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题库 / Prep2007E1-SC-11
Japanese researchers are producing a series of robots that can identify human facial expressions, to which they will then respond; their goal is primarily creating a robot that will empathize with us.
expressions, to which they will then respond; their goal is primarily creating
expressions, then responding to them; primarily to create
expressions and then respond to them; the researchers' primary goal is to create
expressions as well as giving a response to them; their primary goal is creation of
expressions and responding to them; primarily, the researchers' goal is creating
还没有题目讲解（毕出老师会陆续发布对官方考题的解读，请保持关注）。
what is wrong with option A. Is there a problem with a pronoun "They" . It can refer to robots as well as researchers....
they their 逻辑上指代对象不同
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