Do you live here or ________ you visiting? （  ）

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!

生物对地理环境的作用归根结底是由于绿色植物能够进行光合作用。(    )

仿写句子。
例句：人生是一支歌，悠扬的旋律谱写出春天的耕耘和秋天的收获。
仿句：人生是        ，                                       。