We can achieve knowledge

48. According to the passage, passive learning may occur in _______.
A. doing a medical experiment B. solving a math problem
C. visiting an exhibition D. doing scientific reasoning

49. The underlined word “it” in Paragraph 2 refers to _____.
A. active learning B. knowledge
C. communication D. passive learning

50. The author mentions the game Rumor to show that _____.
A. a message may be changed when being passed on
B. a message should be delivered in different ways
C. people may have problems with their sense of hearing
D. people tend not to believe in what they know as rumor

51. What can we infer from the passage?
A. Active learning is less important. B. Passive learning may not be reliable.
C. Active learning occurs more frequently. D. Passive learning is not found among scholars.

答案 48.C 49.D 50.A 51.B

CDAB

A C B D B