In the second paragraph "if we take two unrelated people at random from the population ..." means "if we ______."

A . A. natural B . B. great C . C. obvious D . D. absolute

A．award B．summary C．highest-point D．mountain top

A．lifted B．raised C．rose D．under water

A．on their way to adulthood, some children just behave like foreigners B．only in single parent homes, a healthy and loving air is a very important factor in raising teens C．raising teenagers is a difficult task especially in a single parent family D．many parents divorced as a result of their children's pitting

A.people should create more natural environment areas B.people would go on protecting national parks C.certain areas of countryside should be preserved D.people should defend the right to live in a peaceful environment

A．The science of mind has been developing steadily. B．Our life has become more balanced today than before. C．We don't believe science any more. D．We have become more reasonable in judging the scientific results. 此题为多项选择题。

A．invest B．benefit C．make profit D．gain

A. the third week. B. the third shift. C. a third of the time. D. the third routine.

A．a rather strange person B．a person of no exceptional ability C．an ambitious person D．peculiar or unusual

A．carry B．take C．arouse D．under water

A．temporary loneliness B．situational loneliness C．a new place D．sleeplessness

A．fitting our actions to those of other people appropriately B．identification of other people' s statuses C．selecting one' s own statuses D．constant mental process

A．special B．attractive C．financial D．peculiar

A．a continuation of our present serious state B．worldwide resources exploitation and energy use C．a movement forward to a new norm to planet research work D．a state where long range planning is essential to us 此题为多项选择题。

A. hesitatingly B. unknowingly C. weakly D. commonly

A．dropped to the ground B．became very successful C．removed its coat D．went away suddenly

A．encourage B．suggest C．boost D．promote

A．the economy has continuously been shrinking B．the development of law schools has been speeding up C．there is a high unemployment rate in legal sector D．there is a contradiction between enrollment and employment

A．It further explains the theory of utilitarianism. B．It forms a contrast to general cases of utilitarianism. C．It acts as the connecting link to bring up the theme. D．It gives an example to explain utilitarianism in particular cases.

A a very small amount. B a large area. C an important system. D a major source of information.

A．enter B．list C．appoint D．buy

A．discuss the problem of handling trash B．suggest ways to cope with traffic problems C．point out the disadvantage of hear traffic D．propose an alternative system of transportation

A．"the nerve's B．"the blood's C．"the eye's D．"the retina's

A．climate is changeable and the pause is common B．climate change is not worth receiving our concern C．climate science is more complicated than you think D．the temperatures in the past 15 years haven"t risen much

A．Waitresses are often treated by customers as casual acquaintances B．Some customers simply show no respect to those who serve them C．Some customers like to make loud complaints for no reason at all D．People absorbed in a phone conversation tend to be absent-minded