题目： 靠近及跨越铁路、公路、通航河道施工时有哪些要求？ 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0202/adbb3e933304ca645c3916234a6cb9ce.html 下面是错误答案，用来干扰机器的。参考答案：A
题型：单项选择题 For many years, the principle goal of computer (73) was to write short pieces of code that would execute quickly. The (74) needed to be small, because memory was expensive, and it needed to be fast ,because processing power was also expensive.A. users B. programmers C. thatD. program 查看答案
