A.origin B.communicate with C.written down D.learn A. the more we read and【T13】______ B. which could be【T14】______ C. the【T15】______ of language is a mystery D. they could【T16】______ each other How men first learnt to invent words is unknown; in other words,【T17】______ . All we really know is that men, unlike animals, somehow invented certain sound to express thoughts and feelings, actions and things, so that【T18】______ ; and that later they agreed upon certain signs, called letters, which could be combined to represent those sounds, and 【T19】______ . Those sounds, whether spoken or written in letters, we call words. The power of words, then, lies in their associations—the things they bring up before our minds. Words become filled with meaning for us by experience; and the longer we live, the more certain words recall to us the glad and sad events of our past; and 【T20】______, the more the number of words that mean something to us increases.
单选题 【T13】
【正确答案】 D
【答案解析】解析：根据空格前的and可知，所填词语与动词read并列，词性应该相同，意义上有联系，所以选learn。
单选题 【T14】
【正确答案】 C
【答案解析】解析：空格所填词语用于被动语态，应该选一过去分词，所以选written down。
单选题 【T15】
【正确答案】 A
【答案解析】解析：空格前是定冠词the，空格后是of，此处需填入一名词，所以选origin。
单选题 【T16】
【正确答案】 B
【答案解析】解析：根据空格后的each other可知，选communicate with。
单选题 【T17】
【正确答案】 C
【答案解析】解析：根据空格前的“in other words”可知，空格处内容是“in other words”前内容“人类最开始时是如何学会创造词语的尚未可知”的同义转换，所以选C。
单选题 【T18】
【正确答案】 D
【答案解析】解析：根据空格前的“so that”可知，空格处内容是“so that”前内容“我们仅仅知道人类，不像动物，想法创造了某个音来表达思想感情、行为和事物”的结果，所以选D。
单选题 【T19】
【正确答案】 B
【答案解析】解析：根据空格前的and可知，空格处内容与前面内容是并列关系，前面出现了which句型，所以选B。
单选题 【T20】
【正确答案】 A
【答案解析】解析：此处考查“the more…the more…”句型，所以选A。