If a little human-like robot begged you not to shut it off，would you show sympathy？
    In an experiment （1）

intended

intended

（intend） to find out how people treat robots when they act like humans，many participants struggled to power down a begging robot named Nao.（2）

The

The

experiment was conducted by researchers in Germany，whose findings （3）

were published

were published

（publish）in the scientific journal PLOS ONE.
    The robot Nao，（4）

which

which

was designed to beg about half of the participants not to switch it off but not the other half，was used （5）

to measure

to measure

（measure）if his begging affected how people reacted.
    In one previous experiment，researchers found that people preferred communicating with robots with complementary（互補(bǔ)的） personality characteristics to their own.And since robots can exhibit social characteristics either（6）

speaking

speaking

（speak）with human voices or taking the shape of a human body，the research（7）

suggests

suggests

（suggest）that people tend to react "（8）

especially

especially

（especial） social to them."
    The researchers said a possible （9）

explanation

explanation

（explain）for their results was that people regarded Nao's begging （10）

as

as

"a sign of making its own decision".