请认真阅读下面的短文,从短文后所给的六个选项中选出五个可以填入空白处的最佳选项。
Koalas are lovely. Most of them live in Australia. Koalas have short front legs and long strong back legs. Their fur is brown and thick. (1)
B
A baby koala is very small when it is born. It is not bigger than your little toe. (2)
C
It lives in its mother's pouch(育儿袋) for 5 to 7 months. When the baby koala leaves its mother's pouch, it has lots of fur. And it is as big as your shoe. (3)
E
Koalas sleep during the day and eat at night. They have leaves as their food.
(4)
A
During the 1920s, however, people kept killing them for their fur and lots of koalas died. Later, laws were made to stop people from killing koalas and make the number of koalas increase.
Today, there are fewer than 100,000 koalas in the country and they are still in danger of dying out. Life is still not easy for them. (5)
F
A. Once there were millions of koalas in Australia.
B. It keeps them warm during the cold weather.
C. It has no fur and can't see anything either.
D. Koalas live in trees and have big noses to smell.
E. As adults, koalas grow to be about 60 cm tall and weigh from 9 kg to 13 kg.
F.
They have fewer and fewer places to live and many of them die from diseases.
