由二氧化碳、氢气、一氧化碳组成的混合气体在同温、同压下与氮气的密度相同。则该混合气体中二氧化碳、氢气、一氧化碳的体积比为

题干

由二氧化碳、氢气、一氧化碳组成的混合气体在同温、同压下与氮气的密度相同。则该混合气体中二氧化碳、氢气、一氧化碳的体积比为（）

A：29∶8∶13

B：22∶1∶14

C：13∶8∶13

D：26∶18∶13

上一题下一题 0.0难度选择题更新时间:2020-03-30 12:50:39

C

根据表格内容, 选择正确答案。

(B)

Wang Wei	I can't sing or dance. I can play the guitar. But I couldn't play it three years ago.
Alice	I can sing and dance. I can also play the piano. When I was six, I couldn't play the piano at all.
James	I can swim and cook. I can't draw pictures. I could swim when I was five years old.
Liu Fang	I can perform ballet and dance to disco. I can also sing English songs. But I couldn't sing English songs two years ago.