A-A+
According to the passage how did knowledge ab
问题详情
According to the passage, how did knowledge about chemical processes increase before the seventeenth century？
A．Philosophers devised theories about chemical properties.
B．A special symbolic language was developed.
C．Experience led workers to revise their techniques.
D．Experts shared their discoveries with the public.
参考答案
正确答案：C
解析：细节题。文章第一段最后一句New information was always being gained as artisans improved techniques to gain better results. (新的信息总是被获得，就像工匠改进技术以获得更好的结果一样。)因此选择C，改进技术所获得的经验。其他选项在文中有所提及，但并不是此问题答案。答案是C。
