日日人人_亚洲美女在线视频_av手机在线播放_国产大片aaa_欧美中文日韩_午夜理伦三级

56. a system of education　

高考詞匯表 (T)

55. synthetic material 合成的

54. symptom癥狀　 symbol　　 sign　 跡象

53. symbol 象征　Dove is the symbol of peace.　　 Dove symbolize peace.

52. survive 幸存　 I survived.　　 I survived the accident.

51. suspect 懷疑　 suspect sb of sth　　 　suspect that

50. survey 調查　 survey population growth　　　 make a survey of

49. surprise　 in surprise　　 much to one’s surprise　 be surprised to do sth/ at /that

48. sure　 be sure to do sth / of sth　　 He is sure to live to 100. make sure 查明，確信　

47. suppose　 假定，認為　Let’s suppose that what you say is true.

supposing that… 如果　 be supposed to do sth　 應該You are supposed to finish it before dinner.