中等程度手术，合成代谢期一般发生于术后1～2天。
参考答案：错
They are in China and they can speak _________ Chinese. [ ]
A little
B. a little
C. many
D. any
This is a ____________.
These are ____________.
____________________.
____________________.
____________________.
____________________. 
____________________.
____________________.