精选优质文档-倾情为你奉上目录Unit1 Text A Mr. Doherty Builds His Dream Life 1Unit1 Text B American Family Life: The Changing Picture4Unit2 Text A The Freedom Givers10Unit3 Text A The Land of the Lock14Unit3 Text B Why I Bought A Gun16Unit4 Text A Was Einstein a Space Alien? 21Unit5 Text A Writing Three Thank-You Letters 25Unit6 Text A The Last Leaf28Unit7 Text A Life of a Salesman33Unit7 Text B Bricklayers Boy 41Unit8 Text A Human Cloning: A Scientists Story47Unit8 Text B Secon
