hat are formed by scientists
[B] people whose knowledge of science is very limited
[C] the scientific community
[D] people who make good contribution to science
17. We need to know something about the structure and operation of science because _____.
[A] it is not easy to understand the things that excite and frustrate scientists
[B] Science affects almost every aspect of our life
[C] Scientists live in a specific subculture
[D] It is easier to understand general characteristics of science
18. The book mentioned in this passage is written for readers who _____.
[A] are intelligent college students and lay person who do not know much about science
[B] are good at producing various gadgets
[C] work in a storehouse of dried facts
[D] want to have a superficial understanding of science
19. According to this passage, _____.
[A] English is a sexist language
[B] only in the scientific world is the role of women increasing rapidly
[C] women are making significant contributions to eliminating the inadequacy of our language
[D] male nouns or pronouns should not be used to refer to scientists
20. This passage most probably is _____.
[A] a book review
[B] the preface of a book
[C] the postscript of a book
[D] the concluding part of a book
责任编辑:yechenglu











