一号线地铁列车广播系统具有哪些功能?
参考答案:
司机室对讲,乘客紧急对讲,自动广播,人工广播,列车乘客信息显示等功能。
中国土木结构的建筑历程分为雏形期、发展期、成熟期和总结期,其中成熟期的时段是()。
A、秦—汉
B、汉—魏
C、隋—宋
D、元—清
Directions:
Write an essay of around 200 words entitled "Most Appreciated Gifts. " In your essay, you should interpret the picture and discuss ways of showing affection for different occasions, and then give your comment on sending hand-written letters.