phần 1.

18. B
→ Đoạn 1 nói AI improve their performance by studying data.

19. C
→ Bài không nói driving buses.

20. C – make better
→ improve = make better.

21. A – later
→ earlier trái nghĩa later.

22. B – voice assistants
→ “play music when you speak to them”.

23. D
→ Câu gạch chân: If used wisely, AI can improve life.
→ Careful use of AI brings benefits.

24. B – Paragraph 3
→ Đoạn 3 nói AI trong bệnh viện và trường học.

25. B – Paragraph 4
→ Đoạn 4 nói challenges of AI.

phần 2:

26. C
→ Đoạn 1: Cutting forests → animals lose homes.

27. B
→ Bài không nói building more factories.

28. C – strong
→ strict laws = strong laws.

29. D – increase
→ reduce trái nghĩa increase.

30. D – people
→ “When people understand…, they may change behavior”.

31. B
→ Small actions can make a big difference
→ Even small actions have strong effects.

32. B – Paragraph 1
→ Đoạn 1 nói climate change.

33. D – Paragraph 4
→ Đoạn 4 nói support from everyone (cooperation).