The author implies that Dorothea Dix's work with the insane was interrupted because of ______.
A. an illness
B. the Civil War
C. her trip to England
D. her grandmother's death
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Matsuzawa wanted to find out the process of ageing could be ______.
Through using the brain is the best way to maintain good ______.
Genetic engineering is absolutely good for human.
A. Right
B. Wrong
C. Not mentioned
Anthropologists believe differences between traditional and modern societies are that in the old society ______.
A. there was secluded love affair between children and parents
B. parents got some help from others to rear the infant
C. only infant's parents looked after their child
D. children were separated from their parents at early stage