资源核验
61. trying 62. competition 63. particularly 64. left 65. to find 66 and67.in 68. prizes 69. published 70. whose短文改错71 ... have successful improved... successful- successfully 72.... and their studies .. their→my 73. ...how make...make前加to 74.... in the public.去掉the 75....all kind of...kind→ kinds 76.... have great fun.have→had 77.... point for view...for→of 78.... which have helped... which-→that/who79 without expect anything expectexpecting→ 80.... value knowledge... value→ valuable