A. scientific society  B. technical groups

C. complex situation  D. knowledge system

44. We need to know something about science because __________.

A. scientists have specific scientific ideas

B. science affects almost every field of our life

C. it is easier to understand general characteristics of science

D. it is not easy to understand the things that excite and discourage scientists

45. The book mentioned in this passage is written for readers who __________.

A. are scientists making influential contributions

B. want to have a little understanding of science

C. want to break the male-controlled world

D. have a misunderstanding about science

46. This passage most probably is __________.

A. the review of a boo B. the concluding part of a book

C. the information added to a book D. the introduction of a book

47. According to the passage, we can infer that the book probably is __________.

A. interesting B. serious  C. realistic   D. humorous

D