段落匹配：
36. C
piaget Believed that small children
37.J
The author and his colleagues
38.в
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.