Which is true according to the passage?

A . Text messages have allowed children to learn and feel empathy. B . Cell phones have made children‘s life at school colorful and exciting. C . Experiencing loneliness or sadness is as beneficial as enjoying happiness. D . Cell phones may offer people the quickest way to find someone to talk to.

A . A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver B . A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft C . A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishing D . A vessel engaged in fishing while underway shall，so far as possible，keep out of the way of a vessel restricted in her ability to maneuver

A．Chronic diseases are complex genetic puzzles to scientists. B．How exceptional longevity-related genes function is known. C．Most centenarians have exceptional longevity-related genes. D．The integration of genes and environmental factors is important.

A．The Net allows users to choose their information and to communicate with others. B．Internet communication may be less psychologically satisfying than actual conversation. C．Undeveloped Internet technology causes the drop in psychological health. D．The wider world through the Net makes users less satisfied with their lives.

A．Mr. Johnson's car stood on its boot as it fell down. B．Mr. Johnson could not escape from the door because it was full of sweet jam. C．Mr. Johnson's car accident was partly due to the slippery road. D．Mr. Johnson struggled in the pouring mud as he unscrewed the back seat.

A．Mr. Lydn was fired by the Gulf Oil Corp. B．Mr. Lydn was an oil-refining engineer in his former company. C．Mr. Washington is in charge of recruiting the new members. D．Joe Smith is a friend of Mr. Washington.

A．The woman is a professional woman. B．The Tai girl cannot cook. C．The man gets quite a few applicants on hands. D．The girl is to the liking of the woman.

A．People have become used to crimes now. B．With a TV set some problems can be solved quickly. C．People now like to read books with pictures. D．The adults are less violent than the young.

A.High-power alpha males in primate hierarchies have high testosterone and low cortisol. B.Powerful and effective leaders have high testosterone and low cortisol. C.Power has nothing about how you react to stress. D.Body can shape the mind, at least at the facial level.

A.Nervousness is intimately related to underperforming. B.When people are nervous, they tend to focus on themselves, what they’re saying, how they’re responding. C.Being nervous is normal and it’s ok to dismiss your jitters sometimes. D.Anxiety can be a blocker that stops you from listening, or makes you miss something vital your interviewer just asked.

A.If you have only one acceptable outcome in mind, your chances of making it are slim. B.When confronted by problems, entrepreneurs rise to the occasion. Challenges motivate them to work harder. C.Entrepreneurs are always accepted. D.Many people recognize marketplace holes, but the true entrepreneur takes them from cocktail napkin to reality

A．The single biggest food provider was, however, not named after its founder. B．The international cuisine as the Big Mac, a beef hamburger, is provided every chain restaurant in the world. C．Employees in McDonald's have no time to lean. D．The symbol Ronald McDonald, means fun in any language, is said to be the world's most recognized person after Santa Claus.

A．The other families might not even know a family that lived close by in the past. B．We live in an age of machines when machines can do everything. C．Neighboring is not as common as it used to be. D．Everyone shared the same problem -- power is not enough for daily use.

A．Procrastination is a disease of the mind. B．Procrastination is likely to cause a great discomfort and suffering. C．Procrastination is not considered as a psychological problem but moral issue. D．Dr. Jerome Murray provides some ways to get rid of procrastination.

A．Nowadays, scientists pictured the circulation of ocean's water mass as consisting of large slow-moving currents. B．Before 1965 ,the concept of scientists produced only a rough approximation of the true circulation. C．Researchers began to do research on the developed techniques and equipment. D．These instruments disclosed an expected level of variability in the deep ocean.

A．If you have a headache, you can eat more painkillers B．If you are 10 years old, you can eat cough medicine C．You can't eat vitamin supplements if you don't have meal D．You can eat the medicine with meals except the cough medicine

A．The first supermarket was opened only half a century ago B．A supermarket is different from other kinds of stores in two ways C．The first supermarket was opened in New York D．Today supermarkets are found almost every big city