BR>37. Accoring to the first paragraph, some women attributed lapses in memory or concentration to __
A) their pregnancy 
B) the "baby brain" 
C) an unscientific cause 
D) changes to their brains
58. By saying that "the effect was 'a myth' ", Helen Christensen points out that the idea of "baby brain" __
A) was mysterious 
B) was groundless 
C) was noteworthy 
D) was unexpected
59. Helen Christensen concludes in the sixth paragraph that __
A) mothers are respected by their peers 
B) mothers are as intellectual as their peers
C) mothers are able to keep up with their peers 
D) mothers are despised by their intellectual peers
60. Cathy Warwick is most likely to agree that pregnant women __
A) need better care 
B) had better stay home 
C) must stand hardships 
D) may suffer lapses
61. Why does the author mention the high infant death rates in the last two paragraphs?
A) To illustrate the inefficiency of the Government.
B) As the data of Helen Christensen's research project.
C) To illustrate the difficult pregnancy and motherhood.
D) As the result of mothers' absent-mindedness and tiredness.

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