How long will you be staying in the United States? A、Here it is. B、On business. C、I plan to stay for about 10 days. D、I have 800 dollars. 在线练习 你可能感兴趣的试题 单项选择题 在一个学生数据库中,字段"学号"不应该是___。 A. 数字型...
In cities where there are enough cheap taxis, many people can completely do without cars. When you add up all the costs of having a car (parking, insurance, fuel, taxes ...), it's much cheaper to use taxis + mass transit. Since the taxi price is a per car basis, there's always...
Bo Christiansen and Fredrick Ljungqvist’s reconstruction of the past 2,000 years (Christiansen & Ljungqvist, 2012) is also important. As discussed in the previous post, they avoid spatial regression in their reconstruction to preserve as much climatic variability as possible. Their reconstruction is ...