Give the verb form of the following word:definition
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Please match the words numbered 1 to 6 with their corresponding meaning numbered A to F.
Please match the words numbered 1 to 7 with their corresponding meaning numbered A to G
对于固体废物厌氧消化的三阶段理论。第二阶段的厌氧微生物主要是:()。
A. 酵母菌
B. 水解菌
C. 产甲烷菌
D. 产酸菌
在有机固体废物厌氧反应过程中,大部分的甲烷主要是由下列哪种中间产物转化而来的?
A. 丙酸
B. 氢气
C. 乙酸
D. 甲醇