给下面的诗句填写修辞方法。
淡月隐梅花。____
人体在运动过程中要消耗大量氧气,所以呼吸次数会增加。( )
Present at the historic meeting ________ many an official on Nov 7, of course President Xi Jinping and Ma Ying-jeou ________.
①NH4++O2﹣NO2﹣+H++H2O(未配平)
②2NO2﹣+O2=2NO3﹣
③6NO3﹣+5CH3OH+6H+=3N2+5X+13H2O
下列说法中正确的是( )