第22题: [多项选择]公路运输的缺点主要有()。 A. 长途运输无优势 B. 油耗高 C. 事故多 D. 灵活性差 参考答案:A, B, C
第23题: [简答题]From the historical development of foreign language teaching in China, what is the main method used in each period 参考答案: 答案解析:The main FLT methods used in each period in China are:
(1) The main method used at the turn of th