According to the passage, Freud and other psycholoeists thought civilization ________ .
A.showed that people have animal instincts
B.greatly improved peopfe's lives
C.encouraged people to use the basic instincts
D.caused madness in some people

It can be inferred from the passage that evolutionary psychologists dislike nostalgia for the 1950s because ___________ .
A.it was an unhealthy time to live
B.the nuclear family provided an unsatisfactory lifestyle
C.women who wished to go out to work were misguided
D.family life was seen to be unnalural

The word “bygone” in paragraph 2 could be replaced by __________ .
A.overlooked
B.forgotten
C.past
D.original

The word “one” in paragraph 1 refers to the _________ .
A.mismatch theory
B.field
C.modern environment
D.ancestral environment

The word “contours” in paragraph 1 is closest in meaning to __________ .
A.actions
B.limits
C.structures
D.outlines

The word “susceptible" could be best replaced by ___________ .
A.condemned
B.vulnerable
C.allergic
D.suggestible

The aulhor suggests that melanin _______ .
A.is necessary for the production of vitamin D
B.is beneficial in sunless climates
C.helps protect fair-skinned people
D.is a synthetic product

The word “horny” in paragraph 1 is closest in meaning to __________ .
A.firm
B.strong
C.tough
D.dense

According to the passage, men who do body-building __________ .
A.appear like sculpture
B.change their appearance
C.belong to strange cults
D.are very fashionable

What does the passage mainly discuss?
A.How the principles of use and disuse change people’s concepts of themselves.
B.The way in which people change themselves to conform to fashion.
C.The changes that occur according to the principle of use and disuse.
D.The effects of the sun on the principle of use and disuse.