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(单选题)What do the last two paragraphs mainly talk about? (单选题)What does the underlined word “prevalent” in Paragraph 5 mea (单选题)Why will facial recognition be used in Olympic Games? (单选题)What can be the best title for the article? (单选题)What do Nicola Beynon and Justin Field have in common? (单选题)What is the main idea of paragraph 4? (单选题)Which of the following do researchers focus on? (单选题)What is the author’s purpose in writing the text? (单选题)What’s the couple’s attitude towards the hardships in their (单选题)What can we conclude about the family from the article?