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 (61) , they were like newborn
children, unable to use this (62) tool. Yet once language
developed, the possibilities for human kind’s future (63)
and cultural growth increased. Many linguists believe that evolution is (64) for our ability to produce and use language. They (65) that our highly evolved brain provides us (66) an innate language abilit A. essential B. available C. reliable D. responsible 更多"Part Ⅳ ClozeDirections: In this par"的相关试题: [单项选择]Part Ⅳ Cloze Directions: In this part, there is a passage with 15 blanks. For each blank, there are 4 choices marked A, B, C and D. Choose the best answer for each blank and mark the corresponding letter with a single bar across the square brackets on your machine-scoring ANSWER SHEET.
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