翻译！高手来，满意后重赏！
你们国家多少时间换一次总统？
你知道美国的国花和中国的国花是什么吗？
除夕你们有什么特别的事？
请看以下图片，再找出不同和相同。
用英语翻译，急求，谢谢！！！！！！！！
参考答案:How often does your country select a new president?
Do you know the typical flower of the country between US and China?
Is there something special for you to do on the New Year's Eve?
Please find out the difference between the pictures as follows.