单项选择题
A. He would be sentenced to death. B. He would die in prison. C. He would be fired. D. He would be discriminated.
A. In 1972. B. In 1982. C. In 1753. D. In 1973.
A. It can reduce the number of passenger complaints. B. It can make air travel more entertaining. C. It can cut down the expenses for air travel. D. It can lessen the discomfort caused by air travel.