B
Test question analysis: A reveals that we do not only rely on books, but only facts; B reflects the inconsistency between saying and doing; C means that truth is objective, It is not something that comes out of debate; D. Knowledge is unlimited and must be developed in practice. The person in the cartoon advertises high-quality service but fails to deliver, which is a manifestation of inconsistency between what he says and what he does. It is consistent with the philosophy contained in B.
Comments: This question tests students’ memorization and understanding of multiple contents in the form of comics and ancient sayings. It requires students to accurately interpret the meaning of the comics and make judgments based on their understanding of the options. It is relatively difficult. big.