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| 文章出处：学生大考试站 发布时间：2005-10-12 |
down in symbolic language intelligible to very few or in symbols that were purposely obscure.
36. What is the passage mainly about?
A The scientific revolution in the seventeenth century
B Reasons that chemistry developed slowly as a science
C The practical aspects of chemistry
D Difficulties of organizing knowledge systematically
37. According to the passage, how did knowledge about chemical processes in crease 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.
38. The word “hampered" in Line 1 Para 2 is closest in meaning to_____ .
A recognized
B determined
C solved
D hindered
39. The word “it" in Line 3 Para 2 refers to which of the following?
A problem
B material
C difficulty
D system
40. Which of the following statements best explains why “the second of the se was the more
serious impediment" (Lines 5-6 Para 3 )?
A Chemical knowledge was limited to a small number of people.
B The symbolic language used was very imprecise.
C Very few new discoveries were made by alchemists.
D The records of the chemical processes were&nb
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