Q1: Yes, I do.

Q2: I sometimes shop online once or twice a month.

Q3: I usually keep in touch with friends by using social media platforms or messaging apps such as Instagram, Messenger or Zalo.

Q4: Yes, of course. Excessive use of mobile phones is harmful to my eyes.

Q5: No, I don't think so. Because robots cannot understand students’ emotions. First, they cannot build strong relationships with their students. Second, robots cannot solve conflicts between students because they lack real-life experience and emotional understanding. In short, I believe that the role of teachers remains important, and they cannot be replaced by robots.

Trao đổi khí là quá trình lấy O₂ hoặc CO₂ từ môi trường và thải ra ngoài môi trường khí CO₂ hoặc O₂.

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