镇江市2018届高三年级第一次模拟考试英语试题答案：

　　1. C　2. C　3. A　4. B　5. A　6. B　7. A　8. C 9. C　10. B　11. B　12. A　13. C　14. A　15. C 16. A　17. B　18. B　19. C　20. C　21. A　22. D　23. C　24. A　25. C　26. B　27. C　28. B　29. A　30. D　31. D　32. B　33. C　34. A　35. D　36. B　37. C　38. D　39. D　40. A　41. C　42. A　43. B　44. A　45. D　46. A　47. B　48. C　49. B　50. C　51. A　52. C　53. B　54. B　55. D　56. D　57. D　58. A　59. A　60. B　61. B　62. D　63. C　64. C　65. A　66. D　67. C　68. B　69. D　71. C

　　71. less　72. lower/reduce/decrease/lessen

　　73. anxious/worried/concerned　74. discovery

　　75. popularity　76. number　77. conclusion

　　78. larger/new/wider　79. Ungrateful　80. ensure

　　One possible version：

　　The sales of instant noodles have declined sharply, which can be attributed to several factors, the decrease in migrant population being the chief one. However, the instant noodle industry is striving to revive.

　　Such factors can be summarized as follows. Firstly, the migrant population consuming instant noodles is becoming smaller and the consumption of noodles falls accordingly. Secondly, the railway networks grow rapidly, shortening people's time on trains and making it unnecessary for them to have instant noodles. Last but not least, food delivery is springing up, which allows people to order online whatever they want in no time.

　　From my perspective, the instant noodles industry is unlikely to be restored to its former glory. For one thing, with instant noodles considered junk food, people attach more importance to life quality and tend to choose healthier food. For another, the food delivery boom brings people much convenience and satisfies their diverse needs for diets. 
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