- The population of China is larger than ______ of India.
- Yes, but India's population is increasing rapidly.
A:it
B:one
C:that
D:this
①CH3CH2CH3 ② ③CH3CH2CH2Br
④CH3CH2CH2OH ⑤CH3CH2CHO ⑥HCOOCH2CH3
在胃里开始消化,在小肠内完全被消化的物质是 ( )