单项选择题

The passage mainly discusses _______.

A．division of labor between male and female mammals
B．how male are involved in the rearing process
C．how females choose their partners
D．factors affecting monogamy and polygamy

<上一题目录下一题>

热门试题

单项选择题

According to the passage, which of the following is TRUE of male dik-dik

A．He can in principle defend more than one female.
B．He practices monogamy.
C．He invests heavily in his offspring.
D．He is partly monogamous and partly polygamous.

单项选择题

We can conclude from the first two paragraphs that whether a male practices monogamy of polygamy depends on ______.

A．the amount of nurturing the young
B．the sex of offspring
C．the attractiveness of his female partner
D．the time of conception