问题
选择题
I want you ____ with me every day.[ ]
A. exercise
B. to exercise
C. exercises
答案
答案：B
搜题请搜索小程序“爱下问搜题”
I want you ____ with me every day.[ ]
A. exercise
B. to exercise
C. exercises
答案：B
置于试管中充分加热，直到不再生成气体时测得生成CO2的体积在标准状
况下为２.２４L.求（１）原混合物中NaHCO3的质量 （２）Na2CO3与NaHCO3的物质的量比