For many years American colleges and universities have prepared the nation’s teachers. Those __71__ want to teach must study special subjects toward that goal. They work in public schools while being supervised __72__ other teachers. They take state examinations. __73__ they succeed, they are officially certified or approved to __74__ public school teachers. The Bush Administration now __75__ a new organization that seeks to expand certification. This group is __76__ the American Board for Certification of Teacher Excellence. It says its new system will __77__ good non-traditional teachers be certified if they __78__ its requirements. The Department of Education __79__ the board last year. The goal is to __80__ barriers ( 障碍 ) to getting more good teachers. __81__ just a few years, American public schools will be educating three-million __82__ children. Recent college graduates can be considered __83__ the new program. So can people in other jobs who __84__ to become teacher. Others are retired people and currently uncertified public school teachers. __ 85__ others are teachers working in __86__ and special schools who seek official __87__ of their skills. A number of long-established education groups object __88__ the new system. They say it will devalue ( 贬低 ) the skills of teachers certified __89__ the current system. Critics of the new system say teachers certified may lack important classroom __90__. 71. A) what B) who C) which D) as 72. A) to B) at C) for D) by 73. A) If B) Since C) Unless D) So 74. A) work B) offer C) be D) make 75. A) settles B) changes C) takes D) supports 76. A) called B) said C) termed D) formed 77. A) force B) charge C) let D) set 78. A) afford B) meet C) challenge D) choose 79. A) innovated B) raised C) held D) established 80 .A) remove B) lift C) create D) omit 81. A) At B) In C) By D) On 82. A) much B) most C) more D) many 83. A) to B) into C) for D) along 84. A) happen B) want C) ask D) enable 85. A) Even B) Ever C) Still D) Hardly 86. A) individual B) personal C) self-owned D) private 87. A) recognition B) knowledge C) admission D) allowance 88. A) for B) against C) on D) to 89. A) below B) with C) under D) after 90. A) techniques B) skills C) technology D) expert