According to Paragraph 5, the author tends to agree that _____.
A.researchers are usually selfless heroes B.we should not hold firm belief in science C.there should be no error in scientific work D.science needs discussion and disagreement正确答案D
According to Paragraph 5, the author tends to agree that _____.
A.researchers are usually selfless heroes B.we should not hold firm belief in science C.there should be no error in scientific work D.science needs discussion and disagreement正确答案D