyl catches the thieves and saves the museum.
2.What is the surprise?
Answer: The surprise is an egg and it changes to the pterodactyl.
3.How can we protect this valuable animal like the pterodactyl?