This robot is supposed to save a lot of labor, but it remains a problem if it ______.

(单选题)According to the text, why was it easier to find host famili (单选题)What should be the best title for the text? (单选题)According to Drkyriazis, which of the following may be “good (单选题)What does the underlined word “it” in Paragraph 3 refer to? (单选题)What is Dr Kyriazis’ opinion probably based on? (单选题)From the passage, we learn that the author ______ comparison (单选题)The author presents the phenomenon of the comparison by ____ (单选题)According to the author, why would people like to post wonde (单选题)When do we start ourselves with others? (单选题)30.（ ）