答案 I.1B2.B3.B4.A5.B6.B7.D8.C9.D10.B Ⅱ.11.B12.D13.D14.A15.C16.A17.C18.B19.A20.C ⅢI21.B22.C23.B24.A25.A IV 26. past 27 healthy 28. medicine 29. as 30. on 3 1. exercise 32.less 33. pollution 34. live 35. isn't V One ble version Changes in our life With the rapid development of China,'s economy, great changes have taken place in our life in the past few years. In my home town, many paths have been turned into wide roads. As a result, it is easier for us to travel. People used to walk or ride bikes to work, but now they often take buses and many even drive their own cars. In schools, students sit in new teaching buildings instead of old houses. There they not only learn from books but also through computers I hope we will live a better life in the future. I will study much harder now so that I can realise my dream答案 Ⅰ.1.B 2．B 3．B 4．A 5．B 6.B 7．D 8．C 9．D 10．B Ⅱ.11．B 12．D 13．D 14．A 15．C 16．A 17．C 18．B 19．A 20．C Ⅲ.21．B 22．C 23．B 24．A 25．A Ⅳ.26.past 27.healthy 28.medicine 29．as 30.on 31.exercise 32.less 33．pollution 34.live 35.isn't Ⅴ.One possible version： Changes in our life With the rapid development of China's economy, great changes have taken place in our life in the past few years. In my home town, many paths have been turned into wide roads. As a result, it is easier for us to travel. People used to walk or ride bikes to work, but now they often take buses and many even drive their own cars. In schools, students sit in new teaching buildings instead of old houses. There they not only learn from books but also through computers. I hope we will live a better life in the future. I will study much harder now so that I can realise my dream