下列语句中运用修辞格最多的一项是（　　）。

阅读短文，判断正误。
    Hello, friends! Let's go on a trip to Beijing. Beijing is the capital city of our country. It's in the north of China. There is a big square in this city. Do you know its name? Its name is Tian'anmen Square. In Beijing, you can see the Bird's Nest(鸟巢). The 2008 Olympic Games were held in it. And you can see some old buildings, such as the Palace Museum. The Great Wall is also very famous in China. It's very old and long.

 空气中能供给动植物呼吸的气体是（　　）

下列关于声音的说法正确的是（   ）

创建于清康熙八年的北京同仁堂是中药行业著名的老字号。1954年同仁堂响应国家号召，顺利实现了公私合营。这一过程是属于对资本主义工商业的改造。