单选题
公共英语五级
2010-07-13
The meaning of the word“peristalsis”in Paragraph 3 is similar to__________．
参考答案
C
答案解析
根据第三段的“the rhythmic contraction that moves food down your intestine”可以推断出peristalsis就相当于crawling，意思是“有节奏的蠕动”。故应选C。
