液化石油气气态密度与下列哪些因素有关()?
A.组分
B.压力
C.温度
D.纬度
E.浓度
参考答案:A, B, C
I usually have some bread and two ______ for my breakfast.
A.milk
B.milks
C.bottle of milk
D.bottles of milk
银行经营所处环境主要指金融环境。