结构较疏松,细菌组成复杂,变化较大,同时含有食物残渣、上皮细胞等的为
The word "exacerbate"(paragraph 3) has similar meaning with
A. reduce.
B. intensify.
C. weaken.
D. encourage.
There are quite a number of food processors which are interested in producing irritated foods.
A. Right
B. Wrong
C. Not mentioned