This text is most probably a______.A．fictionB．biographyC．news reportD．memoir

This passage most probably is_________A． a book reviewB． the preface of a bookC．

This text is mainly about__________． 查看材料A.the scie

This passage is most probably a（n)______.A．fictionB．biographyC．news reportD．memoirs

This text is most probably taken from_ A. a research paper B. a newspaper report C. a

This text is mainly about ______.A．the health ben

This text is mainly about______.A．improving cance