The difference of stress-response behaviors between men and women is partially caused by
A．the nature of both sexes
B．the different social networks
C．the secretion of certain hormones
D．the connection to nervous system

未分类题According to the passage, which of the following is one of the 'tend-and-befriend' behaviors?A．Quarrel with other family members.B．Travel alone to other countries.C．Give a hand to other people.D．Care about the children.

未分类题Which of the following leads to more hostile and aggressive behaviors?

未分类题The word 'base'(line 5, para. 2)most probably means '______'.A．basicB．ignobleC．honorableD．strange

未分类题The author believes that new government regulations______.A．may improve handling of livestockB．may help control the spread of Mad Cow DiseaseC．may hurt the economy by eliminating small farmersD．may make food even less safe

未分类题According to the study, failing to deal with inequality in the workplace______.A．is a waste of resourcesB．could lead to a glass ceilingC．could affect political stabilityD．could stimulate economic growth

未分类题The wind turbine serves as an example of______.A．adaptationB．complementC．mitigationD．safeguard

未分类题The author argues that, given the conditions on factory farms,______.A．we should all be outragedB．it's no wonder that disease is commonC．the government should institute new regulationsD．Mad Cow Disease may never be fully controlled

未分类题The picture of the reading ability of high school seniors drawn by the author is______.A．extremely impressiveB．very encouragingC．mediocre at bestD．rather bleak

未分类题The author suggests that the situation could be improved if______.A．schools provided separate classes for advanced and lower-level studentsB．parents would play a more prominent role in their children's educationC．schools would expect the same effort from poor-performing readers as from proficient readersD．more attention was paid to the test results

未分类题According to the author, communication begins______.A．with nonverbal interactionsB．two hundred thousand years agoC．between mother and childD．with words

未分类题The underlined word in Paragraph 4 refers to______.A．lucidB．vagueC．reasonableD．persuasive

未分类题By mentioning obesity epidemic, the author intends to______.A．state the seriousness of this problemB．prove the influence of Lamarck's theory on people's healthC．demonstrate experts still cannot figure out the reason for itD．explain the genetic cause that lies in it

未分类题The authors purpose in writing this text is to argue that______.A．the circulation of atmosphere protects the biosphere and makes life on earth possibleB．if the protective atmosphere is too damaged by human activity, all life will ceaseC．life is the result of complex interdependent events of natureD．despite the complexity and power of the atmosphere humans can affect it greatly

未分类题In paragraph 4, the word 'dog' is most similar in use to '______'.A．be addressed byB．troubleC．be associated withD．characterize

未分类题The long-term useful outcomes of the crash include______.A．increased consumer confidence in the marketplaceB．improved measures to protect investors from fraudC．clearer knowledge of the future of the marketD．improvement in the management of global businesses