第一节 完形填空 From childhood to old age, we all use language as a means of broadening our knowledge of ourselves and the world about us. When humans first 1 , they were like newborn children, unable to use this 2 tool. Yet once language developed, the possibilities for humans future 3 and cultural growth increased. 1. A. generated B. evolved C. bore D. originated 2. A. convenient B. appropriate C. valuable D. favorite 3. A. achievements B. flexibilities C. entertainments D. evolutionsMany linguists b
