It could be concluded from the passage that the ooma service
A．worked illegally by losing termination fees.
B．improved the efficiency of the phone system.
C．was paid by the ooma customers.
D．covered the ooma traffic by broadband connection.

未分类题To which of the following statements would Mr. Obamas administration most likely agree?A．The cost of manned space program is overestimated by Bush's administration.B．The successor system should be updated and act as a stepping stone to Mars.C．Spending money on satellites travelling around the Earth sounds more realistic.D．America's manned space program has to proceed to explore life possibilities.

未分类题According to the text, which of the following factor in childhood will probably cause an adult to be less fertile?A．Menopause period.B．Infectious disease.C．Vigorous exercise.D．Reproductive hormones.

判断题组织是两个或两个以上的人所组成的协作系统，管理者应在这个系统中处于相互联系的中心，并致力于获得有效协作所必需的协调。()

未分类题In Paragraph 2, Gillian Bentleys research showed us thatA．women staying in Sylhet had a high level of reproductive hormones.B．women born in London were less fertile than those migrates from Sylhet.C．reproduction level of adult women varied in different regions.D．where you spend your childhood might affect the fertility of adult women.

判断题普通话以北京话词汇为词汇规范。()

未分类题Migration here in the experiment isA．a measuring tool.B．a research methodology.C．an independent variable.D．a controlled condition.

判断题民事主体实施一定民事法律行为，就是为了使原有的民事法律关系在内容、客体、主体等方面发生变化。()

未分类题What could be concluded from the research on the menopause of women?A．Environment changes would make a difference of one's reproduction.B．The beginning of menopause symbolized the lessening of hormones.C．The period of menopause demonstrated an adult women's maturation.D．Migrants entered menopause later than those who stayed in their birth place.

未分类题Unlike others, people with slight dark triad personalities are more likely toA．run the risk of being avoided by others.B．be left alone and attacked by predators.C．enjoy a productive and successful sex life.D．ruin the good relationship.

未分类题Gianmarco Ottaviano and Giovanni Peri point out that immigrationA．is immune from negative effects.B．has lead to economic prosperity and social stability.C．has enhanced wages of most American workers.D．will root out illegal documentation of workers.

判断题三十六字母大约反映了先秦时期的声母系统。()

未分类题The plan of creating a new class of 'guest workers'A．has aroused criticism from conservatives, liberals and the business world.B．has allowed immigrants to work in the U.S. for six consecutive years.C．will benefit both businesses and immigrant labor employers.D．will give people a good reason to threat such workers as slaves.

未分类题What is the authors attitude towards guest workers plan?

未分类题Dr Maddux and Dr Galinsky adopted statistical controls toA．filter out the interference factors such as personality traits.B．identify the statistical relationship between personality and creativity.C．analyze the interaction between personality and creativity.D．measure the influence of openness to new experiences on creativity.

未分类题It can be inferred from Paragraph 4 that in Africa and AsiaA．the private sector is the last straw for health services.B．the physical condition of workforce is rather weak.C．some miners might have been infected with AIDS.D．HSBC attracts customers with innovative health schemes.