长篇阅读

　　36.C.

　　piaget Believed that small children

　　37. J

　　The author and his colleagues

　　38. B

　　In the latter half of the last century

　　39. A

　　Research conducted by Jane.

　　40. K

　　Our improved understanding of babies.

　　41. E

　　It has been found in recent research

　　42. M

　　Scientists are still debating. .

　　43.H.

　　the newer research methods focus on

　　44. D

　　With the progress in psychology

　　45. L

　　Even though marked advances have been made.