To improve one's cognitive ability, scientists suggest in Paragraph 8 that（）.
A.the ways frequently chosen are the best B.new ways should be found quickly C.any way is good as far as it is safe D.various ways should be tried正确答案D
To improve one's cognitive ability, scientists suggest in Paragraph 8 that（）.
A.the ways frequently chosen are the best B.new ways should be found quickly C.any way is good as far as it is safe D.various ways should be tried正确答案D
