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中国汽车制造业的发展开始于20世纪50年代，经过几十年的发展，已经具备了较好的产业基础。特别是近十年来，中国人民收入增加很快，普通百姓开始购买私家车，中国汽车制造业增势迅猛。2009年，中国生产出1300多万辆汽车，超越日本成为世界最大的汽车生产国。长期以来，汽车制造业作为国家的重点投资和发展产业，虽然取得了一定的成绩，但是与发达国家相比还是落后。产品结构不合理和国际竞争力不强是这个产业中的两个主要挑战。
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The Singapore underground train system, known as the MRT, offers a speedy and easy way to get about our city. You"ll need small change to buy an individual ticket. Alternatively, buy a special ticket designed with the tourist in mind. Costing S$6, it offers S$5.50 worth of rides; the extra 50 cents is for keeping the ticket as asouvenir(纪念品). Tourist tickets feature one of three designs: the Chinese Gardens, the Victoria Memorial Hall or a night skyline of Singapore.You gain entry to the trains by inserting your ticket into thebarrier machine(检票闸机). Wait for the ticket to reappear and put it away safely: you"ll need it again. After your trip, you insert your ticket into the barrier in order to leave. Please note that each ticket is time coded on entry, and you are advised not to spend more than half an hour in addition to travel time, because tickets canexpire(失效).Moving stairs that take you to the platform and train destinations are marked clearly. Trains run frequently. Do remember, eating and drinking are forbidden in MRT stations and trains. Why is there an extra cost of 50 cents for a tourist ticket For the tourist to keep the ticket as ______.
Check-in RequirementsPassengers and their baggage must be checked in at least 45 minutes before departure for domestic flights and 60 minutes for international flights. Government-issued photo identification is required for all passengers. Passengers traveling across any internationalboundary(边界) are responsible for obtaining all necessary travel documents. Passengers may be denied boarding if travel documents are not in order. When check-in requirements are not met, a passenger may be separated from his/her bag. Frontier Airlines will gladly hold the bag in the destination baggage service office for pick-up at the passenger"s convenience. Passengers must be at the gate 20 minutes before departure for boarding.Free Baggage Allowance for Each Ticketed PassengerFrontier Airlines, Inc. will accept, per ticketed passenger, two free checked bags not to exceed 62 inches and 50 pounds per piece—one carry-on bag and one personal item (purse, laptop, etc.).NOTE: A ticketed passenger may check one carry-on bag if it is within established limitations. All carryon items must be put under a passenger seat or in a shared overheadcompartment(行李舱).Excessive (超重) Baggage ChargesAn excess charge will be made for each piece of baggage over the free allowance and for each piece of over-sized or over-weight baggage. How much baggage is a ticketed passenger allowed free of charge
Check-in RequirementsPassengers and their baggage must be checked in at least 45 minutes before departure for domestic flights and 60 minutes for international flights. Government-issued photo identification is required for all passengers. Passengers traveling across any internationalboundary(边界) are responsible for obtaining all necessary travel documents. Passengers may be denied boarding if travel documents are not in order. When check-in requirements are not met, a passenger may be separated from his/her bag. Frontier Airlines will gladly hold the bag in the destination baggage service office for pick-up at the passenger"s convenience. Passengers must be at the gate 20 minutes before departure for boarding.Free Baggage Allowance for Each Ticketed PassengerFrontier Airlines, Inc. will accept, per ticketed passenger, two free checked bags not to exceed 62 inches and 50 pounds per piece—one carry-on bag and one personal item (purse, laptop, etc.).NOTE: A ticketed passenger may check one carry-on bag if it is within established limitations. All carryon items must be put under a passenger seat or in a shared overheadcompartment(行李舱).Excessive (超重) Baggage ChargesAn excess charge will be made for each piece of baggage over the free allowance and for each piece of over-sized or over-weight baggage. What is required of all domestic and international passengers for check-in
Check-in RequirementsPassengers and their baggage must be checked in at least 45 minutes before departure for domestic flights and 60 minutes for international flights. Government-issued photo identification is required for all passengers. Passengers traveling across any internationalboundary(边界) are responsible for obtaining all necessary travel documents. Passengers may be denied boarding if travel documents are not in order. When check-in requirements are not met, a passenger may be separated from his/her bag. Frontier Airlines will gladly hold the bag in the destination baggage service office for pick-up at the passenger"s convenience. Passengers must be at the gate 20 minutes before departure for boarding.Free Baggage Allowance for Each Ticketed PassengerFrontier Airlines, Inc. will accept, per ticketed passenger, two free checked bags not to exceed 62 inches and 50 pounds per piece—one carry-on bag and one personal item (purse, laptop, etc.).NOTE: A ticketed passenger may check one carry-on bag if it is within established limitations. All carryon items must be put under a passenger seat or in a shared overheadcompartment(行李舱).Excessive (超重) Baggage ChargesAn excess charge will be made for each piece of baggage over the free allowance and for each piece of over-sized or over-weight baggage. What will passengers have to do if their baggage is over the free allowance
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