people will set up factories and business centers in the west once and for all.And they'll trade with Central Asian and Eastern European countries.

　　1．unrealistic adj.　　 不现实的，不切实际的

　　2．negotiate vi.&vt. 谈判，协商

　　3．zip vi. 疾行前往

　　4．technical adj. 技术的，技术上的

　　5．definitely adv. 确切地，肯定地

　　6．migrate vi. 迁徙，移居

　　1．What benefits do you think the high­speed railway system can bring us?

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　　2．Are there any problems in the railway network? Please make a list.

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　　【答案】　1.It can create more opportunities for business, tourism，and make better communication and so on.　2.There are some technical challenges to overcome, such as safety, rail gauge, maintenance of railway tracks.