等物质的量的下列气体所含原子数最多的是

题干

等物质的量的下列气体所含原子数最多的是

A：H₂

B：CO

C：CO₂

D：CH₄

上一题下一题 0.0难度选择题更新时间:2018-12-03 03:41:24

STUDY ENGLISH IN AMERICA
Country	Tina comes from ____.
Weekend Activity	Tina visits____ on Sundays.
Location	Tina's host family is in a ____ area.
TV Program	Tina always watches ____ in the evening.
Study Time	Stay for ____ and study English as Tina does!