题目

—What do you think of my article, professor?—The former part is well written but _____ part is just so. A . the later B . the last C . the latest D . the latter 答案：D如图，是公路旁的交通标志牌，我们从牌上可以看出，此处到收费站的距离为    km；如果不违反交通规则，从现在起，到达收费站的时间至少需要    min．