【主题词汇过关】

1. stomachache 2. toothache 3. sore throat 4. fever 5. injury 6. first aid
7. virus 8. X-ray 9. allergy 10. knife 11. environment 12. test 13. flu
14. medicine 15. mask 16. illness 17. safety 18. suffer 19. hit 20. burn
21. bleed 22. press 23. lie down 24. check 25. clear 26. prevent 27. treat
28. sore 29. painful 30. careless 31. harmful 32. allergic 33. runny 34. happily
35. quickly 36. tonight 37. sadly 38. luckily 39. unluckily 40. themselves
41. ourselves 42. towards