【单选题】Questions 1 to 5 are based on the following passage: Chemistry did not emerge as a science until after the scientific revolution in the seventeenth century and then only rather slowly and laboriously....
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.
【单选题】Chemistry did not emerge as a science until after the scientific revolution in the seventeenth century and then only rather slowly and laboriously. But chemical knowledge is as old as history, being a...
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.