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    A new study from the Georgia Institute of Technology finds that older and younger people have a varying preference for what they would want a personal robot to look like. And they change their minds based on what the robot is supposed to do.

    Participants were shown a series of photos, either robotic, human or mixed human-robot faces, and were asked to select the one that they would prefer for their robot's appearance. Most college-aged adults in the study preferred a robotic appearance, although the others were also generally open to them. However, nearly 60 percent of older adults said they would want a robot with a human face, and only 6 percent of them chose one with a mixed human-robot appearance.

    "We found that participants, both younger and older, will assign emotional traits to a robot based on its face, which will determine what they are most comfortably interacting with," Akanksha Prakash, a psychology graduate student at Georgia Tech who led the study, said in a statement. So when participants were told the robot was helping with personal care, chores, social interaction or helping to make decisions, something interesting happened.

    Preference was less strong for helping with chores, although the majority of older and younger participants chose a robot with a robotic face. But for decision-making tasks, such as getting advice on where to invest money, younger participants tended to select a mixed human-robot appearance. A robotic face was their least favored choice for this task. Older adults generally preferred a human face. Personal care tasks such as bathing caused the most divisive preferences within both age groups. Those who chose a human face did so because they associated the robot with human-like care capabilities — such as nursing — and trustworthy traits. Many others didn't want anything looking like a human to bathe them due to the private nature of the task.

    Based on this early research, the researcher says that if a robot is designed to help only with a specific task, its appearance should fit in with the task. For instance, if the robot is designed to specifically assist the user with critical decisions, the robot should be given an intelligent look instead of a funny one. However, if the robot is tasked with a variety of jobs in the home, allowing for appearance customizability(可定制性) might be the best option.

    The researcher next plans to expand the study to other age groups and people with more diverse educational backgrounds.

1. （1） What does the underlined word "them" in Paragraph 2 refer to?

   A . college-aged adults B . all participants C . older adults D . younger participants
3. （2） What happened when participants were offered robots handling different tasks?

   A . They tended to choose one with a human face. B . They didn't care about robotic appearance any more. C . They were into one with decision-making skills most. D . Their preference for robotic appearance changed accordingly.
5. （3） Which robots lead to the biggest gap in people's preference for robotic appearance?

   A . Those with personal care skills. B . Those with decision-making skills. C . Those with housekeeping skills. D . Those with social interaction skills.
7. （4） What's the best title of the passage?

   A . Deciding what robots suit you best contains many tricks B . Determining what robots should look like varies with age C . How robots with a human face benefit people? D . Why people have a preference for robots?