3. 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.

　　4. 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.

　　5. 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.