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阅读理解 From: terri @ wombat. Com. Au To: (happylizijun) @ yaboo. com. cn Subject: My schoolHi, Li Zijun, Thanks very much for your email. I really enjoyed reading it. I think we have a lot in common. I wonder if our school life is similar too. I go to a big high school in Sydney called Maylands High School. There are about 1000 students and 80 teachers. My class has 25 students in it, which is normal for a Year 11 class. In the junior school there are about 30 students in a class. In the senior high school we have lots of subjects to choose from, like maths, physics, chemistry, biology, 阅读下列图片，回答问题：材料一：材料二：（1）材料一的图二与图一相比较，丝绸之路的起点城市发生了什么变化？这些城市开始成为起点与它们曾是哪些王朝的都城密切相关？（2）观察材料二的三幅图，概括指出古代洛阳在丝绸之路上有着怎样的国际地位？（3）在材料二中任选一幅图片，说说图片内容的历史价值。