The teacher doesn't allow us the dictionary in the test.
A：use
B：using
C：uses
D：to use
CO2释放量
O2吸收量
a
10
0
b
8
3
c
6
4
d
7
培养细菌真菌的方法包括配制培养基、____、____和恒温培养．
14____6=8
