The research at the University of Wisconsin is mentioned to show ______.

(单选题)When Jack called the couple elderly they became ______. (单选题)Jack brought the couple their food very fast because ______. (单选题)What conclusion can you draw from the story? (单选题)Both the doctor and the lawyer in this passage are ______. (单选题)The word "charge" in the third paragraph means (单选题)A good lawyer is important for the writer to ______. (单选题)The author’s roommate offered to help him because ______. (单选题)The passage is probably followed by a concluding paragraph a (单选题)We can infer from the passage that Fitzgerald (单选题)Which of the following is the correct order to describe Fitz