阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为16—25的相应位置上。 although it could not compete with the speed of email today, the 1800’s experienced a revolution in communication that played an important role in creating the tradition of the chr
