题目

任务型阅读。 阅读下文并回答问题。     I'm here today to share a good lesson with you. It is a true story about a student who studied in Germany. After years of hard work, this student graduated with amazing achievements. Everyone was sure that he was going to get a good job easily and have a bright future. But to his surprise, he was not even given the chance for an interview! The third time he was refused, he couldn't help telephoning the company to ask why they didn't want him. The answer was simple. “We don't offer jobs to dishonest people in Germany.” What 嫦娥一号卫星的微波探测仪可探测“月壤”发出的频率3.0GHz、7.8GHz、19.35GHz和37.0GHz的微波辐射．下列说法正确的是（ ）A．微波属于电磁波B．微波是可见光C．这四种微波在真空中波长一样D．这四种微波在真空中传播速度不同