我们从外界获取的信息中，大多是来自（　　）

流域（yù huò）____   繁衍（yǎn  yán）____ 结构（ɡòu  ɡǒu）____侵蚀（shí  shì）____

耕地（ɡēnɡ ɡēn）____ 频繁（pín pínɡ）____ 选择（zé zhái）____  资源（zī zhī）____

Welcome to the City Zoo! There are many1in the zoo. Let’s see the koalas first. Koalas are2Australia. They are quiet,3and cute. Children like them very much. The kangaroos (袋鼠) are also from4. They are quiet and interesting,5they are not friendly.
The giraffes come from Africa. They have a6neck (脖子). They like to eat leaves. The lions are also from Africa. They are exciting, but a little7. Many people don’t like8. We also have pandas. They are from China. They are very cute and friendly, but they are very shy. So please be9.
Have10and enjoy yourself here!