Hãy trình bày phản xạ điều hòa hoạt động của tin và hệ mạch trong các trường hợp sau 1. Lúc huyết áp tăng cao 2. Lúc hoạt động lao động

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I. Complete the following conversation. Mai: Who’s that near the window? Minh: That’s my brother, Hung. Mai: (1)…………………………………….. in his free time? Minh: He often plays sports. Sometimes he listens to music or plays games. Mai: (2)…………………………………………………………………….. Minh: He usually plays football and badminton. Mai: (3)…………………………………………………………………….. Minh: No, he never plays volleyball. Mai: (4)…………………………………………………………………….. Minh: He plays badminton every afternoon. Mai: (5)…………………………………………………………………….. Minh: He’s playing computer games in his room. II. Write a mail (80-100 words) to your friend to tell him/her about the latest sports event in your school. You can base on some suggestions below: - What was the sports event? - When was it? - Who joined it? - What happened? - How did you feel about that? Dear ........................, ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... Love, ...........................(Your signature)