2020普陀区英语一模听力原文

① （2013普陀区一模）三棱锥S-ABC中，E、F、G、H分别为SA、AC、BC、SB的中点，则截面EFGH将三棱锥S-ABC分

解：如图源连接HC，HE，HA，AG，因为三棱锥S-ABC中，E、F、G、H分别为SA、AC、BC、SB的中点，
由同底面积等高体积相等，
∴V_H-AGF=V_H-GFC，V_G-ABH=V_C-SHE，V_C-HEF=V_A-HEF，
V_H-AGF+V_G-ABH+V_A-HEF=V_H-GFC+V_C-SHE+V_C-HEF，
截面EFGH将三棱锥S-ABC分成两部分的体积之比为1：1，
故答案为：1：1．

② 2016普陀区中考一模英语作文 去英国游学选择怎样的住家

Night studying the details of the trip,a look at the map,an island,a famous city.see the city,of former geography textbooks and the novels of dickens.in england except two days of work,there are seven days of time in britain,how to arrange the seven days?london to oxford and cambridge,i will go to the list.edinburgh,manchester and liverpool feel nottingham,the ritz,birmingham,at newcastle,

③ 2012年普陀区英语初三一模答案。

Part 1 I. 1. D 2. G 3. A 4. B 5. C 6. E 7. C 8. B 9. A 10. D 11. A 12. C 13. C 14. B 15. D 16. D 17. T 18. T 19. F 20. F 21. T 22. F 23. F 24. basketball 25. favourite 26. 1995 27. hobby 28. share 29. twenty/20 30. spare Part 2 II.31. C 32. A 33. D 34.C 35.B 36. C 37. B 38. D 39. A 40. A 41. B 42. C 43. B 44. A 45. D 46. A 47. B 48. C 49. A 50. D III.51. D 52. H 53. E 54. I 55. B 56. F 57. A 58. C IV.59. watches 60. themselves 61. third 62. forgetful 63. safely 64. long 65. operate 66. speech V. 67. didn't, put 68. How often 69. How well 70. Both, and 71.I think 72. were moved 73. if/whether, likes Part 3 VI.74. B 75. D 76. A .77. C 78. D 79. B 80. B 81. C 82. A 83. D 84. A 85. C 86. obey 87. alone 88. provide 89. Behind 90. relationship 91. Everyone/Everybody 92. deeper 93. No./No, she didn't. 94. Two/2. 95. Because they had to sell Tara at the end of the journey. 96. Yes, she does. 97. To the national park. 98. Exciting but a bit hard. (Any possible answer is acceptable. ) VII.99.

④ 2011普陀区高三英语一模答案

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1. We should reserve airline tickets and hotel rooms before we travel.
2. As you know, our shop specializes in electronic games for children in this area.