之所以说1861年农奴制改革是俄国历史上一个重要转折点，主要是因为它

如图，已知点A是双曲线y= $\frac{\sqrt{6}}{x}$ 在第三象限分支上的一个动点，连结AO并延长交另一分支于点B，以AB为边作等边三角形ABC，点C在第四象限内，且随着点A的运动，点C的位置也在不断变化，但点C始终在双曲线y= $\frac{k}{x}$ 上运动，则k的值是____.

    There is a zoo near my house. I like ____  there. There are many ____  in it.
    Look! There is a koala ____  the tree. Isn’t he ____ ? Under the tree, there is a ____ . Her neck(脖子) is so long. She is a lovely girl. ____  is the panada? She is eating the bamboo(竹子). She's ____  shy. But the elephant is interesting. He is playing with kids with his____ nose. They are very funny. Look! In the pool, there are two dolphins. They are playing with ____  balls. ____  happy they are !

选择正确的读音 。

唤（huàn hàn）____  

狂（kuáng  kuán）____