第18题: [单项选择]When is the heavy traffic hour on most city streets according to the passage [A] During 9:00 a.m. and 5:00 p.m. from Monday to Friday. [B] Between 8:00 a.m. and 6:00 p.m. from Monday to Friday. [C] In the period of 9:00 a.m. and 5:00 p.m. every day. 参考答案:A 答案解析:[考点] 细节题
[解析] 周一到周五的9:00—5:00最为繁忙。故本题答案为A。