阅读理解。
1.If someone sees a newly born koala bear, he will be surprised because it's very ______. [ ]
A.weak
B.small
C.short
D.black
2.A baby koala can't live without ______. [ ]
A.its father
B.grass
C.its mother
D.people
3.The kangaroo is the national symbol of ______. [ ]
A.Canada
B.Australia
C.America
D.Britain
4.There are more ______ than people in Australia. [ ]
A.kangaroos
B.koala bears
C.monkeys
D.elephants
5.We can guess that koala bears and kangaroos are ______ animals in Australia.[ ]
A.beautiful
B.playful
C.endangered (危险的)
D.popular
