21-23 DCA 24-27 BACB 28-31 CABD 32-35 ACDD 36-40 BCFEG
41-45 CABDA 46-50 ABCAB 51-55 DCADB 56-60 CDBCD
61. educated 62. development 63. its 64. until 65. the 66. of 67. visiting 68. financial 69. Activities 70. to have
提升4
七选五 36. E 37. F 38. D 39. C 40. B
完型：41. D 42. A 43. C 44. D 45. C 46. B 47. B 48. D 49. B 50. D 51. C 52. A 53. A 54. C 55. B
语填一、56. spent 57. is found 58. noticeable 59. strengths 60. meaning 61. To boost 62. an 63. when 64. to 65. themselves
语填二、56.has reveled 57.an 58.between 59.contains 60.published 61.adding 62.that 63.be measured 64.nutrients 65.protective