LIFE ON OTHER PLANETS
42. will have improved 43. will have developed
VI. 42. True
43. True 44. False 45. False 46. False
VI. 44. E 45. H
46. G
47. B
48. C
49. A
50. D
51. F
VII.
VII. 52. I 53. F
54. D
55. H
56. A
57. G
58. C
59. J
60. B 61. E