句式变换练习。

①肖邦不得不离开自己的祖国。（改成反问句）

②肖邦怎么不日夜思念着祖国呢？（改成陈述句）

阅读短文，回答问题。

    前几天，我哥把从鱼塘捉回来几条鲫鱼养在缸里。我仔细观察，鲫鱼是由三部分组成的，头、躯干和尾。鱼头上有一对眼睛，然后又半圆形的腮，它呼吸的时候，嘴一张一闭，腮也一张一合，让水从腮里流出来。躯干上有鱼鳞，胸部两边长着一对胸鳍；还有一对腹鳍长在腹部两边。游动的时候，一扇一扇的，好看极了。臀鳍像一片嫩叶；尾巴上长着像叉子一样的尾鳍。尾鳍用处可大呢！它可以推动鱼身前进、拐弯。鲫鱼在游动时，像一艘潜水艇在水中自由自在地航行。

    I went to Australia for summer holiday with my parents last year. I was so excited about the 1.

    We did many things there. The first day, we 2 Sydney. We had some 3food for lunch there. After lunch，we went to a big 4 . We saw tigers and koalas. The animals weren't 5 of people.

    6that, we had a walk and we 7 at a restaurant. We went back to the 8 to rest at 9: 00 in the evening. I was very 9. But I really 10 myself. I hope to go there again.

____，则知明而行无过矣。（荀子《劝学》）