A:12条
B:24条
C:36条
D:48条
下列各句中,划线的成语使用恰当的一项是( )
①增大压强 ②增加炭的量 ③通入CO2 ④恒压下充入N2 ⑤恒容下充入N2 ⑥升温
Hundreds of football fans were t____ away from the stadium because it was full.