问题
判断题
无套利区间的上下界幅宽主要是由交易费用和市场冲击成本这两项所决定的。 ( )
答案
参考答案：对
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无套利区间的上下界幅宽主要是由交易费用和市场冲击成本这两项所决定的。 ( )
参考答案：对
| 完形填空。 | ||||
| Yang Liwei was born in an ordinary family in Liaoning Province in 1965. he became a pilot (飞行员) of the Chinese Air Force in 1987. It 1 him five years to become a spaceman. Yang Liwei was 2 into space by China's Shenzhou Ⅴ spacecraft at 9 a.m. 3 October 15th, 2003. It moved around the 4 fourteen times. He came back 5 at 6:23 a.m. The next day, making China the 6 country to successfully send a person into space after the former Soviet Union (前苏联) 7 the USA. Yang Liwei returned to the earth after a 8 trip to space. In space, Yang not only recorded 9 he saw but also showed China's national flag and the United Nation's flag to the people who watch on TV at home. All of the Chinese people are 10 our first spaceman-Yang Liwei. | ||||
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