索引文件组织方式的随机查找速度比顺序文件组织方式为（），比直接文件组织方式要（）
参考答案：快，慢
某远离海洋的内地山区，婴幼儿出现生长发育迟缓，智力低卞或痴呆
若诊断为克汀病。其患病因素是
A．孕妇、乳母缺碘
B．婴幼儿本身缺碘
C．父母亲缺碘
D．母亲缺碘
E．父亲缺碘
The experts in grammar analysis and translation approach believed that the mind of human beings could be trained by logical ______ of the classic language, memorization of complicated rules, and translation between languages.
