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从你抵达我们国家的那一刻开始，你就务必要小心那些职业扒手。现在我教你如何保护自己。女士们携带的提包如果背在前面，扒手就很......

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A． Men in the countryside wear Sarongs only when relaxing at home.B． People who have office jobs in downtown Colombo will wear Sarong at weekends.C． In the city, only the Politicians will wear traditional dress.D． Politician will wear Sarong only for important or formal occasions.
A． Men in the countryside wear Sarongs only when relaxing at home.
B． People who have office jobs in downtown Colombo will wear Sarong at weekends.
C． In the city, only the Politicians will wear traditional dress.
D． Politician will wear Sarong only for important or formal occasions.
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随着人口的增长，生活水平的提高，交通运输条件的改善，人们闲暇时间的增多以及其他一些因素，旅游业将会继续发展壮大。据世界旅游组织预测，在未来20年里，世界旅游人数将会是现在的三倍。到2020年，将会有16亿的旅游者出国旅游，这将会给旅游热点地区的自然、文化、社会经济环境带来更大的压力。因此，必须进一步加大力度，对旅游业可持续发展进行研究。[听力原文]Tourism is expected to grow continuously in the future owing to population growth, improved living standards, advancement of transportation systems, increasing free time and other factors. According to forecasts by the World Tourism Organization, international tourist arrivals are likely to almost triple over the next two decades, with nearly 1.6 billion tourists visiting foreign countries by the year 2020. This will further increase the pressure on the natural, cultural and socio-economic environments of popular destinations. More intensified efforts to address sustainability in tourism development are required.
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