小题狂练17：21. B 22. C 23. B 24. A 25. D 26. D 27. A 28. A 29. C 30. A 31. B 32. C 33. C 34. D 35. B
36. have found 37. known 38. at 39. dizziness 40. who 41. a 42. progressively 43. are advised 44. beneficial 45. leading
1. be admitted to 被…收治 2.be presented with her diploma被颁发毕业证书 3.set out 摆放，陈列 4. at a…speed/pace/rate 以…速度 5. dizzy-dizziness n.头晕目眩 6. progressive 进步的；逐步的 7. keep colds at bay 预防感冒
小题狂练18：21. B 22. B 23. A 24. B 25. C 26. D 27. B 28. D 29. A 30. B 31. A 32. D 33. C 34. A 35. A
36. unearthed 37. currently 38. and 39. formation 40. which 41. functions 42. from 43. dates 44. noting 45. to understand
1. correspond to/with…与…一致 2. recently unearthed cultural relics 最新出土的文物 3. form-formation 形成 4. transform the world 改变世界 5.be worth doing 值得做…（主动表被动）6. witness sb. doing sth. 看到某人正在做某事 7. resolve to do sth. 决心做某事
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